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Posted: January 21, 2026 (1 day ago)

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MARINE MACHINERY MECHANIC

Commander, Navy Installations Command

Department of the Navy

Fresh

Salary

$35.90 - $41.99

per hour

Closes

April 21, 2026More Navy jobs →

Job Description

Summary

This job involves fixing and maintaining engines and machinery on Navy vessels, such as propulsion systems, pumps, generators, and firefighting equipment, often by troubleshooting issues, overhauling parts, and using tools to ensure everything runs smoothly.

It's a hands-on role for someone who enjoys working on boats and mechanical systems in a naval setting.

A good fit would be an experienced mechanic with a background in marine or heavy equipment repair who can work independently without much oversight.

Key Requirements

  • Ability to repair, overhaul, and install marine engines and equipment like propulsion machinery, auxiliary generators, pumps, compressors, and firefighting systems without more than normal supervision
  • Experience using test equipment such as compression gauges, timing gauges, manometers, and injection testing machines to diagnose and fix worn or maladjusted components
  • Skill in inspecting and cleaning mechanical systems on marine craft, including brakes, electrical systems, fuel injection systems, plugs, and carburetors
  • Proficiency in making adjustments to valve lash, injector timing, fuel and control settings
  • Knowledge of repairing and adjusting water, sewage, and hydraulic piping systems, including controls, relief valves, pipes, and fittings
  • Experience disassembling engines, grinding and refacing valves and main bearings
  • Familiarity with using precision instruments like micrometers, feeler gauges, and dial indicators to assess parts and components

Full Job Description

This is a public notice flyer to notify interested applicants of anticipated vacancies. Applications will not be accepted through this flyer.

Interested applicants must follow the directions in the "How to Apply" section of this flyer to be considered. There may or may not be actual vacancies filled from this flyer.

Notice of Result letters will not be sent to applicants who respond to this flyer.

Although a specific length of time and experience is not required for most trade and labor occupations, you must show through experience and training that you possess the quality level of knowledge and skill necessary to perform the duties of the position at the level for which you are applying.

Qualification requirements emphasis is on quality of experience, not necessarily the length of time.

Your qualifications will be evaluated on the basis of your level of knowledge, skills, abilities and/or competencies in the job elements and screen out listed below.

This job has a screen-out element which will be used to determine minimum eligibility for this job.

The Screen-out Element for this position is: The ability to perform the work of a Marine Machinery Mechanic without more than normal supervision as demonstrated by the following: 1) Repairing, overhauling and installing marine engines and equipment such as propulsion machinery, auxiliary generators, pumps, compressors and fire fighting machinery on a variety of marine craft.

2) Using test equipment such as compression gauges, timing gauges, manometers, and injection testing machines to locate and repair worn, dirty or maladjusted components and parts; 3) Using checklists to inspect and clean mechanical systems on marine craft including brakes, electrical systems, fuel injection systems, plugs and carburetors; 4) Making adjustments to valve lash, injector timing, and fuel and control settings.

(NOTE: Your answer must be supported by information in your resume.) Applicants must meet the requirements of the Office of Personnel Management (OPM) Job Qualification Handbook for Trades and Labor Occupations.

Additional qualification information can be found at: https://www.opm.gov/policy-data-oversight/classification-qualifications/federal-wage-system-qualifications/#url=Overview Experience refers to paid and unpaid experience, including volunteer work done through National Service programs (e.g., professional, philanthropic, religious, spiritual, community, student, social).

Volunteer work helps build critical competencies, knowledge, and skills and can provide valuable training and experience that translates directly to paid employment. Major Duties:

  • You will perform work involved in troubleshooting, repairing, overhauling, and installing marine engines and other equipment such as propulsion machinery and auxiliary generators, pumps, compressors, and firefighting machinery on vessels.
  • You will repair and adjust water and sewage systems, hydraulic piping systems, with components such as controls, relief valves, and a variety of pipes and fittings.
  • You will disassemble engines, grinds and reface valves and main bearings.
  • You will be responsible for general upkeep of engines and associated machinery and auxiliary generators, pumps, compressors and firefighting machinery on vessels.
  • You will use micrometers, feeler gauges, dial indicators and other precision instruments, determines condition and serviceability of parts and components

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Posted on USAJOBS: 1/21/2026 | Added to FreshGovJobs: 1/21/2026

Source: USAJOBS | ID: DE-12868694-26-LGP