Job Family: Mechanic and Repair Technologists and Technicians Marine Engine Mechanics
Services Offering this Occupation
Army  | Navy  | Marine Corps  | Coast Guard  | National Guard

Supplemental Information
Profile  |  Career Path
Photo 1: Mechanic works on air compressor. Photo 2:
Mechanics complete inspection.

George Monch
Occupation: Marine Engine Mechanic

I grew up in Cape May, NJ, home of the Coast Guard Training Center. My love for the sea and familiarity with the Coast Guard directed me toward a C…

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Short Description
The military operates many types of watercraft from small motor launches to large ships. Many of these vessels are powered by gasoline or diesel engines. Marine engine mechanics repair and maintain gasoline and diesel engines on ships, boats, and other watercraft. They also repair shipboard mechanical and electrical equipment.


What They Do
Marine engine mechanics in the military perform some or all of the following duties:
  • Repair and maintain shipboard gasoline and diesel engines
  • Locate and repair machinery parts, including valves and piping systems
  • Repair ship propulsion machinery
  • Repair and service hoisting machinery and ship elevators
  • Repair refrigeration and air conditioning equipment on ships
  • Repair engine-related electrical systems
  • Operate, maintain, and repair auxiliary equipment, and outside machinery, such as: food preparation equipment, windlasses, and laundry equipment
  • Operate and maintain marine boilers, pumps, forced draft blowers, and heat exchangers
  • Perform test, transfers, and inventory of lubricating oils, fuels, and water

Helpful Attributes
Helpful school subjects include shop mechanics. Helpful attributes include:
  • Ability to use hand and power tools
  • Interest in fixing engines, machinery and auxiliary equipment
  • Preference for doing physical work

Training Provided
Job training consists of classroom instruction, including practice in marine engine maintenance and repair. Training length varies depending on specialty. Further training occurs on the job and through advanced courses. Course content typically includes:
  • Internal combustion engine theory
  • Repair of shipboard electronic and electrical machinery systems
  • Service and repair of fuel injection systems
  • Use and care of hand and power tools

Work Environment
Marine engine mechanics work aboard ships, normally in the engine or power rooms. Sometimes they work in repair centers on land bases. Working conditions in engine rooms tend to be noisy and hot.


Civilian Counterparts
Civilian marine engine mechanics work in many industries, including marine transportation, commercial fishing, and oil exploration and drilling. They perform duties similar to military marine engine mechanics.

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