Army MOS · Engineering

91X Maintenance Supervisor

Overview

Maintenance Supervisors perform and supervise field and sustainment maintenance on tracked and wheeled vehicles, construction equipment, and special purpose equipment. They also oversee maintenance for power generation, climate control, fire control, weapons, and related test equipment, supervise machine shop or metalworking activities, and direct vehicle recovery and electrical wiring harness repairs.

Core Skills

  • maintenance management and scheduling
  • fleet and equipment readiness management
  • troubleshooting and diagnostics coordination
  • quality assurance and inspection
  • maintenance data analysis and reporting
  • cmms usage and work order management
  • supply chain coordination for spare parts
  • safety and regulatory compliance
  • shop supervision and workforce management
  • training and mentoring technicians

Civilian Software & Tools

  • Microsoft Excel
  • Microsoft Office software
  • Microsoft Outlook
  • Autodesk AutoCAD
  • Microsoft Access
  • Microsoft PowerPoint
  • Microsoft Project
  • Microsoft SharePoint

Civilian Career Paths

  • Project Management
  • Fleet Management
  • Facilities Management
  • Supply Chain Management

Training & Development

Getting Started

  • Military Tactical Wheeled Vehicle (TWV): Chassis (MIL4) · Funded · Promotion points · STAR
  • Military Tactical Wheeled Vehicle (TWV): Diesel Engines (MIL2) · Funded · Promotion points · STAR
  • Military Tactical Wheeled Vehicle (TWV): Drive Train (MIL3) · Funded · Promotion points · STAR
  • Military Tactical Wheeled Vehicle (TWV): Electrical/ Electronic Systems (MIL6) · Funded · Promotion points · STAR

Career Growth

  • Electronic Diesel Engine Diagnosis Specialist (L2)
  • Advanced Engine Performance Specialist (L1)
  • Certified Maintenance and Reliability Technician (CMRT) · Funded · Promotion points
  • Certified Maintenance and Reliability Professional (CMRP) · Funded · Promotion points

Also Common

  • Military Tactical Wheeled Vehicle (TWV): Heating, Ventilation & Air Conditioning (HVAC) (MIL7) · Funded · Promotion points · STAR
  • Military Tactical Wheeled Vehicle (TWV): Preventive Maintenance Checks & Services (PMCS) (MIL8) · Funded · Promotion points · STAR
  • Military Tactical Wheeled Vehicle (TWV): Suspension, Steering, and Hydraulics (MIL5) · Funded · Promotion points · STAR

What the 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.
  • Interpret specifications, blueprints, or job orders to construct templates and lay out reference points for workers.
  • Perform skilled repair or maintenance operations, using equipment such as hand or power tools, hydraulic presses or shears, or welding equipment.

Related Occupations

  • First-Line Supervisors of Production and Operating Workers
  • First-Line Supervisors of Construction Trades and Extraction Workers
  • First-Line Supervisors of Helpers, Laborers, and Material Movers, Hand
  • First-Line Supervisors of Passenger Attendants

Typical preparation for these civilian roles: vocational training or an associate degree.

Defense contractor jobs for 91X

Formerly Known As (Legacy)

Retired codes that converted into 91X. Each legacy page documents the cited history.

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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