HVAC & Refrigeration Mechanic – US Navy Program

About the role

Amentum is seeking an experienced HVAC/Refrigeration Mechanic to support a unique US Navy program on Diego Garcia. The role involves leading installation, maintenance, modification, and repair of heating, ventilation, air‑conditioning and refrigeration systems in a remote, multi‑national environment.

Key responsibilities

• Lead and supervise HVAC crews performing installation, maintenance, repair, modification and overhaul of air‑conditioning and refrigeration equipment.
• Coordinate daily activities, assign personnel based on skill level and project needs, and ensure work follows blueprints, codes and safety requirements.
• Develop work schedules, monitor progress, communicate status and resource needs, and implement preventive‑maintenance programs.
• Fabricate, assemble and install ductwork, chassis components and related parts using metal‑working tools and welding equipment.
• Install, troubleshoot and service motors, compressors, control panels, temperature and humidity controls, and other HVAC components.

Required profile

• High School Diploma or equivalent with at least three years of HVAC/refrigeration experience.
• Previous experience leading or coordinating HVAC personnel is preferred.
• Certification in heating and air‑conditioning, including refrigerant handling and recovery/recycling where applicable.
• Valid passport (minimum one‑year validity) and ability to obtain required visas and facility credentials.
• Ability to read, write and speak English fluently.

Required skills

• Installation, maintenance and repair of HVAC and refrigeration systems up to ~20 tons.
• Ductwork fabrication and welding.
• Motor, compressor and control panel installation and troubleshooting.
• Preventive‑maintenance program implementation.
• Refrigerant handling certification.