Army MOS · Engineering
91S STRYKER Systems Maintainer
Overview
A Stryker systems maintainer performs and supervises field level maintenance on the Stryker family of vehicles. This maintainer services variants including infantry carriers, reconnaissance vehicles, mobile gun systems, mortar carriers, medical evacuation vehicles, and engineer support vehicles.
Core Skills
- mechanical and electronic troubleshooting
- preventive and corrective maintenance
- reading technical drawings and schematics
- hydraulic and electrical systems repair
- maintenance planning and scheduling
- quality assurance and inspections
- logistics and parts management
- technical documentation
- safety and risk management
- team leadership and supervision
Civilian Software & Tools
- Computerized maintenance management system software CMMS
- Cummins INSITE
- Fleet management software
- Maintenance management software
- Recordkeeping software
- SAP software
- Microsoft Excel
- Microsoft Windows
Civilian Career Paths
- Mechanical Engineering
- Fleet Management
- Project Management
- Supply Chain Management
Training & Development
Getting Started
- 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
- Military Tactical Wheeled Vehicle (TWV): Preventive Maintenance Checks & Services (PMCS) (MIL8) · Funded · Promotion points · STAR
Career Growth
- Electronic Diesel Engine Diagnosis Specialist (L2)
- Industrial Hydraulic Mechanic (IHM)
- Certified Maintenance and Reliability Technician (CMRT) · Funded · Promotion points
- Certified Maintenance and Reliability Professional (CMRP) · Funded · Promotion points
What the Work Involves
- Operate and inspect machines or heavy equipment to diagnose defects.
- Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
- Repair and replace damaged or worn parts.
- Test mechanical products and equipment after repair or assembly to ensure proper performance and compliance with manufacturers' specifications.
- Read and understand operating manuals, blueprints, and technical drawings.
Related Occupations
- Rail Car Repairers
- Industrial Machinery Mechanics
- Maintenance Workers, Machinery
- Motorboat Mechanics and Service Technicians
Typical preparation for these civilian roles: vocational training or an associate degree.
Formerly Known As (Legacy)
Retired codes that converted into 91S. Each legacy page documents the cited history.
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Equivalent Roles in Other Branches
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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