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Navy Enlisted Job Descriptions & Qualifications
Engineman (Advanced Technical Field Field) EN
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General Info: Enginemen 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. Active duty obligation is six years. Applicants will enlist for four years and concurrently execute an agreement to extend their enlistment for 24 months. Enlistee enters as an E-1 (fireman recruit). Advancement to E-2 (fireman apprentice) will be made after successful completion of recruit training. Advancement to paygrade E-3 will be made after completion of all advancement-in-rate requirements (including minimum time in rate). Advancement to paygrade E-4 (petty officer third class) will be made after successful completion of initial school training and after all advancement-in-rate requirements (including minimum time in rate) are completed. Advancement to E-3 and E-4 is contingent upon maintaining eligibility in the Advanced Technical Field.

What They Do: The duties performed by EN-ATFs include: aligning fuel, water and air piping systems and control operation of diesel engines used for ship propulsion, to propel small craft 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 analyzing machinery operating records and reports.

Detailed List of Required Duties

ASVAB Score Requirements: AR+MK+EI+GS=211

Other Requirements: Must have normal hearing. 72 month obligation.

Notes: 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.

High school diploma graduate or equivalent. Must be able to type 40 words per minute. Must have no record of conviction by civil court for any offense other than minor traffic.

Technical Training Information: Enlistees are taught the fundamentals of this rating through on-the-job training or formal Navy schooling.

Engineering Common Core Mechanical Core Great Lakes, Ill. 3 weeks to 4 weeks

Introduction to technical documentation, basic mechanical theory, safety precautions and programs, alignment and operation of piping systems and equipment, hand tools, precision instruments, lubricants systems, bearings, couplings, gears, valves, pumps and the Maintenance Material Management System (3M). Group instruction and practical application.

Engineman Class "A" School Great Lakes, Ill. 6 weeks

Basic diesel engine construction, systems, maintenance and repair of auxiliary equipment including small bore engines, anchor windlass, elevators, steering gear, hydraulics, air compressors, galley and laundry equipment maintenance and repair, distilling plants. Watch standing and system tracing in an operational propulsion plant trainer. Group instruction and practical application

After "A" school, ENs may be assigned "C" School for a specific diesel mechanic course for advanced training prior to being assigned to ships, naval shipyards or naval repair facilities afloat or ashore in the United States or overseas. Upon completion of first fleet tour, ENs may be assigned to a "C" school for a specific diesel mechanic course for advanced training. In a 20-year period, ENs spend about 65 percent of their time assigned to fleet units and 35 percent to shore stations.

Working Environment:Enginemen work in engine rooms or shops which, at times, may be hot 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.

Opportunity Rating: For qualified applicants, opportunities are fairly good to enter this rating. About 6,000 men and women work in the EN rating.

E-1 to E-4 E-5 E-6
3 3 3

1 = Currently undermanned
2 = Currently manned at desired levels
3 = Currently overmanned

Note: Levels are as of 10 December 2003. Subject to change without notice.

Advancement (Promotion) Trends

College Credits for Training/Experience

Career Progression

Above Information Courtesy of United States Navy

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