Marine Machinery Mechanic

What the Numbers Say About Marine Machinery Mechanic

Federal agencies employ 2,954 people in the Marine Machinery Mechanic occupation (OPM code 5334), accounting for 0.1% of the total federal civilian workforce of 2,289,472 for the March 2025 reporting window. Headcount in this occupation moved down by -1.4% versus the prior period, a modest but trackable signal for anyone considering this specialized federal career path.

The average salary for Marine Machinery Mechanic is $79,764 per year, placing it 27.4% below the overall federal civilian average of $109,869. Salaries moved up by 2.8% 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 8.6 years, a mid-length average tenure, reflecting a mix of career employees and those who transfer or exit mid-career.

The Industrial Equipment Maintenance Family family (code 53) groups Marine Machinery Mechanic together with 10 other related occupations across the federal government. Candidates browsing USAJOBS for Marine Machinery 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.

Within the Industrial Equipment Maintenance Family family, Marine Machinery Mechanic is the single largest occupation by headcount, accounting for 27.8% of the family's combined 10,607 employees. Its average salary ranks in the bottom half (45th percentile) of pay among Industrial Equipment Maintenance Family occupations.