[Core] [66% incumbents] Operate or tend stationary engines, boilers, and auxiliary equipment, such as pumps, compressors, or air-conditioning equipment, to supply and maintain steam or heat for buildings, marine vessels, or pneumatic tools.
  DWAs: Operate pumping systems or equipment. | Operate energy production equipment.

[Core] [66% incumbents] Maintain daily logs of operation, maintenance, and safety activities, including test results, instrument readings, and details of equipment malfunctions and maintenance work.
  DWAs: Record operational or production data.

[Core] [66% incumbents] Receive instructions from steam engineers regarding steam plant and air compressor operations.
  DWAs: Exchange information with colleagues.

[Core] [65% incumbents] Monitor boiler water, chemical, and fuel levels, and make adjustments to maintain required levels.
  DWAs: Monitor equipment fluid levels.

[Core] [65% incumbents] Analyze problems and take appropriate action to ensure continuous and reliable operation of equipment and systems.
  DWAs: Troubleshoot equipment or systems operation problems.

[Core] [65% incumbents] Observe and interpret readings on gauges, meters, and charts registering various aspects of boiler operation to ensure that boilers are operating properly.
  DWAs: Monitor equipment operation to ensure proper functioning.

[Core] [65% incumbents] Monitor and inspect equipment, computer terminals, switches, valves, gauges, alarms, safety devices, and meters to detect leaks or malfunctions and to ensure that equipment is operating efficiently and safely.
  DWAs: Watch operating equipment to detect malfunctions. | Inspect production equipment.

[Core] [65% incumbents] Switch from automatic to manual controls and isolate equipment mechanically and electrically to allow for safe inspection and repair work.
  DWAs: Operate energy distribution equipment.

[Core] [65% incumbents] Perform or arrange for repairs, such as complete overhauls, replacement of defective valves, gaskets, or bearings, or fabrication of new parts.
  DWAs: Repair production equipment or tools.

[Core] [65% incumbents] Adjust controls and/or valves on equipment to provide power, and to regulate and set operations of system or industrial processes.
  DWAs: Adjust flow of electricity to tools or production equipment. | Operate energy distribution equipment.

[Core] [65% incumbents] Clean and lubricate boilers and auxiliary equipment and make minor adjustments as needed, using hand tools.
  DWAs: Clean production equipment. | Lubricate production equipment.

[Core] [65% incumbents] Develop operation, safety, and maintenance procedures or assist in their development.
  DWAs: Plan production or operational procedures or sequences.

[Core] [65% incumbents] Test electrical systems to determine voltages, using voltage meters.
  DWAs: Test electrical equipment or systems to ensure proper functioning.

[Core] [65% incumbents] Weigh, measure, and record fuel used.
  DWAs: Measure ingredients or substances to be used in production processes. | Record operational or production data.

[Core] [65% incumbents] Install burners and auxiliary equipment, using hand tools.
  DWAs: Assemble electromechanical or hydraulic systems.

[Core] [65% incumbents] Check the air quality of ventilation systems and make adjustments to ensure compliance with mandated safety codes.
  DWAs: Monitor equipment operation to ensure proper functioning.

[Core] [65% incumbents] Provide assistance to plumbers in repairing or replacing water, sewer, or waste lines, and in daily maintenance activities.
  DWAs: Repair production equipment or tools. | Maintain production or processing equipment.

[Supplemental] [65% incumbents] Fire coal furnaces by hand or with stokers and gas- or oil-fed boilers, using automatic gas feeds or oil pumps.
  DWAs: Ignite fuel to activate heating equipment.

[Supplemental] [65% incumbents] Investigate and report on accidents.
  DWAs: Investigate accidents to determine causes. | Notify others of emergencies, problems, or hazards.

[Supplemental] [65% incumbents] Operate mechanical hoppers and provide assistance in their adjustment and repair.
  DWAs: Adjust equipment to ensure optimal performance. | Operate industrial equipment.

[Supplemental] [65% incumbents] Ignite fuel in burners, using torches or flames.
  DWAs: Ignite fuel to activate heating equipment.

[Core] [64% incumbents] Activate valves to maintain required amounts of water in boilers, to adjust supplies of combustion air, and to control the flow of fuel into burners.
  DWAs: Adjust equipment controls to regulate gas flow. | Adjust equipment controls to regulate flow of water, cleaning solutions, or other liquids.

[Core] [64% incumbents] Contact equipment manufacturers or appropriate specialists when necessary to resolve equipment problems.
  DWAs: Confer with others to resolve production problems or equipment malfunctions.

[Supplemental] [64% incumbents] Supervise the work of assistant stationary engineers, turbine operators, boiler tenders, or air conditioning and refrigeration operators and mechanics.
  DWAs: Direct operational or production activities.

[Core] [63% incumbents] Test boiler water quality or arrange for testing and take necessary corrective action, such as adding chemicals to prevent corrosion and harmful deposits.
  DWAs: Test chemical or physical characteristics of materials or products.

--- SKILLS ---
  Active Listening (imp:3.25 lvl:3.12) — Giving full attention to what other people are saying, taking time to understand
  Critical Thinking (imp:3.25 lvl:3.12) — Using logic and reasoning to identify the strengths and weaknesses of alternativ
  Reading Comprehension (imp:3.12 lvl:3.12) — Understanding written sentences and paragraphs in work-related documents.
  Active Learning (imp:3.12 lvl:3.12) — Understanding the implications of new information for both current and future pr
  Monitoring (imp:3.12 lvl:3.12) — Monitoring/Assessing performance of yourself, other individuals, or organization
  Speaking (imp:3.00 lvl:3.00) — Talking to others to convey information effectively.
  Writing (imp:2.88 lvl:3.00) — Communicating effectively in writing as appropriate for the needs of the audienc
  Science (imp:2.25 lvl:2.12) — Using scientific rules and methods to solve problems.
  Mathematics (imp:2.12 lvl:2.12) — Using mathematics to solve problems.
  Learning Strategies (imp:2.12 lvl:2.12) — Selecting and using training/instructional methods and procedures appropriate fo

--- KNOWLEDGE ---
  Mechanical (imp:4.06 lvl:4.90) — Knowledge of machines and tools, including their designs, uses, repair, and main
  Chemistry (imp:3.40 lvl:4.43) — Knowledge of the chemical composition, structure, and properties of substances a
  Public Safety and Security (imp:3.32 lvl:3.96) — Knowledge of relevant equipment, policies, procedures, and strategies to promote
  Physics (imp:3.18 lvl:3.72) — Knowledge and prediction of physical principles, laws, their interrelationships,
  Engineering and Technology (imp:3.16 lvl:3.62) — Knowledge of the practical application of engineering science and technology. Th
  English Language (imp:3.10 lvl:2.97) — Knowledge of the structure and content of the English language including the mea
  Computers and Electronics (imp:3.08 lvl:3.31) — Knowledge of circuit boards, processors, chips, electronic equipment, and comput
  Mathematics (imp:3.07 lvl:3.53) — Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their appl
  Production and Processing (imp:3.06 lvl:2.76) — Knowledge of raw materials, production processes, quality control, costs, and ot
  Building and Construction (imp:2.97 lvl:3.71) — Knowledge of materials, methods, and the tools involved in the construction or r
  Administration and Management (imp:2.92 lvl:2.98) — Knowledge of business and management principles involved in strategic planning, 
  Education and Training (imp:2.71 lvl:3.58) — Knowledge of principles and methods for curriculum and training design, teaching
  Law and Government (imp:2.64 lvl:2.61) — Knowledge of laws, legal codes, court procedures, precedents, government regulat
  Design (imp:2.62 lvl:3.00) — Knowledge of design techniques, tools, and principles involved in production of 
  Communications and Media (imp:2.41 lvl:2.37) — Knowledge of media production, communication, and dissemination techniques and m
  Administrative (imp:2.35 lvl:2.15) — Knowledge of administrative and office procedures and systems such as word proce
  Telecommunications (imp:2.27 lvl:2.27) — Knowledge of transmission, broadcasting, switching, control, and operation of te
  Transportation (imp:2.15 lvl:2.08) — Knowledge of principles and methods for moving people or goods by air, rail, sea
  Personnel and Human Resources (imp:1.99 lvl:1.17) — Knowledge of principles and procedures for personnel recruitment, selection, tra
  Psychology (imp:1.86 lvl:1.97) — Knowledge of human behavior and performance; individual differences in ability, 
  Biology (imp:1.79 lvl:1.46) — Knowledge of plant and animal organisms, their tissues, cells, functions, interd
  Geography (imp:1.70 lvl:1.16) — Knowledge of principles and methods for describing the features of land, sea, an
  Customer and Personal Service (imp:1.63 lvl:1.03) — Knowledge of principles and processes for providing customer and personal servic
  Economics and Accounting (imp:1.62) — Knowledge of economic and accounting principles and practices, the financial mar
  Therapy and Counseling (imp:1.49 lvl:0.97) — Knowledge of principles, methods, and procedures for diagnosis, treatment, and r
  Sociology and Anthropology (imp:1.45) — Knowledge of group behavior and dynamics, societal trends and influences, human 
  Philosophy and Theology (imp:1.28 lvl:0.77) — Knowledge of different philosophical systems and religions. This includes their 
  Medicine and Dentistry (imp:1.25) — Knowledge of the information and techniques needed to diagnose and treat human i
  Food Production (imp:1.23) — Knowledge of techniques and equipment for planting, growing, and harvesting food
  Sales and Marketing (imp:1.19 lvl:0.26) — Knowledge of principles and methods for showing, promoting, and selling products
  History and Archeology (imp:1.13) — Knowledge of historical events and their causes, indicators, and effects on civi
  Foreign Language (imp:1.02) — Knowledge of the structure and content of a foreign (non-English) language inclu
  Fine Arts (imp:1.00) — Knowledge of the theory and techniques required to compose, produce, and perform

--- ABILITIES ---
  Near Vision (imp:3.88 lvl:3.62) — The ability to see details at close range (within a few feet of the observer).
  Problem Sensitivity (imp:3.75 lvl:3.38) — The ability to tell when something is wrong or is likely to go wrong. It does no
  Oral Comprehension (imp:3.62 lvl:3.62) — The ability to listen to and understand information and ideas presented through 
  Oral Expression (imp:3.50 lvl:3.50) — The ability to communicate information and ideas in speaking so others will unde
  Deductive Reasoning (imp:3.25 lvl:3.12) — The ability to apply general rules to specific problems to produce answers that 
  Inductive Reasoning (imp:3.25 lvl:3.12) — The ability to combine pieces of information to form general rules or conclusion
  Information Ordering (imp:3.25 lvl:3.12) — The ability to arrange things or actions in a certain order or pattern according
  Perceptual Speed (imp:3.25 lvl:3.75) — The ability to quickly and accurately compare similarities and differences among
  Written Comprehension (imp:3.12 lvl:3.12) — The ability to read and understand information and ideas presented in writing.
  Category Flexibility (imp:3.12 lvl:3.12) — The ability to generate or use different sets of rules for combining or grouping
  Selective Attention (imp:3.12 lvl:3.25) — The ability to concentrate on a task over a period of time without being distrac
  Arm-Hand Steadiness (imp:3.12 lvl:3.00) — The ability to keep your hand and arm steady while moving your arm or while hold
  Manual Dexterity (imp:3.12 lvl:3.12) — The ability to quickly move your hand, your hand together with your arm, or your
  Finger Dexterity (imp:3.12 lvl:3.12) — The ability to make precisely coordinated movements of the fingers of one or bot
  Control Precision (imp:3.12 lvl:3.12) — The ability to quickly and repeatedly adjust the controls of a machine or a vehi
  Multilimb Coordination (imp:3.12 lvl:3.00) — The ability to coordinate two or more limbs (for example, two arms, two legs, or
  Reaction Time (imp:3.12 lvl:3.12) — The ability to quickly respond (with the hand, finger, or foot) to a signal (sou
  Auditory Attention (imp:3.12 lvl:3.25) — The ability to focus on a single source of sound in the presence of other distra
  Written Expression (imp:3.00 lvl:3.12) — The ability to communicate information and ideas in writing so others will under
  Far Vision (imp:3.00 lvl:3.00) — The ability to see details at a distance.
  Speech Recognition (imp:3.00 lvl:2.88) — The ability to identify and understand the speech of another person.
  Speech Clarity (imp:3.00 lvl:2.88) — The ability to speak clearly so others can understand you.
  Flexibility of Closure (imp:2.88 lvl:2.88) — The ability to identify or detect a known pattern (a figure, object, word, or so
  Visualization (imp:2.88 lvl:2.88) — The ability to imagine how something will look after it is moved around or when 
  Hearing Sensitivity (imp:2.88 lvl:2.75) — The ability to detect or tell the differences between sounds that vary in pitch 
  Time Sharing (imp:2.75 lvl:2.62) — The ability to shift back and forth between two or more activities or sources of
  Static Strength (imp:2.75 lvl:2.75) — The ability to exert maximum muscle force to lift, push, pull, or carry objects.
  Visual Color Discrimination (imp:2.75 lvl:2.88) — The ability to match or detect differences between colors, including shades of c
  Fluency of Ideas (imp:2.62 lvl:2.50) — The ability to come up with a number of ideas about a topic (the number of ideas
  Response Orientation (imp:2.50 lvl:2.38) — The ability to choose quickly between two or more movements in response to two o
  Trunk Strength (imp:2.50 lvl:2.50) — The ability to use your abdominal and lower back muscles to support part of the 
  Extent Flexibility (imp:2.50 lvl:2.88) — The ability to bend, stretch, twist, or reach with your body, arms, and/or legs.
  Originality (imp:2.38 lvl:2.25) — The ability to come up with unusual or clever ideas about a given topic or situa
  Speed of Closure (imp:2.38 lvl:2.25) — The ability to quickly make sense of, combine, and organize information into mea
  Rate Control (imp:2.38 lvl:2.25) — The ability to time your movements or the movement of a piece of equipment in an
  Depth Perception (imp:2.38 lvl:2.50) — The ability to judge which of several objects is closer or farther away from you
  Memorization (imp:2.25 lvl:2.12) — The ability to remember information such as words, numbers, pictures, and proced
  Mathematical Reasoning (imp:2.12 lvl:2.12) — The ability to choose the right mathematical methods or formulas to solve a prob
  Number Facility (imp:2.12 lvl:2.12) — The ability to add, subtract, multiply, or divide quickly and correctly.
  Spatial Orientation (imp:2.12 lvl:1.62) — The ability to know your location in relation to the environment or to know wher
  Wrist-Finger Speed (imp:2.12 lvl:2.00) — The ability to make fast, simple, repeated movements of the fingers, hands, and 
  Dynamic Strength (imp:2.12 lvl:1.88) — The ability to exert muscle force repeatedly or continuously over time. This inv
  Stamina (imp:2.12 lvl:1.88) — The ability to exert yourself physically over long periods of time without getti
  Gross Body Coordination (imp:2.12 lvl:2.00) — The ability to coordinate the movement of your arms, legs, and torso together wh
  Peripheral Vision (imp:2.12 lvl:1.50) — The ability to see objects or movement of objects to one's side when the eyes ar
  Gross Body Equilibrium (imp:2.00 lvl:2.00) — The ability to keep or regain your body balance or stay upright when in an unsta
  Glare Sensitivity (imp:2.00 lvl:1.75) — The ability to see objects in the presence of a glare or bright lighting.
  Sound Localization (imp:2.00 lvl:1.88) — The ability to tell the direction from which a sound originated.
  Speed of Limb Movement (imp:1.62 lvl:1.25) — The ability to quickly move the arms and legs.
  Explosive Strength (imp:1.62 lvl:1.12) — The ability to use short bursts of muscle force to propel oneself (as in jumping
  Night Vision (imp:1.50 lvl:0.50) — The ability to see under low-light conditions.
  Dynamic Flexibility (imp:1.00) — The ability to quickly and repeatedly bend, stretch, twist, or reach out with yo

--- WORK ACTIVITIES ---
  Inspecting Equipment, Structures, or Materials (imp:4.45 lvl:4.79) — Inspecting equipment, structures, or materials to identify the cause of errors o
  Repairing and Maintaining Mechanical Equipment (imp:4.41 lvl:5.19) — Servicing, repairing, adjusting, and testing machines, devices, moving parts, an
  Making Decisions and Solving Problems (imp:4.28 lvl:4.73) — Analyzing information and evaluating results to choose the best solution and sol
  Controlling Machines and Processes (imp:4.18 lvl:5.32) — Using either control mechanisms or direct physical activity to operate machines 
  Monitoring Processes, Materials, or Surroundings (imp:4.07 lvl:4.99) — Monitoring and reviewing information from materials, events, or the environment,
  Getting Information (imp:4.05 lvl:3.75) — Observing, receiving, and otherwise obtaining information from all relevant sour
  Identifying Objects, Actions, and Events (imp:4.04 lvl:4.05) — Identifying information by categorizing, estimating, recognizing differences or 
  Communicating with Supervisors, Peers, or Subordinates (imp:4.02 lvl:4.46) — Providing information to supervisors, co-workers, and subordinates by telephone,
  Processing Information (imp:4.00 lvl:4.42) — Compiling, coding, categorizing, calculating, tabulating, auditing, or verifying
  Updating and Using Relevant Knowledge (imp:3.88 lvl:4.59) — Keeping up-to-date technically and applying new knowledge to your job.
  Organizing, Planning, and Prioritizing Work (imp:3.88 lvl:4.49) — Developing specific goals and plans to prioritize, organize, and accomplish your
  Documenting/Recording Information (imp:3.85 lvl:3.98) — Entering, transcribing, recording, storing, or maintaining information in writte
  Evaluating Information to Determine Compliance with Standards (imp:3.76 lvl:4.01) — Using relevant information and individual judgment to determine whether events o
  Judging the Qualities of Objects, Services, or People (imp:3.71 lvl:4.21) — Assessing the value, importance, or quality of things or people.
  Operating Vehicles, Mechanized Devices, or Equipment (imp:3.67 lvl:3.47) — Running, maneuvering, navigating, or driving vehicles or mechanized equipment, s
  Working with Computers (imp:3.67 lvl:3.15) — Using computers and computer systems (including hardware and software) to progra
  Performing General Physical Activities (imp:3.65 lvl:5.03) — Performing general physical activities includes doing activities that require co
  Thinking Creatively (imp:3.63 lvl:4.26) — Developing, designing, or creating new applications, ideas, relationships, syste
  Coordinating the Work and Activities of Others (imp:3.63 lvl:4.30) — Getting members of a group to work together to accomplish tasks.
  Training and Teaching Others (imp:3.63 lvl:4.13) — Identifying the educational needs of others, developing formal educational or tr
  Handling and Moving Objects (imp:3.62 lvl:5.06) — Using hands and arms in handling, installing, positioning, and moving materials,
  Analyzing Data or Information (imp:3.57 lvl:4.02) — Identifying the underlying principles, reasons, or facts of information by break
  Estimating the Quantifiable Characteristics of Products, Events, or Information (imp:3.54 lvl:3.79) — Estimating sizes, distances, and quantities; or determining time, costs, resourc
  Developing and Building Teams (imp:3.53 lvl:3.44) — Encouraging and building mutual trust, respect, and cooperation among team membe
  Coaching and Developing Others (imp:3.52 lvl:4.04) — Identifying the developmental needs of others and coaching, mentoring, or otherw
  Scheduling Work and Activities (imp:3.51 lvl:3.73) — Scheduling events, programs, and activities, as well as the work of others.
  Developing Objectives and Strategies (imp:3.44 lvl:3.42) — Establishing long-range objectives and specifying the strategies and actions to 
  Establishing and Maintaining Interpersonal Relationships (imp:3.26 lvl:4.34) — Developing constructive and cooperative working relationships with others, and m
  Repairing and Maintaining Electronic Equipment (imp:3.20 lvl:4.14) — Servicing, repairing, calibrating, regulating, fine-tuning, or testing machines,
  Assisting and Caring for Others (imp:3.14 lvl:3.45) — Providing personal assistance, medical attention, emotional support, or other pe
  Interpreting the Meaning of Information for Others (imp:3.12 lvl:3.41) — Translating or explaining what information means and how it can be used.
  Resolving Conflicts and Negotiating with Others (imp:3.08 lvl:3.78) — Handling complaints, settling disputes, and resolving grievances and conflicts, 
  Guiding, Directing, and Motivating Subordinates (imp:2.86 lvl:3.28) — Providing guidance and direction to subordinates, including setting performance 
  Drafting, Laying Out, and Specifying Technical Devices, Parts, and Equipment (imp:2.83 lvl:3.13) — Providing documentation, detailed instructions, drawings, or specifications to t
  Monitoring and Controlling Resources (imp:2.82 lvl:3.45) — Monitoring and controlling resources and overseeing the spending of money.
  Communicating with People Outside the Organization (imp:2.75 lvl:3.34) — Communicating with people outside the organization, representing the organizatio
  Providing Consultation and Advice to Others (imp:2.75 lvl:3.40) — Providing guidance and expert advice to management or other groups on technical,
  Performing Administrative Activities (imp:2.54 lvl:2.94) — Performing day-to-day administrative tasks such as maintaining information files
  Staffing Organizational Units (imp:2.36 lvl:2.30) — Recruiting, interviewing, selecting, hiring, and promoting employees in an organ
  Performing for or Working Directly with the Public (imp:2.30 lvl:2.37) — Performing for people or dealing directly with the public. This includes serving
  Selling or Influencing Others (imp:2.21 lvl:2.05) — Convincing others to buy merchandise/goods or to otherwise change their minds or

--- WORK STYLES ---
  Dependability (imp:3.00) — A tendency to be reliable, responsible, and consistent in meeting work-related o
  Dependability (imp:2.65) — A tendency to be reliable, responsible, and consistent in meeting work-related o
  Cautiousness (imp:2.62) — A tendency to be careful, deliberate, and risk-avoidant when making work-related
  Attention to Detail (imp:2.57) — A tendency to be detail-oriented, organized, and thorough in completing work.
  Attention to Detail (imp:2.00) — A tendency to be detail-oriented, organized, and thorough in completing work.
  Integrity (imp:1.82) — A tendency to be honest and ethical at work.
  Stress Tolerance (imp:1.67) — A tendency to cope and function effectively in stressful situations at work.
  Perseverance (imp:1.64) — A tendency to exhibit determination and resolve to perform or complete tasks in 
  Self-Control (imp:1.25) — A tendency to remain calm and composed and to manage emotions effectively in res
  Achievement Orientation (imp:1.18) — A tendency to establish and maintain personally challenging work-related goals, 
  Self-Confidence (imp:1.02) — A tendency to believe in one's work-related capabilities and ability to control 
  Cautiousness (imp:1.00) — A tendency to be careful, deliberate, and risk-avoidant when making work-related
  Adaptability (imp:0.94) — A tendency to be open to and comfortable with change, new experiences, or ideas 
  Intellectual Curiosity (imp:0.89) — A tendency to seek out and acquire new work-related knowledge and obtain a deep 
  Initiative (imp:0.74) — A tendency to be proactive and take on extra responsibilities and tasks that may
  Cooperation (imp:0.71) — A tendency to be pleasant, helpful, and willing to assist others at work.
  Sincerity (imp:0.27) — A tendency to be genuine and sincere in interactions with others at work, withou
  Leadership Orientation (imp:0.12) — A tendency to lead, take charge, offer opinions, and provide direction at work.
  Optimism (imp:0.11) — A tendency to exhibit a positive attitude and positive emotions at work, even un
  Innovation () — A tendency to be inventive, to be imaginative, and to adopt new perspectives on 
  Achievement Orientation () — A tendency to establish and maintain personally challenging work-related goals, 
  Intellectual Curiosity () — A tendency to seek out and acquire new work-related knowledge and obtain a deep 
  Tolerance for Ambiguity () — A tendency to be comfortable with ambiguity and uncertainty at work.
  Initiative () — A tendency to be proactive and take on extra responsibilities and tasks that may
  Adaptability () — A tendency to be open to and comfortable with change, new experiences, or ideas 
  Self-Confidence () — A tendency to believe in one's work-related capabilities and ability to control 
  Perseverance () — A tendency to exhibit determination and resolve to perform or complete tasks in 
  Leadership Orientation () — A tendency to lead, take charge, offer opinions, and provide direction at work.
  Humility () — A tendency to be modest and humble when interacting with others at work.
  Sincerity () — A tendency to be genuine and sincere in interactions with others at work, withou
  Empathy () — A tendency to show concern for others and be sensitive to others' needs and feel
  Cooperation () — A tendency to be pleasant, helpful, and willing to assist others at work.
  Optimism () — A tendency to exhibit a positive attitude and positive emotions at work, even un
  Social Orientation () — A tendency to seek out, enjoy, and be energized by social interaction at work.
  Integrity () — A tendency to be honest and ethical at work.
  Stress Tolerance () — A tendency to cope and function effectively in stressful situations at work.
  Self-Control () — A tendency to remain calm and composed and to manage emotions effectively in res
  Empathy (imp:-0.10) — A tendency to show concern for others and be sensitive to others' needs and feel
  Humility (imp:-0.14) — A tendency to be modest and humble when interacting with others at work.
  Social Orientation (imp:-0.14) — A tendency to seek out, enjoy, and be energized by social interaction at work.
  Innovation (imp:-0.24) — A tendency to be inventive, to be imaginative, and to adopt new perspectives on 
  Tolerance for Ambiguity (imp:-0.27) — A tendency to be comfortable with ambiguity and uncertainty at work.

--- TRANSFERABLE SKILLS ---
  Operations Monitoring (imp:4.00 lvl:3.88) — Watching gauges, dials, or other indicators to make sure a machine is working pr
  Operation and Control (imp:3.38 lvl:3.25) — Controlling operations of equipment or systems.
  Equipment Maintenance (imp:3.25 lvl:3.25) — Performing routine maintenance on equipment and determining when and what kind o
  Troubleshooting (imp:3.25 lvl:3.25) — Determining causes of operating errors and deciding what to do about it.
  Repairing (imp:3.25 lvl:3.50) — Repairing machines or systems using the needed tools.
  Coordination (imp:3.12 lvl:3.12) — Adjusting actions in relation to others' actions.
  Complex Problem Solving (imp:3.12 lvl:3.12) — Identifying complex problems and reviewing related information to develop and ev
  Quality Control Analysis (imp:3.12 lvl:3.25) — Conducting tests and inspections of products, services, or processes to evaluate
  Judgment and Decision Making (imp:3.12 lvl:3.00) — Considering the relative costs and benefits of potential actions to choose the m
  Time Management (imp:3.00 lvl:3.00) — Managing one's own time and the time of others.
  Systems Evaluation (imp:2.88 lvl:3.12) — Identifying measures or indicators of system performance and the actions needed 
  Social Perceptiveness (imp:2.75 lvl:2.25) — Being aware of others' reactions and understanding why they react as they do.
  Instructing (imp:2.75 lvl:2.88) — Teaching others how to do something.
  Systems Analysis (imp:2.62 lvl:3.12) — Determining how a system should work and how changes in conditions, operations, 
  Persuasion (imp:2.50 lvl:2.00) — Persuading others to change their minds or behavior.
  Equipment Selection (imp:2.50 lvl:2.38) — Determining the kind of tools and equipment needed to do a job.
  Negotiation (imp:2.38 lvl:2.25) — Bringing others together and trying to reconcile differences.
  Management of Personnel Resources (imp:2.38 lvl:2.38) — Motivating, developing, and directing people as they work, identifying the best 
  Service Orientation (imp:2.12 lvl:2.00) — Actively looking for ways to help people.
  Installation (imp:2.12 lvl:1.88) — Installing equipment, machines, wiring, or programs to meet specifications.
  Management of Material Resources (imp:1.88 lvl:1.12) — Obtaining and seeing to the appropriate use of equipment, facilities, and materi
  Operations Analysis (imp:1.62 lvl:1.12) — Analyzing needs and product requirements to create a design.
  Technology Design (imp:1.50 lvl:0.50) — Generating or adapting equipment and technology to serve user needs.
  Management of Financial Resources (imp:1.50 lvl:0.50) — Determining how money will be spent to get the work done, and accounting for the
  Programming (imp:1.38 lvl:0.38) — Writing computer programs for various purposes.

--- NATIONAL WAGES ---
  total_employment : 28,250
  annual_median    : $78,620
  annual_pct10     : $50,590
  annual_pct25     : $63,160
  annual_pct75     : $101,150
  annual_pct90     : $125,390
  annual_mean      : $83,960
  hourly_median    : $37.80

--- GEOGRAPHIC DISPERSION ---
  highest_state    : Illinois ($115,780)
  lowest_state     : Louisiana ($47,750)
  dispersion_ratio : 2.425x

--- TOP STATES BY WAGE (52 total) ---
  Health Care and Social Assistance        emp:    6,110  median: $  80,880
  Federal, State, and Local Government, excluding State and Local Government Schools and Hospitals and the U.S. Postal Service (OEWS Designation) emp:    5,910  median: $  90,990
  Manufacturing                            emp:    4,890  median: $  74,130
  Educational Services                     emp:    4,390  median: $  72,920
  Accommodation and Food Services          emp:    2,000  median: $  57,910
  Administrative and Support and Waste Management and Remediation Services emp:    1,360  median: $  85,190
  Construction                             emp:      800  median: $  79,650
  Real Estate and Rental and Leasing       emp:      800  median: $  82,560
  Utilities                                emp:      630  median: $  95,830
  Professional, Scientific, and Technical Services emp:      340  median: $  80,870

--- TOP INDUSTRIES BY EMPLOYMENT (16 total) ---
  Health Care and Social Assistance        emp:    6,110  median: $  80,880
  Federal, State, and Local Government, excluding State and Local Government Schools and Hospitals and the U.S. Postal Service (OEWS Designation) emp:    5,910  median: $  90,990
  Manufacturing                            emp:    4,890  median: $  74,130
  Educational Services                     emp:    4,390  median: $  72,920
  Accommodation and Food Services          emp:    2,000  median: $  57,910
  Administrative and Support and Waste Management and Remediation Services emp:    1,360  median: $  85,190
  Construction                             emp:      800  median: $  79,650
  Real Estate and Rental and Leasing       emp:      800  median: $  82,560
  Utilities                                emp:      630  median: $  95,830
  Professional, Scientific, and Technical Services emp:      340  median: $  80,870

exact_match_status : found
matched_title      : Stationary engineer
match_score        : 0.6333
wikidata_qid       : Q7604342
word_count         : 713
wikipedia_url      : https://en.wikipedia.org/wiki/Stationary_engineer
license            : CC BY-SA 4.0
fetched_at         : 2026-06-02T23:19:23.346932Z

--- WIKIPEDIA FULL TEXT ---
A stationary engineer (also called an operating engineer, power engineer or process operator) is a technically trained professional who operates, troubleshoots and oversees industrial machinery and equipment that provide and utilize energy in various forms.
The title "power engineer" has different meanings in the United States and in Canada.
Stationary engineers are responsible for the safe operation and maintenance of a wide range of equipment including boilers, steam turbines, gas turbines, gas compressors, generators, motors, air conditioning systems, heat exchangers, heat recovery steam generators (HRSGs) that may be directly fired (duct burners) or indirectly fired (gas turbine exhaust heat collectors), hot water generators, and refrigeration machinery in addition to its associated auxiliary equipment (air compressors, natural gas compressors, electrical switchgear, pumps, etc.).
Stationary engineers are trained in many areas, including mechanical, thermal, chemical, electrical, metallurgy, instrumentation, and a wide range of safety skills. They typically work in factories, office buildings, hospitals, warehouses, power generation plants, industrial facilities, and residential and commercial buildings.
The use of the title "stationary engineer" predates other engineering designations and is not to be confused with professional engineer, a title typically given to design engineers in their given field. The job of today's engineer has been greatly changed by computers and automation as well as the replacement of steam engines on ships and trains. Workers have adapted to the challenges of the changing job market.
Today, stationary engineers are required to be significantly more involved with the technical aspect of the job, as many plants and buildings are updated with increasingly more automated systems of control valves and distributed control systems.


== History ==
The profession of stationary engineering emerged during the Industrial Revolution with the development of steam-powered pumps by Thomas Savery and Thomas Newcomen which were used to draw water from mines, and the industrial steam engines perfected by James Watt. Railroad engineers operated early steam locomotives and continue to operate trains today, as well as marine engineers, who operated the boilers on steamships. The certification and classification of stationary engineers was developed in order to reduce incidents of boiler explosions in the late 19th century. Notable individuals who worked as stationary engineers include George Stephenson, William Faulkner, and Henry Ford.


== Regulation ==


=== United States ===
In the United States power engineers are governed solely by their individual states, or by their specific municipalities. Several States, such as Maine have opted to align with Canada's guidelines regarding power engineering education, but this is not common. In the United States, stationary engineers must be licensed in several cities and states. The New York City Department of Buildings requires a Stationary Engineer's License to practice in the City of New York; to obtain the license one must pass a written and practical exam and have at least five years' experience working directly under a licensed stationary engineer, or one year if in possession of a Bachelor of Science degree in mechanical engineering. Holders of the Stationary Engineer's License primarily work in large power generation facilities, such as cogeneration power plants, peaking units, and large central heating and refrigeration plants (CHRPs). For the State of California, Stationary Engineers are the State of California Military Department's sole source of Airfield Lighting and Repair.


=== Canada ===
In Canada, power engineers are regulated by their respective jurisdictions, named below. Each province has a safety authority that is granted power through "enabling acts" and overseen by the Canadian Standards Association. Examinations and licensing in all 10 provinces and three territories are regulated by the Standardization of Power Engineers Examinations Committee (SOPEEC) who receives recommendations by the Interprovincial Power Engineering Curriculum Committee (IPECC).


==== Jurisdictional authorities ====
Alberta Boilers Safety Association (ABSA)
Technical Safety British Columbia (TSBC)
Office of The Fire Commissioner
Government of New Brunswick
Government of Newfoundland and Labrador
Northwest Territories
Nova Scotia
Nunavut
Technical Standards and Safety Authority (TSSA)
Government of Prince Edward Island
Régie du bâtiment du Québec and Emploi-Québec (RBQ, EQ)
Technical Safety Authority of Saskatchewan
Yukon


== External links ==
The International Union of Operating Engineers
The National Association of Power Engineers, history of "Stationary Engineers"
The American Society of Power Engineers
The National Institute for the Uniform Licensing of Power Engineers
National Institute of Power Engineers
Standardization of Power Engineer Examinations Committee


== References ==

--- SEMANTIC NEIGHBORS (5) ---

  Title: Steam engine (similarity: 0.3774)
  URL: https://en.wikipedia.org/wiki/Steam_engine
  QID: Q12760
  Extract: A steam engine is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. This pushing force can be transformed by a connecting rod and crank into rotational force for 

  Title: Automation (similarity: 0.2353)
  URL: https://en.wikipedia.org/wiki/Automation
  QID: Q184199
  Extract: Automation describes a wide range of technologies that reduce human intervention in processes, mainly by predetermining decision criteria, subprocess relationships, and related actions, as well as embodying those predeterminations in machines. Automation has been achieved by various means including 

  Title: International Brotherhood of Stationary Firemen (similarity: 0.2955)
  URL: https://en.wikipedia.org/wiki/International_Brotherhood_of_Stationary_Firemen
  QID: Q23022427
  Extract: The International Brotherhood of Stationary Firemen (IBSF) was an American trade union established in 1898 and affiliated with the American Federation of Labor. The union was established as a mechanism for advancing the collective interests of workers engaged in the operation of steam boilers. Origi

  Title: Boiler explosion (similarity: 0.3158)
  URL: https://en.wikipedia.org/wiki/Boiler_explosion
  QID: Q1417169
  Extract: A boiler explosion is a catastrophic failure of a boiler.

  Title: Military Auxiliary Radio System (similarity: 0.3611)
  URL: https://en.wikipedia.org/wiki/Military_Auxiliary_Radio_System
  QID: Q194785
  Extract: The Military Auxiliary Radio System (MARS) is a United States Department of War sponsored program, established as a separately managed and operated program by the United States Army and the United States Air Force. The United States Navy-Marine Corps program closed in 2015. The program is a civilian

model_pass1          : claude-sonnet-4-20250514
model_pass2          : claude-haiku-4-5-20251001
inference_confidence : high
confidence_notes     : Strong data alignment across O*NET tasks, skills, and knowledge areas. Wikipedia exact match provides additional validation. Clear wage and employment data from BLS OEWS. Rich task descriptions enable confident day-in-the-life and automation outlook assessments.
inferred_at          : 2026-06-04T02:09:33.605996+00:00
tokens_input         : 4,785
tokens_output        : 4,282
cost_usd             : $0.047211
wikipedia_used       : True
wikipedia_title      : Stationary engineer
wikipedia_note       : Wikipedia confirms these are technically trained professionals who operate and troubleshoot industrial machinery that provides and utilizes energy, aligning with the O*NET description of operating stationary engines and boilers for building utilities.

--- PROSE FIELDS ---

ROLE SUMMARY:
Stationary Engineers and Boiler Operators are technically trained professionals who operate, maintain, and monitor mechanical equipment that provides utilities for buildings and industrial processes. They work with steam engines, generators, motors, turbines, and boilers to ensure continuous and reliable operation of critical infrastructure systems. These operators combine hands-on mechanical expertise with vigilant monitoring to prevent equipment failures and maintain safety standards.

DAY IN THE LIFE:
Stationary engineers begin their shifts by inspecting equipment and reviewing overnight logs to assess system status. They monitor boiler water, chemical, and fuel levels throughout the day, making adjustments to maintain required operating parameters while observing gauges, meters, and charts that register various aspects of equipment performance. When issues arise, they analyze problems and take corrective action, switching between automatic and manual controls as needed for maintenance or repairs. They maintain detailed daily logs of operations, safety activities, and test results, and communicate with supervisors and colleagues about system performance. The role involves both routine monitoring tasks and urgent troubleshooting when equipment malfunctions threaten continuous operation.

WHO THRIVES:
Individuals who excel in this role possess strong mechanical aptitude combined with meticulous attention to detail and unwavering dependability. They demonstrate realistic problem-solving preferences, enjoying hands-on work with tangible equipment and systems rather than abstract concepts. The role suits people who thrive under the responsibility of maintaining critical infrastructure, as equipment failures can have serious consequences for building occupants or industrial processes. Successful stationary engineers are naturally cautious and methodical, with the patience for routine monitoring tasks and the decisiveness to act quickly when problems emerge.

CAREER ENTRY:
Most stationary engineers enter the field through post-secondary certificate programs (47.1% of workers) that provide specialized training in mechanical systems, safety procedures, and equipment operation. Many others begin with a high school diploma (37.8%) and gain experience through apprenticeships or on-the-job training programs. Some pursue associate's degrees (10.5%) in related technical fields. Entry typically requires learning specific equipment types and obtaining required licenses or certifications for operating boilers and pressure vessels in their jurisdiction.

CAREER TRAJECTORY:
Experienced stationary engineers can advance to senior operator positions, shift supervisors, or plant maintenance managers overseeing multiple operators and systems. Some transition into specialized roles such as power plant operators, mechanical engineering technicians, or facility management positions. Career progression often involves obtaining additional licenses for higher-pressure equipment, expanding to different types of power generation systems, or moving into consulting roles where their expertise in equipment operation and safety protocols is valued.

MARKET INTELLIGENCE:
The occupation employs 28,250 workers nationally with a median annual wage of $78,620, ranging from $50,590 at the 10th percentile to $125,390 at the 90th percentile according to BLS OEWS May 2025. Geographic pay variation is significant, with Illinois offering the highest median wages at $115,780 compared to Louisiana's $47,750, representing a 2.42x ratio. The largest employment sectors are healthcare and social assistance (6,110 workers), government entities (5,910 workers), and manufacturing (4,890 workers). This distribution reflects the critical need for building utilities across institutional settings rather than purely industrial applications.

AUTOMATION OUTLOOK:
Stationary engineers face moderate automation pressure as advanced monitoring systems and computerized controls reduce the need for constant manual oversight. However, the role's emphasis on problem-solving, equipment maintenance, and safety decision-making provides protection against full automation, as human judgment remains essential for troubleshooting complex mechanical failures and ensuring safe operations during emergency situations.

--- REASONED EDGES ---
  [skill_overlap] Power Plant Operators (51-8013.00) — confidence:high
    reasoning: Both roles require identical equipment monitoring, mechanical maintenance, and process control skills with similar importance ratings for controlling machines and processes.
    data: Controlling Machines and Processes (imp:4.2)
    data: Repairing and Maintaining Mechanical Equipment (imp:4.4)
    data: Operations Monitoring (imp:4.0)
  [knowledge_overlap] Heating, Air Conditioning, and Refrigeration Mechanics and Installers (49-9021.00) — confidence:medium
    reasoning: Shared mechanical knowledge requirements and similar work with climate control systems, though HVAC focuses more on installation while stationary engineers emphasize operation.
    data: Mechanical knowledge (imp:4.1)
    data: Physics knowledge (imp:3.2)
    data: Engineering and Technology (imp:3.2)
  [career_pathway] Mechanical Engineers (17-2141.00) — confidence:medium
    reasoning: Stationary engineers with additional education can transition to mechanical engineering roles, building on their practical equipment experience and mechanical knowledge base.
    data: Mechanical knowledge (lvl:4.9)
    data: Engineering and Technology knowledge
    data: Job Zone 3 vs higher education requirements
  [task_similarity] Control and Valve Installers and Repairers, Except Mechanical Door (49-9012.00) — confidence:high
    reasoning: Both roles involve adjusting controls and valves on equipment, with significant overlap in monitoring and maintaining control systems.
    data: Adjust controls and/or valves task
    data: Monitor and inspect equipment task
    data: Equipment Maintenance skill (imp:3.2)
  [riasec_cluster] Gas Compressor and Gas Pumping Station Operators (53-7071.00) — confidence:high
    reasoning: Both share realistic orientation (R:7.00) and conventional secondary traits, working with similar industrial equipment in process operations.
    data: RIASEC R:7.00, C:4.40
    data: Operate pumping systems task
    data: Similar equipment operation focus

--- NORMALIZER SIGNALS ---
  match_keywords   : ['stationary engineer', 'boiler operator', 'steam engineer', 'power plant operator', 'boiler technician', 'auxiliary operator', 'steam plant', 'mechanical equipment']
  exclude_keywords : ['mobile engineer', 'locomotive engineer', 'marine engineer', 'software engineer', 'design engineer']
  title_patterns   : ['*engineer*boiler*', '*operator*stationary*', '*technician*boiler*', '*engineer*steam*', '*operator*auxiliary*']
  common_variations: ['boiler operator', 'steam engineer', 'power plant operator', 'auxiliary operator', 'air conditioning engineer', 'boiler technician', 'plant operator', 'steam plant operator']

total_terms    : 40
top_words      : ['equipment', 'tendency', 'others', 'stationary', 'engineers', 'steam', 'production', 'power', 'safety', 'problems', 'mechanical', 'principles', 'operation', 'control', 'operate', 'activities', 'includes', 'boilers', 'maintenance', 'monitoring']
source_layers  : onet_tasks | onet_dimensions | dwas | wikipedia | inference

TERM                    COUNT     FREQ  DOMINANT SOURCE      SOURCE BREAKDOWN
──────────────────────────────────────────────────────────────────────────────────────────
equipment                  74  0.02171  dwas                 dwas:32%  onet_dimensions:31%  onet_tasks:16%
tendency                   42  0.01232  onet_dimensions      onet_dimensions:100%
others                     41  0.01203  onet_dimensions      onet_dimensions:93%  dwas:5%  inference:2%
stationary                 27  0.00792  wikipedia            wikipedia:67%  inference:26%  onet_tasks:7%
engineers                  27  0.00792  wikipedia            wikipedia:70%  inference:22%  onet_tasks:7%
steam                      23  0.00675  wikipedia            wikipedia:83%  onet_tasks:13%  inference:4%
production                 22  0.00645  dwas                 dwas:64%  onet_dimensions:36%
power                      19  0.00558  wikipedia            wikipedia:84%  inference:11%  onet_tasks:5%
safety                     16  0.00470  wikipedia            wikipedia:38%  inference:31%  onet_tasks:25%
problems                   16  0.00470  onet_dimensions      onet_dimensions:56%  dwas:19%  onet_tasks:12%
mechanical                 16  0.00470  inference            inference:38%  onet_dimensions:31%  wikipedia:25%
principles                 16  0.00470  onet_dimensions      onet_dimensions:100%
operation                  15  0.00440  onet_tasks           onet_tasks:27%  inference:27%  dwas:20%
control                    15  0.00440  onet_dimensions      onet_dimensions:80%  wikipedia:13%  onet_tasks:7%
operate                    13  0.00381  dwas                 dwas:38%  onet_dimensions:23%  onet_tasks:15%
activities                 13  0.00381  onet_dimensions      onet_dimensions:69%  onet_tasks:15%  dwas:8%
includes                   13  0.00381  onet_dimensions      onet_dimensions:92%  wikipedia:8%
boilers                    12  0.00352  onet_tasks           onet_tasks:42%  wikipedia:33%  inference:25%
maintenance                12  0.00352  onet_tasks           onet_tasks:33%  onet_dimensions:33%  inference:25%
monitoring                 12  0.00352  onet_dimensions      onet_dimensions:67%  inference:33%
objects                    12  0.00352  onet_dimensions      onet_dimensions:100%
tools                      11  0.00323  onet_dimensions      onet_dimensions:45%  onet_tasks:27%  dwas:27%
procedures                 11  0.00323  onet_dimensions      onet_dimensions:73%  onet_tasks:9%  dwas:9%
techniques                 11  0.00323  onet_dimensions      onet_dimensions:91%  wikipedia:9%
materials                  11  0.00323  onet_dimensions      onet_dimensions:91%  dwas:9%
standards                  11  0.00323  onet_dimensions      onet_dimensions:73%  wikipedia:18%  inference:9%
ideas                      11  0.00323  onet_dimensions      onet_dimensions:100%
engineer                   11  0.00323  wikipedia            wikipedia:100%
states                     11  0.00323  wikipedia            wikipedia:100%
engines                    10  0.00293  wikipedia            wikipedia:70%  inference:20%  onet_tasks:10%
air                        10  0.00293  onet_tasks           onet_tasks:50%  wikipedia:30%  onet_dimensions:20%
operations                 10  0.00293  onet_dimensions      onet_dimensions:60%  onet_tasks:20%  inference:20%
boiler                     10  0.00293  onet_tasks           onet_tasks:40%  wikipedia:40%  inference:20%
operating                  10  0.00293  inference            inference:30%  onet_tasks:20%  onet_dimensions:20%
industrial                 10  0.00293  wikipedia            wikipedia:40%  inference:40%  onet_tasks:10%
hand                       10  0.00293  onet_dimensions      onet_dimensions:70%  onet_tasks:30%
performance                10  0.00293  onet_dimensions      onet_dimensions:70%  inference:20%  dwas:10%
quickly                    10  0.00293  onet_dimensions      onet_dimensions:90%  inference:10%
body                       10  0.00293  onet_dimensions      onet_dimensions:100%
needed                      9  0.00264  onet_dimensions      onet_dimensions:78%  onet_tasks:11%  inference:11%