Marine Corps
ENGINEERING

MOS

2120

Ground Ordnance Maintenance Officer

Description

Ground Ordnance Maintenance Officers are special staff officers who manage ground ordnance equipment readiness, accountability and security. They serve as technical advisers on the appropriate employment of ground ordnance maintenance resources. They oversee the activities of personnel engaged in the recovery, salvage, and maintenance of weapons, fire control systems, artillery, fires platforms, optical and electro-optical/ laser devices, small missile and other manned, remote, or semi-autonomous ground ordnance systems. They nest maintenance support packages into their commander's mission requirements to enable mission accomplishment. They must possess skills in managing resources with an emphasis on efficient personnel employment, maintaining equipment readiness, and exercise/deployment planning. Ground Ordnance Maintenance Officers must possess a working knowledge of forecasting equipment readiness and availability, monitoring and managing maintenance requirements, and effectively advising commanders. They mentor the officers and Marines within their unit in all applicable physical, doctrinal, and conceptual maintenance operations to improve the effectiveness of the command. They also develop maintenance policy at various levels, and manage work progress and maintenance personnel qualification/training. They establish maintenance production lines, procedures for inspection, and quality assurance on repaired equipment. They supervise the functional areas of maintenance management and can supervise the storage, disposal, and emergency planning for hazardous waste and ozone depleting substances. They liaise with project managers and sustainment partners to address maintenance requirements and to advance enterprise ingenuity in expeditionary ground ordnance maintenance support and weapon system lethality. Additional duties will include participation in applicable course curriculum review boards (CCRB), curriculum development for new equipment, and review of draft ground ordnance maintenance training and readiness manuals. Warrant Officers and junior chief warrant officers generally serve in maintenance companies and battalion staffs. They progress to serve on regimental staffs within the ground combat element and within the command element and supporting establishment. At the most senior ranks, 2120s serve billets which provide the greatest breadth of influence and include Headquarters Marine Corps supporting activities that analyze, design, and develop standards-based training for individual and collective progression, as well as billets which support the requirements development and acquisition processes of ground ordnance systems and related maintenance support equipment. At this level, Ground Ordnance Maintenance Officers must also be able to supervise operational level maintenance, integrate maintenance support into major subordinate command, service, and joint operations, manage maintenance policy and doctrine, manage the training and education continuum for ground ordnance maintenance personnel and provide staff level planning and technical advice concerning maintenance capabilities and supportability for MAGTF commanders.

Core Skills

  • maintenance management
  • asset lifecycle management
  • configuration management
  • technical inspections and quality assurance
  • maintenance planning and scheduling
  • logistics and supply coordination
  • data-driven readiness reporting
  • technical team leadership
  • risk management
  • process improvement
  • documentation and compliance
  • training program development
  • budget and resource management
  • cross-functional coordination
  • technical problem solving

Common Certifications

  • OSHA 30-Hour General Industry
  • ASE Heavy Equipment Technician Certification
  • Certified Maintenance & Reliability Technician (CMRT)
  • Project Management Professional (PMP)
  • Certified Safety Professional (CSP)

Civilian Career Paths

  • PROJECT MANAGEMENT
  • FACILITIES MANAGEMENT
  • SUPPLY CHAIN MANAGEMENT

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Data sourced from official Marine Corps publications and public military occupational references. Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.