Marine Machinery Mechanic
Everything OPM FedScope (June 2026) reports about the Marine Machinery Mechanic occupation series (code 5334): headcount, average salary, length of service, and pay comparison.
The verdict
With 2,930 employees (0.2% of the federal civilian workforce), Marine Machinery Mechanic ranks as a smaller, specialized federal occupation within the Industrial Equipment Maintenance Family family, and headcount edged up from the prior period. Its average salary of $82,216 pays below the federal average.
- Headcount change
- +0.5%
- Pay change
- +0.6%
- Avg tenure
- 9.9 yrs
- Rank in family
- #1 of 12
FedScope read on Marine Machinery Mechanic (dense series)
On pay, the move between reporting periods was a modest shift, consistent with routine locality pay and grade-level movement. On length of service, this series shows a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career. Headcount moved up versus the prior period, a modest but trackable signal for anyone considering this specialized federal career path.
The Industrial Equipment Maintenance Family family (code 53) groups Marine Machinery Mechanic together with 11 other related occupations across the federal government. Candidates browsing USAJOBS for Marine Machinery Mechanic postings should also review these sibling occupations in the Industrial Equipment Maintenance Family family. The Industrial Equipment Maintenance Family family totals 9,873 employees, and Marine Machinery Mechanic accounts for 29.7% of them. Its average salary ranks in the top half (64th percentile) of pay among Industrial Equipment Maintenance Family occupations.
Salary Context
How Marine Machinery Mechanic pay compares to the federal average
Occupation Average
$82,216
Federal Average
$117,339
vs. Federal Avg
-29.9%
Where Marine Machinery Mechanic ranks on federal pay
Marine Machinery Mechanic earns more on average than 39% of federal occupation series (210 of 541). The highlighted bar marks where Marine Machinery Mechanic sits in the federal pay distribution.
Average-salary distribution across all 541 federal occupation series; the highlighted bar marks Marine Machinery Mechanic.
Related Occupations in Industrial Equipment Maintenance Family
10 other occupations in the same family
| Occupation | Employees | Avg Salary | Avg LOS |
|---|---|---|---|
| Air Conditioning Equipment Mechanic | 2,341 | $81,732 | 10.7 yrs |
| Powered Support Systems Mechanic | 1,423 | $79,568 | 12.1 yrs |
| Industrial Equipment Mechanic | 1,058 | $110,522 | 14.6 yrs |
| Misc Industrial Equipment Maintenance | 846 | $96,979 | 14.3 yrs |
| Production Machinery Mechanic | 562 | $80,047 | 12.8 yrs |
| Lock and Dam Repairing | 430 | $121,526 | 16.1 yrs |
| Heating & Boiler Plant Equipmt Mechanic | 232 | $79,114 | 12.5 yrs |
| Laundry & Dry Cleaning Equipmt Repairing | 22 | $79,576 | 17.9 yrs |
| Oiling and Greasing | 19 | $69,636 | 14.7 yrs |
| Elevator Mechanic | 7 | $81,184 | 20.2 yrs |
Nationwide peers near this dense headcount
Two peer sets for Marine Machinery Mechanic outside the Industrial Equipment Maintenance Family family, on headcount and average salary axes that vary across all OPM occupation series.
Similar dense headcount
Nearest employee counts in other occupation families (2,930 here).
Similar average salary
Nearest average salaries in other occupation families ($82,216 here).
Key takeaways
- Place Marine Machinery Mechanic pay in context with the pay-rank chart above, then compare it with another occupation.
- Turn an average salary into a grade: the GS pay grade tables show how grades and steps map to pay.
- Browse the Industrial Equipment Maintenance Family family occupations in the table above, or search current Marine Machinery Mechanic postings on USAJOBS.
OPM FedScope and Federal Workforce Data figures are federal civilian headcounts, average salaries, and length-of-service statistics - not job-quality scores, hiring advice, or a live vacancy listing. A larger or higher-paid agency is not a better employer.