Army Engineer Officer 12A Career – Military Occupational Specialties (MOS)


An engineer officer is responsible for providing full support to the wide range of engineering duties in the Army. They can help build structures, develop civil works programs and even provide combat support.

Job Duties

  • Sapper — Emplace demolitions, conduct reconnaissance and support maneuver units with mobility, countermobility and survivability
  • Bradley — Destroy, neutralize and suppress the enemy using the Bradley Fighting Vehicle
  • Construction — Construct roads, buildings, military bases, airfields, etc.
  • Bridge — Construct, emplace or assemble numerous bridges
  • Rescue — Perform search and rescue operations
  • Training — Train the force, write new policy and research alternative engineering technology


Those who want to serve must first take the Armed Services Vocational Aptitude Battery, a series of tests that helps you better understand your strengths and identify which Army jobs are best for you.


Job training for an engineer officer begins with an undergraduate degree and the Basic Officer Leadership Course. Other opportunities may include taking courses at graduate schools and other military institutions.