Stationary Engineers and Boiler Operators
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Overview
Operate or maintain stationary engines, boilers, or other mechanical equipment to provide utilities for buildings or industrial processes. Operate equipment such as steam engines, generators, motors, turbines, and steam boilers.
Titles for this career often contain these words
OperatorEngineerBoilerPlantAirStationaryPowerSteamFiremanEnginePumpHeatingPressureCompressorConditioningWorkerVentilationLowFirerHousePowerhouseCoolingDieselFanMechanicAttendantTenderOperatingUtilitiesStationTurbineTurboWatchWaterAuxiliaryBlowingRoomTechnicianBreakerBuildingByproductSystemTowerDredgeEnginemanExhaustExhausterRunnerGasVentilatingOperatorsHVACHighHumidifierMarineCombustionPlugmanPumpingRefrigeratingRefrigerationRetortTankFarmThermalSystemsElectricPumper
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Responsibilities and activities

Stationary engineers and boiler operators typically do the following:

  • Operate engines, boilers, and auxiliary equipment
  • Read gauges, meters, and charts to track boiler operations
  • Monitor boiler water, chemical, and fuel levels
  • Activate valves to change the amount of water, air, and fuel in boilers
  • Fire coal furnaces or feed boilers, using gas feeds or oil pumps
  • Inspect equipment to ensure that it is operating efficiently
  • Check safety devices routinely
  • Record data and keep logs of operation, maintenance, and safety activity

Most large commercial facilities have extensive heating, ventilation, and air-conditioning systems that maintain comfortable temperatures all year long. Industrial plants often have additional facilities to provide electrical power, steam, or other services. Stationary engineers and boiler operators control and maintain boilers, air-conditioning and refrigeration equipment, turbines, generators, pumps, and compressors.

Stationary engineers and boiler operators start up, regulate, repair, and shut down equipment. They monitor meters, gauges, and computerized controls to ensure that equipment operates safely and within established limits. They use sophisticated electrical and electronic test equipment to service, troubleshoot, repair, and monitor heating, cooling, and ventilation systems.

Stationary engineers and boiler operators also perform routine maintenance. They may completely overhaul or replace defective valves, gaskets, or bearings. In addition, they lubricate moving parts, replace filters, and remove soot and corrosion that can make a boiler less efficient.

Salary
Median salary: $64,680 annually
Half of those employed in this career earn between $52,650 and $81,390.
$65K$0$20K$40K$60K$80K$100K$120K
Context: Median Salary
How do salaries for this career compare to other jobs' salaries?
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Salary growth for stationary engineers and boiler operators
Is this job likely to reward you for sticking with it through pay raises and promotions? The higher a job’s “experience quotient,” the more you are likely to get as you stay there.
Experience quotient percentile
Take a minute to look at how much you might expect your salary to increase with each five years' experience, as well as how the numbers working at each age change. Does this seem to be a job for the young or the old, or could it be a career offering steady salary growth for many years?
Salary distribution
$62K$63K$61K$64K$47K$55K$29K$53K$62K$0$20K$40K$60K$80K$100K$120K20-2425-2930-3435-3940-4445-4950-5455-5960-64
Number employed
05K10K15K20K20-2425-2930-3435-3940-4445-4950-5455-5960-64
About Stationary Engineers and Boiler Operators
How do benefits for this career compare to other jobs? The availability of health care, especially employer provided health care, and pension plans can add significantly to the value of compensation you receive in a career. These charts compare how this career compares to other careers with regard to health care and pension plans.
Employee has health insurance
Employer is providing health insurance
Employer-provided pension plan is available
Worker concerns
Some jobs are more stressful than others, and some are just plain dangerous. The following list gives the percentages of stationary engineers and boiler operators who report hazardous or difficult situations typically occurring at least once a week.
  • Exposed to Contaminants (100%)
  • Hazardous Conditions (91%)
  • Minor Burns, Cuts, Bites (89%)
  • Responsible for Others' Health (76%)
  • High Places (74%)
  • Consequence of Error (73%)
  • Hazardous Equipment (71%)
  • Time Pressure (61%)
  • High Conflict Frequency (48%)
  • Unpleasant or Angry People (33%)
SOURCES:
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Injury and Illness
About 81 stationary engineers and boiler operators become injured or ill for every 10,000 workers, making this job more dangerous than 77% of other careers. The most common specific illnesses or injuries are detailed following.
Bruises and contusions
Sprains, strains, tears
Fractures
Education pathways to this career
Education attained by stationary engineers and boiler operators
According to the Bureau of Labor Statistics (BLS), stationary engineers and boiler operators typically hold a high school diploma or equivalent.
Sometimes the typical education identified by the BLS differs a bit from the reality of the how much education current workers actually have. The donut shows the education level held by people currently working as stationary engineers and boiler operators as reported in responses to the American Community Survey.
Details: Education and training recommended for stationary engineers and boiler operators

Stationary engineers and boiler operators need at least a high school diploma. Students should take courses in math, science, and mechanical and technical subjects.

With the growing complexity of the work, vocational school or college courses may benefit workers trying to advance in the occupation.

Details: Licensing and certification recommended for stationary engineers and boiler operators

Some state and local governments require licensure for stationary engineers and boiler operators. These governments typically have several classes of stationary engineer and boiler operator licenses. Each class specifies the type and size of equipment the engineer is permitted to operate without supervision. Many employers require stationary engineers and boiler operators to demonstrate competency through licenses or company-specific exams before they are allowed to operate the equipment without supervision.

A top-level engineer or operator is qualified to run a large facility, supervise others, and operate equipment of all types and capacities. Engineers and operators with licenses below this level are limited in the types or capacities of equipment they may operate without supervision.

Applicants for licensure usually must meet experience requirements and pass a written exam. In some cases, employers may require that workers be licensed before starting the job. A stationary engineer or boiler operator who moves from one state or city to another may have to pass an examination for a new license because of regional differences in licensing requirements.

Education level of Stationary Engineers and Boiler Operators
Only 14% of stationary engineers and boiler operators have a bachelor's degree or higher.
Education attained by stationary engineers and boiler operators
None
High School
Some College
Associate's Degree
Bachelor's Degree
Master's Degree
Professional Degree
Doctorate
Where are the jobs
State-by-state employment numbers
Some careers tend to be centered in specific parts of the country. For example, most jobs in fashion are in New York or California. Let's see if your dream job is easy to find in your dream location! We have a few choices for viewing the data that can help you get a full employment picture.
Select a state to see local area details
Number of Stationary Engineers and Boiler Operators per 1,000 workers (ACS)
AKMEWIVTNHWAIDMTNDMNILMINYMAORUTWYSDIAINOHPANJCTRICANVCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
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Job density versus job count
Which states hire the most stationary engineers and boiler operators? We wonder if that's a fair question since states come in all sizes, so instead let's start with the question of which states have the highest density of people working as stationary engineers and boiler operators. You can choose to view the number of jobs per state if you prefer.
Salaries by state
Let's get a feel for where stationary engineers and boiler operators earn the highest salaries. There are several choices for which data we consider and how we view that data, and each can lead to different conclusions, so please read on...
Median salary versus state ratio
We use two methods to compare salaries across states:
  • In-state comparisons: the ratio of median (middle) salaries for stationary engineers and boiler operators compared to the median salary for all people working in each state, or
  • Median salary: the unaltered median salaries for stationary engineers and boiler operators.
We hope the ratio allows perspective about how salaries may compare to the regional cost-of-living.
The darkest shading corresponds to states in which stationary engineers and boiler operators earn the highest salary when compared to other jobs in the state. We think this figure might be a better indicator than the actual salary for your buying power as a state resident.
Select a state to see local area details
Location-adjusted median salary for Stationary Engineers and Boiler Operators (ACS)
AKMEWIVTNHWAIDMTNDMNILMINYMAORUTWYSDIAINOHPANJCTRICANVCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
Employment
3% of Stationary engineers and boiler operators are working part time.
We’ve found that some jobs have a huge number of part-time workers, and typically that is because they are unable to find full-time work or the job itself can’t provide full-time hours. With 3% part-time workers, this occupation has a lower percentage of part-time workers than 89% of careers.
3%0%20%40%60%80%100%
Employer types
This donut shares the break-down of workers by employer type, giving us a picture of what employers most typically hire for this career.
Employers of undefined (ACS)
Private for-profit
Private not-for-profit
Local government
State government
Federal government
Self-employed incorporated
Self-employed not incorporated
Working without pay
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Distribution: Salaries of stationary engineers and boiler operators by type of employer
Here are the salary distributions based on employer type.
$59K$61K$59K$53K$59K$51K$0$20,000$40,000$60,000$80,000$100,000$120,000Federal governmentState governmentLocal governmentPrivate not-for-profitPrivate for-profitAll
Gender
Stationary engineers and boiler operators and gender
With 3% women, this occupation has a lower percentage of women than 91% of careers.
Gender of Stationary engineers and boiler operators
Men (97%)
Women (3%)
Distribution: salaries by gender
Does gender greatly influence your salary in this career? The closer the bars are, the less discrepancy there is.
$54K$59K$0$100K$200K$300KWomenMen
We only include salary data when the survey error is less than 20%, so you may see only partial information for some categories.
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Context: Women in the workforce
How does this career compare to other careers with regard to the percentage of women in the career.
3%0%20%40%60%80%100%
Context: Salary inequity
The median salary for all full-time male workers in the US exceeds the full-time median salary for women by 19%. The situation is a little better for stationary engineers and boiler operators, with the median salary for men 9% higher than the median salary for women.
9%0%20%40%60%80%100%
Race/Origin
Race and origin of Stationary engineers and boiler operators
This donut shows the distribution of race and origin among those employed as Stationary engineers and boiler operators.
Race/origin of stationary engineers and boiler operators
White (75% )
Black (12% )
Asian (4% )
Other (4% )
Multiracial (2% )
Hispanic (1% )
American Indian (1% )
Pacific Islander (0% )
Distribution: salaries by race/origin
Some careers might have a pay disparity based on race or origin, the closer the below bars are the less of a discrepancy is present.
$51K$58K$61K$61K$73K$0$20K$40K$60K$80K$100K$120KBlackMultiracialOtherWhiteAsian
We only include salary data when the survey error is less than 20%, so you may see only partial information for some categories.