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Navy Enlisted Rating (Job) Descriptions and Qualification Factors

Engineman (EN)

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Enginemen (ENs) operate, service and repair internal combustion engines used to power some of the Navy's ships and most of the Navy's small craft. Most enginemen work with diesel engines. Enginemen also operate and maintain electrohydraulic controllable pitch propeller systems and steering engines, refrigeration and air conditioning systems, air compressors, desalinization plants and small auxiliary boilers. Enginemen perform their duties in surface ships.

The duties performed by ENs include:

  • aligning fuel, water and air piping systems and controlling operation of diesel engines used for ship and small craft propulsion, and to generate electrical power;
  • cleaning, lubricating, adjusting, testing and performing other preventive maintenance on diesel engines, reduction gears, air compressors, hydraulic or pneumatic clutches, steering engines and controllable pitch propeller systems;
  • operating and maintaining desalinization plants used to make fresh water from sea water;
  • operating and servicing refrigeration plants and air conditioning systems;
  • repairing or replacing valves, pumps, compressors, heat exchangers and control devices used with diesel engines and gas turbines; making entries into and analyze machinery operating records and reports.

Working Environment

Enginemen work in engine rooms or shops which, at times, may be warm and noisy. They may also work outdoors aboard small craft. The work performed is sometimes physical. Although enginemen often work closely with others, they may also be required to work alone with limited supervision.

A-School (Job School) Information

Great Lakes, IL -- 8 weeks

ASVAB Score Requirement: VE + AR + MK + AS = 195 or VE + AR + MK + AO = 200

Security Clearance Requirement: None

Other Requirements

Normal hearing required. Frequencies: 3000hz 4000hz 5000hz 6000hz Average hearing threshold level in these four frequencies must be less than 30db, with no level greater than 45db in any one frequency. If hearing level exceeds these limits, the applicant is enlistment ineligible for the rating.

Sub-Specialties Available for This Rating: Navy Enlisted Classification Codes for EN

Current Manning Levels for This Rating: CREO Listing

Note: Advancement ( promotion ) opportunity and career progression are directly linked to a rating's manning level (i.e., personnel in undermanned ratings have greater promotion opportunity than those in overmanned ratings).

Sea/Shore Rotation for This Rating

  • First Sea Tour: 60 months
  • First Shore Tour: 36 months
  • Second Sea Tour: 60 months
  • Second Shore Tour: 36 months
  • Third Sea Tour: 48 months
  • Third Shore Tour: 36 months
  • Fourth Sea Tour: 48 months
  • Forth Shore Tour: 36 months

Note: Sea tours and shore tours for sailors that have completed four sea tours will be 36 months at sea followed by 36 months ashore until retirement.

This is a sea-intensive community. Manning conditions at sea may require the need to request sea tour extension or shore tour curtailments to ensure all sea duty billets are filled.

Much of the above information courtesy of the Navy Personnel Command

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