Description
Machinists perform various duties incident to fabrication, repair or modification of engineer, motor transport, weapons, and accessories. Duties include selection of proper stock and set up of work on lathes, shapes, milling machines, internal and external grinders, drill presses, saws and cylinder, or line-boring machines. Machinists work from sketches, diagrams, blueprints, written specifications, or oral instructions. The control of quality and accuracy is met by the machinists' use of precision measuring devices to include micrometers, vernier gauges, and various other gauges and the subsequent adjustment of machine tool controls. Fabrication of metals is also followed by welding with all standard welding equipment. Maintenance of all shop equipment is performed to ensure that serviceability is sustained. Coordination with other repair shops, reporting of work completion, and the shop administrative functions are requirements to be effected by machinists.
Core Skills
- precision machining and fabrication
- reading blueprints and technical drawings
- CNC and manual machine operation
- measurement and quality control
- equipment setup and calibration
- problem solving and root cause analysis
- preventive maintenance on shop equipment
- documentation and job tracking
- safety and risk management
- attention to detail and accuracy
- working from technical specifications
Common Certifications
- OSHA 10-Hour General Industry Safety
- AWS Certified Welder
- NIMS Machining Level I Certification
- Journeyman Machinist Certification
- CNC Operator Certification
Civilian Career Paths
- MECHANICAL ENGINEERING
- CONSTRUCTION MANAGEMENT
- FACILITIES 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.