Stationary Engineer (public facilities) in Illinois

Sources: Illinois Department of Central Management Services, Illinois CMS Alphabetic Index of Position Titles (FY 2027, effective July 1, 2026, corrected edition); U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates. Data captured September 30, 2026.

Illinois state pay plan Sourced

Published rates for each class, lowest first. These are the ranges Illinois sets for its own state employees; cities, counties and school districts have their own pay plans.

Rates are as the plan publishes them; "a year" figures are conversions. Classes are matched to this job by title (GovJobsWiki editorial rule).

Source: Illinois Department of Central Management Services, Illinois CMS Alphabetic Index of Position Titles (FY 2027, effective July 1, 2026, corrected edition). Data captured September 30, 2026.

Pay in Illinois, all employers Sourced

Stationary Engineers and Boiler Operators (SOC 51-8021) in Illinois, all employers combined: BLS state estimates do not separate government from private.

Sources: U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — state estimates; U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025 — national estimates by ownership. Data captured September 30, 2026.

Free practice tests for Illinois

• Stationary Engineer Boiler Operator
  Entrance or licensing exam · free on Open Exam Prep

Source: Open Exam Prep, Open Exam Prep free practice tests. Data captured October 1, 2026. Each link was opened and its exam title checked on the date shown.

More about this job

Requirements, hiring process, training, schedule and day-to-day work are on the national Stationary Engineer (public facilities) page.

Stationary Engineer (public facilities) in other states