Amentum, a global leader in critical mission support, engineering, technology, and national security solutions, is seeking a HVAC Mechanic to support a government contract based in Kings Bay, Georgia.
Installs, services, and repairs environmental-control systems in residences; office buildings and other commercial / industrial settings, utilizing knowledge of refrigeration theory, pipefitting, and structural layout. Strong computer skills required for troubleshooting and correcting digital control software. Mounts compressor, condenser units and chiller units on platform or floor, using rigging, power and hand tools, following blueprints, or engineering specifications. Fabricates, assembles, and installs ductwork and chassis parts, using portable metalworking tools. Installs evaporator units in chassis or in air duct systems, using hand and power tools. Cuts and bends tubing to correct length and shape, using cutting and bending equipment and tools. Cuts and threads pipe, using machine-threading or hand-threading equipment. Joins tubing or pipes to various refrigerating units by means of sleeves, couplings, or unions, solder and brazed joints, using torch. Installs expansion and discharge valves in circuit. Electrically connects motors, compressors, temperature controls, humidity controls and circulating ventilation fans to control panels and connects control panels to power source. Installs air and water filters in completed installation. Injects small amount of Nz into compressor to test systems and adds refrigerant gas and/ or glycol to build up prescribed operating pressure. Observes pressure and vacuum, gauges, and adjusts controls to ensure proper operation. Tests joints and connects for gas leaks, using gauges or soap and-water solution. Wraps pipes in insulation batting and secures them in place with cement or wire bands. Replaces defective breaker controls, thermostats, switches and fuses, and electrical wiring to repair equipment. May install, repair, and service air conditioners, ranging from 5 - 200 tons cooling capacity in warehouses and small factory buildings. Performs other duties as assigned.
QUALIFICATIONS / EDUCATION / EXPERIENCE
Strongly Preferred: Metasys ™, Telatrole ™, or Niagra TM Building Automation experience
Minimum Qualifications:
PHYSICAL REQUIREMENTS
Compensation Details:
$36.71
Original Posting:
05/14/2026 - Until Filled
Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.