Description
Machinist's Mate, Non-Nuclear, Submarine Auxiliary (MMA) operate, maintain, and repair (at the organizational and intermediate level) damage control equipment and systems, internal combustion diesel engines and diesel engine support systems, hydraulic systems, atmosphere control and oxygen-generating equipment, refrigeration systems, compressed air and gas systems, potable water system, seawater systems, and sanitary and plumbing systems.
Core Skills
- mechanical systems operation and maintenance
- diesel engine operation and repair
- hydraulic systems maintenance
- refrigeration and HVAC maintenance
- compressed air and gas systems management
- potable water and plumbing systems maintenance
- damage control equipment operation and repair
- preventive and corrective maintenance
- technical troubleshooting and fault isolation
- use of technical manuals and schematics
- safety and environmental compliance
- maintenance documentation and reporting
- teamwork in confined and high-risk environments
Common Certifications
- EPA Section 608 Refrigeration Certification
- OSHA 30-Hour General Industry
- Journeyman Plumber License
- Journeyman HVAC Technician License
- Hydraulic Specialist Certification
- AWS Certified Welder
- Stationary Engineer License
Civilian Career Paths
- MECHANICAL ENGINEERING
- FACILITIES MANAGEMENT
- CONSTRUCTION MANAGEMENT
- MECHANICAL ENGINEERING
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Data sourced from official Navy 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.