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Mayport Naval Base Jobs (NOW HIRING)

Amentum

HVAC Mechanic I

Jacksonville, FL · On-site

$41.40/hr

... Mayport Naval Base. Perform duties described in the Service Contract Act Service Order HEATING, REFRIGERATION, AND AIR-CONDITIONING MECHANIC. May perform duties of other classifications that have a ...

Pae

HVAC Mechanic I

Jacksonville, FL

$41.40/hr

... Mayport Naval Base. Perform duties described in the Service Contract Act Service Order HEATING, REFRIGERATION, AND AIR-CONDITIONING MECHANIC. May perform duties of other classifications that have a ...

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How much do mayport naval base jobs pay per year?

As of Jul 26, 2026, the average yearly pay for mayport naval base in the United States is $71,562.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,500.00 and $85,000.00 per year, depending on experience, location, and employer.

What is a Mayport Naval Base job?

A Mayport Naval Base job refers to employment opportunities available at Naval Station Mayport, a major U.S. Navy base in Jacksonville, Florida. Jobs at the base range from military roles to civilian positions in administration, maintenance, security, and support services. These roles support naval operations, ship maintenance, and base infrastructure. Civilian jobs are typically offered through government agencies or contracted companies. Employment may require security clearances, specialized skills, or prior military experience depending on the position.

What is the typical work environment like for roles at Mayport Naval Base?

Team members at Mayport Naval Base can expect a structured and mission-driven work environment that emphasizes safety, precision, and collaboration. Depending on the role, daily tasks may involve working alongside both civilian and military personnel in administrative offices, maintenance facilities, or outdoor settings near the waterfront. The pace can vary, but maintaining readiness and responding quickly to operational needs are consistent priorities. Employees receive ongoing training and have opportunities to advance within both military and civilian career tracks. This supportive environment fosters professional growth while contributing to the Navy's essential operations.

What are the key skills and qualifications needed to thrive in the Mayport Naval Base position, and why are they important?

To thrive in a role at Mayport Naval Base, candidates typically need a combination of relevant technical expertise, security clearance eligibility, and prior experience in military or government operations. Familiarity with Department of Defense systems, logistics software, and maintenance or operational protocols is often required, along with certifications such as OSHA or specialized military training depending on the position. Strong teamwork, adaptability, and effective communication are essential soft skills for collaborating within multidisciplinary, high-security environments. These skills and qualifications are vital for maintaining operational readiness, ensuring safety, and supporting the critical missions of the base.

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What cities are hiring for Mayport Naval Base jobs? Cities with the most Mayport Naval Base job openings:
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Mayport Naval Base jobs near you
Infographic showing various Mayport Naval Base job openings in the United States as of July 2026, with employment types broken down into 89% Full Time, 10% Part Time, and 1% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $71,562 per year, or $34.4 per hour.
HVAC Mechanic I

HVAC Mechanic I

Amentum

Jacksonville, FL • On-site

$41.40/hr

Full-time

Posted 4 days ago

Job description

Amentum, a global leader in critical mission support, engineering, technology, and national security solutions, is seeking a HVAC Mechanic 1 to support a government contract based at Mayport Naval Base.
Perform duties described in the Service Contract Act Service Order HEATING, REFRIGERATION, AND AIR-CONDITIONING MECHANIC. May perform duties of other classifications that have a pay rate equal to or lower than the employee's current rate.
Essential Functions:
  • Installs, services, and repairs environmental-control systems in residences, department stores, office buildings, and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting and structural layout.
  • Mounts compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications.
  • Fabricates, assembles, and installs ductwork and chassis or in air duct system, using hand tools.
  • Cuts and bends tubing to correct length and shape using machine-threading or hand-threading equipment.
  • Joins tubing or pipes to various refrigerating units by means of sleeves, couplings or unions, and solder joints, using torch, forming complete circuit for refrigerant.
  • Installs expansion and discharge valves in circuit.
  • 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 refrigerant into compressor to test systems and adds freon gas to build up prescribed operating pressure.
  • Observes pressure and vacuum gauges and adjusts controls to insure proper operation.
  • Tests joints and connections 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, fuses, and electrical wiring to repair installed units, using electrician's hand tools and test equipment.

Marginal Functions:
  • Performs other duties as requested.
  • May install, repair and service air conditioners, ranging from fifteen to twenty tons cooling capacity, in warehouses and small factory buildings.

EDUCATION
  • High school or equivalent

CERTIFICATE, LICENSE, REGISTRATION, etc.:
  • Valid Driver's License
  • Journeyman HVAC Mechanic "Duval County" License
  • Universal EPA Certification (40 CFR Part 82, Subpart F)
  • Must be able to obtain and maintain facility credentials/authorization. Note: US Citizenship is required for facility credentials/authorization at this work location.

OTHER RESPONSIBILTIES
  • Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams.
  • Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.

Compensation Details:
$41.40
Original Posting:
04/27/2026 - 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.

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