Marine Machinery Mechanic federal salary series 5334
Full-time federal employees in the Marine Machinery Mechanic series earned a median of $84,555 in annualized adjusted basic pay in September 2026, 23% below the all-federal median of $109,641. The middle half earned between $74,073 and $92,225.
What shapes marine machinery mechanic pay
The most common grade with published pay is WG-10 (1,016 employees, median $83,699). The largest employer of this series with published pay is the Department of Homeland Security (100 employees). Federal pay depends mostly on grade and step, plus a locality adjustment for where the job is located; see the GS pay scale explainer.
OPM withheld pay for 95% of employees in this series. The figures here describe only employees with published pay; withholding is concentrated in certain agencies (see data coverage).
Marine Machinery Mechanic pay by grade
Grades with at least 30 full-time employees with published pay. GS grades are listed first; other pay plans follow.
| Pay plan–grade | Employees | Median pay |
|---|---|---|
| WG-10 | 1,016 | $83,699 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Marine Machinery Mechanic pay by agency
| Agency | Employees | Median pay |
|---|---|---|
| Department of Homeland Security | 100 | $84,628 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Marine Machinery Mechanic pay by state
The 1 states with the most employees in this series and published pay.
| State | Employees | Median pay |
|---|---|---|
| Maryland | 49 | $84,628 |
middle 50% (25th–75th percentile) 10th–90th percentile median all-federal median ($109,641)
Change since September 2025
The median moved +7.5% from $78,680 in September 2025 to $84,555 in September 2026. Headcount went from 2,914 to 2,914 (±0.0%). A change in the median reflects both pay adjustments and who joined or left the workforce, so it is not the same as a pay raise.