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Marine Corps MOS · Combat & Infantry

2181 Ground Ordnance Weapons Chief

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

A Ground Ordnance Weapons Chief supervises the maintenance, repair, and inspection of small arms weapons and towed artillery howitzers while directing personnel in repair shops and facilities. This chief manages maintenance administration, assists the Weapons Repair Officer, and oversees hazardous waste and ozone depleting substance storage, disposal, and emergency planning.

Core Skills

  • Small arms and towed artillery inspections
  • Repair shop maintenance and supply coordination
  • Hazardous waste storage and disposal oversight
  • Hazardous waste emergency response planning

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.

First-Line Supervisors of Mechanics, Installers, and Repairers

Supervising weapons repair personnel, conducting technical inspections, and administering maintenance shops transfer directly to repair-shop supervision.

How to prepare: Build a work portfolio showing how you assigned repairs, inspected completed work, and coordinated maintenance and supply needs, then compare it with the equipment-specific duties of target repair shops.

What the civilian work involves
  • Inspect, test, and measure completed work, using devices such as hand tools or gauges to verify conformance to standards or repair requirements.
  • Inspect and monitor work areas, examine tools and equipment, and provide employee safety training to prevent, detect, and correct unsafe conditions or violations of procedures and safety rules.
  • Monitor employees' work levels and review work performance.
Civilian tools and software (examples)
  • Microsoft Excel
  • Microsoft Outlook

Environmental Compliance Inspectors

Managing command environmental programs and overseeing hazardous waste storage, disposal, and emergency planning provide a foundation for environmental compliance inspections.

How to prepare: Study the civilian hazardous waste rules applicable to your target jurisdiction and use them to draft a storage and disposal inspection checklist.

What the civilian work involves
  • Prepare, organize, and maintain inspection records.
  • Determine the nature of code violations and actions to be taken, and issue written notices of violation, participating in enforcement hearings, as necessary.
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.

Getting Started

  • Certified Maintenance and Reliability Professionals (CMRP)

    Demonstrate maintenance, equipment reliability, and work-management knowledge for civilian repair-shop supervision.

    Eligibility and preparation: No education or work-experience minimum; candidates must not have taken the exam within the preceding six months.

    For: First-Line Supervisors of Mechanics, Installers, and Repairers

Career Growth

  • Certified Hazardous Materials Manager (CHMM)

    Validate hazardous materials management knowledge supporting environmental compliance work involving storage, disposal, and emergency preparation.

    Eligibility and preparation: An accredited baccalaureate degree or higher and at least four years of relevant hazardous materials management or related experience are required before taking the exam.

    For: Environmental Compliance Inspectors

Notes & Sources

Evidence for this guidance (6 documents)
  1. NAVMC 1200.1L (FY26, in force): MOS 2181

    [1] MOS 2181 section "a. Summary"; cached text line 35468; NAVMC 1200.1L signed 2025-03-07, in force until 2026-10-01

    Supports: Small arms and towed artillery inspections, Repair shop maintenance and supply coordination, Hazardous waste storage and disposal oversight, Hazardous waste emergency response planning, First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00), Environmental Compliance Inspectors (O*NET 13-1041.01)

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

    [2] O*NET 30.3 occupational data

    Supports: First-Line Supervisors of Mechanics, Installers, and Repairers (O*NET 49-1011.00)

  3. O*NET: Environmental Compliance Inspectors

    [3] O*NET 30.3 occupational data

    Supports: Environmental Compliance Inspectors (O*NET 13-1041.01)

  4. COOL credential mapping: Certified Maintenance and Reliability Professionals (CMRP)

    [4] 2181 cached COOL credential feed

    Supports: Certified Maintenance and Reliability Professionals (CMRP)

  5. Society for Maintenance and Reliability Professionals: CMRP eligibility

    [5] Eligibility; retrieved 23 September 2026

    Supports: Certified Maintenance and Reliability Professionals (CMRP)

  6. COOL credential mapping: Certified Hazardous Materials Manager (CHMM)

    [6] 2181 cached COOL credential feed

    Supports: Certified Hazardous Materials Manager (CHMM)

    [7]IHMM: Certified Hazardous Materials Manager eligibility · Eligibility Requirements, Prerequisites and Relevant Experience; retrieved 2026-09-23

    Supports: Certified Hazardous Materials Manager (CHMM)

Defense contractor jobs for 2181

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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