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Hospitals and Healthcare Facilities
Mayo Clinic, HCA Healthcare, Kaiser Permanente
Stationary Engineers and Boiler Operators
These workers keep boilers, steam lines, pumps, compressors, and other support equipment running so buildings and industrial sites have heat, pressure, and ventilation when they need it. The job is defined by constant monitoring: one wrong setting or missed reading can throw a system off, so the tradeoff is steady hands-on work in exchange for heat, noise, safety risks, and occasional emergency repairs.
Also known as Boiler OperatorStationary EngineerSteam Plant OperatorBoiler TechnicianBoiler Room Operator
Median Salary
$75,190
Mean $79,710
U.S. Workforce
~31K
3.8K openings per year
10-Year Growth
+2.2%
33.3K to 34K
Entry Education
High school diploma or equivalent
+ None experience
What This Role Looks Like in Practice
Stationary Engineers and Boiler Operators sits in the Trades category. In practical terms, this role combines day-to-day execution, cross-team coordination, and consistent decision-making under real business constraints.
U.S. employment is currently about ~31K workers, with a median annual pay of $75,190 and roughly 3.8K openings each year. Based on BLS projections, total employment is expected to grow from 33.3 K in 2024 to 34K in 2034.
Most hiring paths start with Post-Secondary Certificate, and employers typically expect none of related experience. Many careers in this track begin around Utility Plant Trainee and can progress toward Chief Engineer / Plant Supervisor. High-value skills usually include Operations Monitoring, Operation and Control, and Equipment Maintenance, paired with soft skills such as Attention to Detail, Safety Awareness, and Critical Thinking.
Core Responsibilities
- Write down readings, repairs, safety checks, and any equipment problems in the daily log.
- Run boilers, pumps, compressors, and other support equipment to keep heat or steam flowing.
- Change valves and controls to keep pressure, temperature, and output at the right levels.
- Figure out why a system is acting up and decide what needs to be fixed to keep it running.
Keep exploring: more Trades careers or browse all job titles.
A Day in the Life
01 Write down readings, repairs, safety checks, and any equipment problems in the daily log.
02 Run boilers, pumps, compressors, and other support equipment to keep heat or steam flowing.
03 Change valves and controls to keep pressure, temperature, and output at the right levels.
04 Figure out why a system is acting up and decide what needs to be fixed to keep it running.
05 Check ventilation and air quality systems and adjust them so they stay within safety rules.
06 Clean, oil, and do small repairs on boilers and related equipment, and help update operating procedures.
Industries That Hire
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Universities and Schools
Harvard University, University of Michigan, Arizona State University
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Manufacturing
Ford, General Motors, 3M
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Utilities and Power Generation
Duke Energy, Constellation Energy, NRG Energy
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Commercial Real Estate and Property Management
CBRE, JLL, Cushman & Wakefield
Pros and Cons
Advantages
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Pay is solid for a job that usually does not require a four-year degree, with median annual pay at $75,190 and mean pay at $79,710.
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The entry path is accessible: 47.15% of workers have a post-secondary certificate and 37.8% have only a high school diploma.
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The work is concrete and visible, so you can see the result of keeping boilers, pumps, compressors, and controls running correctly.
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There are about 3.8 thousand annual openings, which means steady replacement hiring even though growth is only 2.2%.
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Experience with safety codes, maintenance routines, and plant systems can open the door to senior operator or chief engineer roles.
Challenges
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Growth is only 2.2% from 2024 to 2034, so this is a stable job but not a fast-growing one.
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The ladder can be narrow: once you reach senior operator or chief engineer, advancement often means supervision instead of a much bigger jump in pay.
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Work is often tied to nights, weekends, and on-call coverage because heating and steam systems cannot just be turned off after hours.
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The job can be physically demanding and risky, with hot equipment, high-pressure systems, moving parts, and confined spaces.
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More automated building controls and centralized monitoring can reduce the number of on-site positions over time, especially in newer facilities.
Career Progression
Utility Plant Trainee
0-2 years
$42K-$55K
Learns safety rules, takes readings, helps with rounds, and supports more experienced operators.
Stationary Engineer / Boiler Operator
2-6 years
$66K-$84K
Runs boiler and support systems on a regular shift, keeps equipment stable, and handles routine troubleshooting.
Senior Stationary Engineer THIS ROLE
6-12 years
$85K-$101K
Takes on complex repairs, startup and shutdown work, and training for newer operators.
Chief Engineer / Plant Supervisor
12+ years
$102K-$128K
Oversees plant operations, sets procedures, manages compliance, and coordinates staffing and maintenance planning.
Education Paths
Post-Secondary Certificate
The most common path, held by 47.15% of workers, usually in industrial maintenance, HVAC, or boiler operations.
High School Diploma or Equivalent
A large share of workers, 37.8%, start with a high school diploma and then build skills through long-term on-the-job training.
Associate's Degree in Industrial Maintenance or HVAC
A smaller route, used by 10.52% of workers, and often helpful for learning controls, safety, and mechanical systems.
Employer Apprenticeship or Long-Term On-the-Job Training
Some workers enter through direct hire and learn on the job; the BLS lists long-term on-the-job training as the usual training route for this occupation.
Key Skills
Technical
Operations Monitoring 75%
Operation and Control 60%
Equipment Maintenance 56%
Repairing 56%
Troubleshooting 56%
Boiler Controls, Valves & Steam Systems 54%
HVAC, Pumps & Compressor Systems 53%
Maintenance Logs, Instrument Readings & CMMS 50%
Soft Skills
Attention to DetailSafety AwarenessCritical ThinkingClear CommunicationProblem SolvingCalm Under Pressure Job Outlook and Trends
+2.2%
Projected growth (2024-2034)
3.8K
Annual job openings
Employment is projected to rise from 33.3K to 34 K over the next decade, representing 2.2% growth. Around 3.8 K openings per year include both newly created roles and replacement hiring from turnover.
Remote availability is currently Rare. Demand remains strongest where employers need practical domain knowledge plus modern workflow and data skills.