HVAC & Refrigeration Mechanic

About the role

Amentum is seeking an experienced HVAC & Refrigeration Mechanic to support a critical US Navy program on Diego Garcia. The role involves leading and participating in all aspects of HVAC and refrigeration system work, ensuring safety, quality, and compliance with specifications.

Key responsibilities

• Lead, supervise, and work alongside HVAC crews on installation, maintenance, repair, modification, and overhaul of air‑conditioning and refrigeration equipment.
• Coordinate daily activities, assign tasks based on skill level and project needs, and develop work schedules.
• Ensure all work follows blueprints, manufacturer specifications, applicable codes, and safety requirements.
• Monitor progress, report status, identify trends, and recommend process improvements.
• Implement preventive‑maintenance programs and oversee their execution.
• Train, coach, and mentor HVAC personnel in proper techniques and safe practices.
• Fabricate, assemble, and install ductwork and chassis components using metal‑working tools and welding equipment.
• Install, connect, troubleshoot, and service motors, compressors, temperature and humidity controls, circulating fans, and control panels.

Required profile

• Proven experience as an HVAC/refrigeration mechanic with hands‑on technical leadership.
• Ability to supervise crews, plan work, and communicate effectively with management.
• Strong knowledge of safety standards, codes, and industry best practices.

Required skills

• HVAC system installation and maintenance
• Refrigeration system repair and overhaul
• Blueprint and technical drawing interpretation
• Metal‑working tools and welding
• Motor and compressor installation
• Temperature and humidity control troubleshooting
• Control panel wiring and power connection
• Preventive‑maintenance program implementation

What we offer

• Opportunity to work on a unique US Navy program in a strategic location.
• Leadership role with responsibility for crew performance and project success.