Stationary Engineers and Boiler Operators

O*NET 51-8021.00 · SOC 51-8021

Stationary Engineer is a solid career choice. Median pay is $79k a year with +3.1% projected growth through 2035 (about as fast as average) and about 3,200 openings a year. AI exposure: Elevated.

Bureau of Labor Statistics projections 2025–2035 · Data updated 2026-07-27

Projected Growth
+3.1%
2025–2035
Median Salary
$79k
BLS OEWS, May 2025
Annual Openings
3k
positions/year
Education Level
Zone 3
Medium preparation needed (vocational or associate's)

What You'd Actually Do

  • →Monitor boiler pressure gauges and adjust steam output accordingly
  • →Treat boiler feedwater with chemicals to prevent scale buildup
  • →Perform blowdowns to remove sediment from boiler water
  • →Inspect burners, valves, and fittings for leaks or wear
  • →Start and shut down heating and cooling systems seasonally

Education & How to Get In

📋
Job Zone 3
Medium preparation needed (vocational or associate's)

Most Stationary Engineer positions require an associate degree or vocational training. Many community colleges and technical schools offer relevant programs that can be completed in 1–2 years, often with hands-on clinical or lab experience built in.

See 50+ more jobs without a degree, ranked by growth →

Get Started Learning

Ready to start building skills for a career as a Stationary Engineer? These platforms offer courses you can start today, many with free trials or financial aid.

Coursera
University-backed courses and certificates
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Udemy
Affordable self-paced courses from $12.99
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Skillshare
Creative and professional skill classes
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LinkedIn Learning
Professional development with certificates
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Work Environment

Primary Setting

Hands-on, labs, workshops, or field sites

Work Style

Mixed, alternates between solo focused work and collaboration

A Day in the Life

While every role varies by employer and specialization, a typical day as a Stationary Engineer involves a mix of core responsibilities:

MorningMonitor boiler pressure gauges and adjust steam output accordingly
MiddayTreat boiler feedwater with chemicals to prevent scale buildup
AfternoonPerform blowdowns to remove sediment from boiler water

Personality Fit (RIASEC)

Realistic (Doers)7.0
Conventional (Organizers)4.4
Investigative (Thinkers)3.2
Enterprising (Persuaders)1.2
Social (Helpers)1.1
Artistic (Creators)1.0

Who Thrives as Stationary Engineer?

Based on the interests and work style this role actually demands, these personality types tend to fit it best. Salary and growth tell you if a career is worth entering; personality fit tells you whether you'll still want it in five years.

ISTPThe CraftspersonISTJThe InspectorESTJThe OrganizerESTPThe Dynamo

Not sure which you are? Take the 7-minute quiz →

See Open Stationary Engineer Roles

Browse live openings to get a feel for requirements and pay in your area.

Indeed ↗LinkedIn Jobs ↗ZipRecruiter ↗

Similar Careers

Industrial Machinery Mechanics+17.8%Farm Equipment Mechanics and Service Technicians+10.7%Control and Valve Installers and Repairers, Except Mechanical Door+4.3%Electronic Equipment Installers and Repairers, Motor Vehicles-14.5%Mobile Heavy Equipment Mechanics, Except Engines+6.7%Chemical Equipment Operators and Tenders+3.6%Drilling and Boring Machine Tool Setters, Operators, and Tenders, Metal and Plastic-9.5%Electric Motor, Power Tool, and Related Repairers+4.4%

Explore More Careers

Best Technology Careers →Best Trades & Skilled Labor Careers →Browse all careers →

Job Outlook

Employment of Stationary Engineers and Boiler Operators is projected to grow 3.1% from 2025 to 2035, about as fast as average for all occupations.

Will AI Replace This Job?

46/100Elevated disruption risk
  • ·38% routine cognitive tasks, high automation target
  • ·47% physical tasks, limited by robotics progress

Scored from the mix of routine, creative, physical and social tasks the role involves, adjusted for sector and projected growth. An estimate, not a forecast.

Common Questions

How much does a Stationary Engineer make?

The median Stationary Engineer earns $79k a year, according to the Bureau of Labor Statistics' May 2025 wage data. Half earn more than that and half earn less, and pay varies considerably by state, industry and experience.

Will AI replace Stationary Engineer jobs?

Our model puts Stationary Engineer at 46 out of 100 for automation exposure, which is elevated disruption risk. The main drivers: 38% routine cognitive tasks, high automation target; 47% physical tasks, limited by robotics progress.

Is Stationary Engineer a growing field?

Employment is projected to grow 3.1% between 2025 and 2035, which is about as fast as average. That works out to roughly 3,200 openings a year, counting both new positions and people leaving the occupation.

What degree do you need to be a Stationary Engineer?

Most Stationary Engineer roles expect an associate degree, apprenticeship or vocational certificate rather than a four-year degree.

How long does it take to become a Stationary Engineer?

Typically one to two years, typically an associate degree, apprenticeship or vocational program. O*NET classes this role as Job Zone 3 of 5, which describes how much preparation people in it usually have.

Is a Stationary Engineer career right for you?

Your personality, values, and strengths matter as much as the job market. Take the quiz to see your personalized Future-Fit Score for this career and hundreds more.

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