Maintenance Mechanic
Federal headcount, average salary, length of service, and pay comparison for the Maintenance Mechanic occupation series (code 4749), drawn directly from the OPM FedScope dataset (March 2025).
The verdict
With 10,702 employees (0.5% of the federal civilian workforce), Maintenance Mechanic ranks as a mid-sized federal occupation within the General Maintenance and Operations Work Family family, and headcount declined 7.0% from the prior period. Its average salary of $73,128 pays below the $109,869 federal average.
- Employees
- 10,702
- Share of workforce
- 0.5%
- Avg salary
- $73,128
- Avg tenure
- 11 yrs
What the Numbers Say About Maintenance Mechanic
0.5% of the federal civilian workforce (2,289,472 employees total, March 2025) works in the Maintenance Mechanic occupation (OPM code 4749): 10,702 people, headcount down -7.0% versus the prior period, a useful gauge for job seekers on USAJOBS trying to assess whether this role is expanding government-wide or contracting under hiring freezes and attrition.
The average salary for Maintenance Mechanic is $73,128 per year, placing it 33.4% below the overall federal civilian average of $109,869. Salaries moved up by 3.2% from the prior period, a broad shift as locality pay tables and grade-level adjustments moved through the workforce. Average length of service in this role is 11 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.
The General Maintenance and Operations Work Family family (code 47) groups Maintenance Mechanic together with 9 other related occupations across the federal government. Candidates browsing USAJOBS for Maintenance Mechanic postings should also review these sibling occupations, since federal hiring managers often cross-post positions across closely related codes when recruitment is difficult. All figures here come directly from OPM FedScope Employment Cubes, the same official source referenced in federal workforce planning, budget justifications, and GAO reports.
Inside the General Maintenance and Operations Work Family family (10 occupations, 16,562 employees combined), Maintenance Mechanic holds the #1 spot by headcount, a 64.6% share of the family total. Its average salary ranks in the bottom half (10th percentile) of pay among General Maintenance and Operations Work Family occupations.
Employees
10,702
-7.0% from prior period
Average Salary
$73,128
+3.2%
Avg Length of Service
11 yrs
Occupation Family
General Maintenance and Operations Work Family
Salary Context
How Maintenance Mechanic pay compares to the federal average of $109,869
Occupation Average
$73,128
Federal Average
$109,869
vs. Federal Avg
-33.4%
Where Maintenance Mechanic ranks on federal pay
Its average salary of $73,128 is higher than 34% of federal occupation series (214 of 634). The highlighted bar marks where Maintenance Mechanic sits in the federal pay distribution.
Average-salary distribution across all 634 federal occupation series; Maintenance Mechanic ranks higher than 34%.
Related Occupations in General Maintenance and Operations Work Family
9 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Misc General Maintenance & Operations Work | 2,672 | $98,959 | 15.4 yrs |
| Utility Systems Repairing-Operating | 2,083 | $83,503 | 11.8 yrs |
| Cemetery Caretaking | 730 | $60,398 | 5.5 yrs |
| General Equipment Mechanic | 170 | $73,538 | 14.1 yrs |
| Model Making | 102 | $92,925 | 13.6 yrs |
| Boat Building and Repairing | 38 | $75,581 | 11.3 yrs |
| General Equipment Operating | 34 | $76,048 | 17 yrs |
| Exhibits Making/modeling | 20 | $76,180 | 12.6 yrs |
| Research Laboratory Mechanic | 11 | $76,236 | 12.4 yrs |
Frequently Asked Questions
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Data Source: U.S. Office of Personnel Management (OPM) FedScope Employment Cubes, March 2025. Federal civilian non-seasonal full-time and part-time employees. Data does not include military personnel, postal workers, or intelligence agency staff. Last updated: 2026-03-10.
Read our methodology - how this data is sourced, computed, and verified.
PlainGovJobs is rendered directly from OPM FedScope federal-workforce data, no number is typed in by an editor. This page draws directly on OPM FedScope occupation-level employment records. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.