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Marine Corps MOS · Aviation

5993 Electronics Maintenance Chief (Aviation (C2))

Current service use not established

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

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Overview

An aviation electronics maintenance chief supervises, coordinates, and instructs enlisted personnel who operate and maintain Marine Air Command and Control Systems. The chief oversees surveying, siting, installation, modification, and maintenance tasks while helping formulate maintenance plans, supply plans, publications, and training materials.

Minimum clearance: Secret, often with SCI exposure

Minimum ASVAB: EL 115

ASVAB policy: Not policy-reviewed · coverage unknown · as of 2026-10-19

Program scope has not been reviewed.

Policy applicability and coverage of the program's score routes have not been reviewed. Shown-route arithmetic is not an eligibility decision.

Source: navmc-1200-1l-fy26 (source date 2025-03). Policy applicability has not been established.

See if you would hit this score: free ASVAB practice test

Core Skills

  • Command and control equipment capability assessment
  • Integrated maintenance and supply planning
  • Equipment siting and installation oversight
  • Military maintenance program implementation

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.

Electronics Maintenance Supervisor

Supervising MACCS maintenance personnel, coordinating installations, and implementing maintenance and supply plans directly supports electronics maintenance supervision.

How to prepare: Prepare a work portfolio showing how you coordinated an equipment installation or maintenance effort, including staffing, supply needs, and maintenance-program compliance.

What the civilian work involves
  • Monitor employees' work levels and review work performance.
  • Inspect, test, and measure completed work, using devices such as hand tools or gauges to verify conformance to standards or repair requirements.
Civilian tools and software (examples)
  • Microsoft Excel
  • Microsoft Project

Electrical and Electronic Engineering Technologists and Technicians

Oversight of MACCS installation, modification, and maintenance provides relevant systems knowledge for electronics equipment support.

How to prepare: Complete a practical electronics lab assessment covering schematic reading, test equipment, and fault isolation to identify hands-on gaps beyond the documented supervisory duties.

What the civilian work involves
  • Modify, maintain, or repair electronics equipment or systems to ensure proper functioning.
  • Set up and operate specialized or standard test equipment to diagnose, test, or analyze the performance of electronic components, assemblies, or systems.
  • Identify and resolve equipment malfunctions, working with manufacturers or field representatives as necessary to procure replacement parts.
Civilian tools and software (examples)
  • Microsoft Excel
  • Adobe Acrobat

Training & Development

Choose credentials for your target role. COOL funding markers describe program listings, not a guarantee of eligibility or funding.

Career Growth

  • Certified Manager of Quality/Organizational Excellence (CMQ/OE) · Funded

    Develop process-improvement expertise for broader maintenance quality and organizational responsibilities.

    Eligibility and preparation: ASQ requires 10 years of full-time, paid experience in areas of its CMQ/OE Body of Knowledge, including 5 years with authority to define, execute, or control projects or processes and responsibility for outcomes. One education waiver may reduce the 10-year total: technical or trade diploma by 1 year, associate degree by 2, bachelor's by 4, or master's or doctorate by 5; the 5 decision-making years remain required. Candidates must pass the certification exam.

    For: Electronics Maintenance Supervisor

Notes & Sources

Evidence for this guidance (4 documents)
  1. NAVMC 1200.1L (FY26, in force): MOS 5993

    [1] MOS 5993 section "a. Summary"; cached text line 48351; NAVMC 1200.1L signed 2025-03-07, in force until 2026-10-01

    Supports: Command and control equipment capability assessment, Integrated maintenance and supply planning, Equipment siting and installation oversight, Military maintenance program implementation, Electronics Maintenance Supervisor (O*NET 49-1011.00), Electrical and Electronic Engineering Technologists and Technicians (O*NET 17-3023.00)

  2. O*NET: First-Line Supervisors of Mechanics, Installers, and Repairers

    [2] O*NET 30.3 occupational data

    Supports: Electronics Maintenance Supervisor (O*NET 49-1011.00)

  3. O*NET: Electrical and Electronic Engineering Technologists and Technicians

    [3] O*NET 30.3 occupational data

    Supports: Electrical and Electronic Engineering Technologists and Technicians (O*NET 17-3023.00)

  4. COOL credential mapping: Certified Manager of Quality/Organizational Excellence (CMQ/OE)

    [4] 5993 cached COOL credential feed

    Supports: Certified Manager of Quality/Organizational Excellence (CMQ/OE)

    [5]ASQ: Manager of Quality/Organizational Excellence (CMQ/OE) certification requirements · Requirements and Education sections; Examination; retrieved 2026-09-23

    Supports: Certified Manager of Quality/Organizational Excellence (CMQ/OE)

Defense contractor jobs for 5993

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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