Army MOS · Support

51A Systems Development

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

Overview

A Systems Development officer serves as a project officer for the requirements, development, and acquisition of new systems or major modifications to existing systems. This officer coordinates system design with support programs and monitors development to meet operational requirements at the lowest life cycle cost.

Core Skills

  • Requirements formulation for materiel system acquisition
  • System design and support program integration
  • Development oversight against operational and lifecycle cost requirements

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Project Management Specialists

Experience as a project officer formulating acquisition requirements, coordinating system design with support programs, and monitoring development transfers directly to technical project coordination.

How to prepare: Build a civilian-facing project case study showing how you connected operational requirements, system design, support needs, and lifecycle cost objectives. These roles typically require a bachelor's degree; some employers prefer a relevant technical degree or require related experience.

What the civilian work involves
  • Communicate with key stakeholders to determine project requirements and objectives.
  • Confer with project personnel to identify and resolve problems.
  • Develop or update project plans including information such as objectives, technologies, schedules, funding, and staffing.
Civilian tools and software (examples)
  • Microsoft Excel
  • Microsoft Project

Notes & Sources

Evidence for this guidance (3 documents)
  1. Army COOL MOC feed: 51A Systems Development

    [1] data/authority/army-codes.json entry 51A (OSD COOL feed, fetched 2026-07-25); DB rank officer, authority codeType officer

    Supports: Requirements formulation for materiel system acquisition, System design and support program integration, Development oversight against operational and lifecycle cost requirements, Project Management Specialists (O*NET 13-1082.00)

  2. O*NET: Project Management Specialists

    [2] O*NET 30.3 occupational data

    Supports: Project Management Specialists (O*NET 13-1082.00)

  3. Bureau of Labor Statistics: Project Management Specialists

    [3] What They Do; How to Become One; retrieved 23 September 2026

    Supports: Project Management Specialists (O*NET 13-1082.00)

Defense contractor jobs for 51A

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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