Marine Machinist

About the role

Amentum is seeking a Marine Machinist to support a unique U.S. Navy program on the island of Diego Garcia. You will perform precision machining, repairs, and maintenance on marine vessels and equipment to ensure optimal functionality of the facility.

Key responsibilities

• Operate lathes, milling machines, grinders and other precision equipment to fabricate or repair parts for marine systems.
• Perform alignment, installation, repair, and preventive maintenance on pumps, valves, engines, gear mechanisms and hydraulic systems.
• Read and interpret schematics, blueprints and technical drawings to complete assignments accurately.
• Diagnose, troubleshoot and repair mechanical issues on marine vessels and equipment.
• Use micrometers, calipers and gauges to verify part specifications.
• Document work performed, parts used and inspections completed.
• Collaborate with other maintenance personnel to coordinate large‑scale system repairs.

Required profile

• 1‑3 years experience as a marine machinist or in a related mechanical trade.
• High school diploma or equivalent.
• Proficiency with machine tools (lathe, grinder, mill) and reading technical drawings.
• Ability to read, speak and comprehend English for contract requirements.
• Valid passport (minimum 1 year) and ability to obtain required visas.
• Pass contract medical requirements and maintain facility credentials.
• Valid driver’s license.

Required skills

• Lathe operation
• Milling machine operation
• Grinding machine operation
• Precision measurement (micrometers, calipers, gauges)
• Reading schematics/blueprints
• Marine machinery troubleshooting
• Hydraulic system maintenance
• Pneumatic system maintenance
• Mechanical alignment