Navy Enlisted Rating (Job) Descriptions

Engineering Aid (EA)

ROTA, Spain (March 30, 2011) Engineering Aid Jonathanjan Samson, assigned to the engineering department of Naval Mobile Construction Battalion (NMCB) 74, hammers in a stake at a sidewalk and lighting project at Naval Station Rota. NMCB-74 is deployed to Camp Mitchell at Naval Station Rota supporting Commander, Task Force 68.
U.S. Navy photo by Mass Communication Specialist 1st Class Ryan G. Wilber

Engineering Aids assist construction engineers in developing final construction plans. They conduct land surveys; prepare maps, sketches, drawings and blueprints; estimate costs; perform quality assurance tests on common construction materials such as soils, concrete and asphalt; and perform other engineering technician functions.

The duties performed by EAs include:

  • conducting location surveys for roads, airfields, pipelines, ditches, buildings, drainage structures and waterfront construction;
  • preparing hydrographic, topographic and triangulation drawings and maps;
  • computing the volume of bulk materials (concrete, bituminous mixtures and earthwork) from drawings and specifications;
  • laying out all types of construction work;
  • operating and maintaining various types of precision surveying and laboratory test instruments and equipment;
  • preparing architectural, mechanical, electrical, and civil drawings and sketches;
  • designing grading and drainage systems;
  • conducting concrete, soil and asphalt tests;
  • conducting quality control inspections for all types of construction projects;
  • prepare network analyses, charts and graphs;
  • reading and interpreting blueprints and preparing sketches for projects;
  • making estimates of material, labor, and equipment requirements.

Working Environment

EAs may work in a variety of conditions, independently or as members of a large team. Their many different duties may be performed in climates ranging from tropical to arctic.

A-School (Job School) Information

Fort Leonard Wood, MO -- 107 calendar days

ASVAB Score Requirement: AR + 2MK + GS = 210

Security Clearance Requirement: None

Other Requirements

  • 60 month enlistment obligation
  • Must have at least 1/2 Yearr of high school Trig, or 1 Qtr of College Trig, with a minimum grade of "C."

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

    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: 36 months
    • First Shore Tour:48 months
    • Second Sea Tour: 36 months
    • Second Shore Tour: 43 months
    • Third Sea Tour: 36 months
    • Third Shore Tour: 48 months
    • Fourth Sea Tour: 36 months
    • Forth Shore Tour: 48 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.

    Much of the above information courtesy of the Navy Personnel Command