(HVAC) Mastertradesperson 3-27390

HII is seeking a skilled HVAC Technician-3 to join our team supporting the Commander, U.S. Fleet Forces (COMUSFLTFORCOM) Berthing and Messing Program, which operates duty crew berthing barges that provide essential living and working spaces for crews during ship overhaul and repair periods. This position is contingent up on contract award. Essential Job Responsibilities As an HVAC Technician-3 in support of O‑Level maintenance and repairs, you will install, operate, troubleshoot, and maintain heating, ventilation, and air conditioning systems aboard U.S. Navy berthing barges (APL) used to house ship’s personnel during maintenance availabilities. The ideal candidate is detail‑oriented, safety‑focused, and experienced with marine or industrial HVAC systems including chilled water plants, air handlers, DX units, dehumidification, and ventilation equipment in a high‑reliability environment. Minimum Qualifications High School education, or Trade School or equivalent, and 4+ years of HVAC service experience in industrial, marine, shipyard, or heavy commercial environments with EPA Section 608 (Universal preferred). Prefer technical/professional certifications. Must provide own hand tools as designated per trades specialty. Ability to troubleshoot mechanical/electrical systems using diagnostic tools. Proficiency inspecting, operating, and maintaining HVAC equipment (chillers, compressors, condensers, evaporators, Direct expansion/split systems, air handling units, fan coils, make‑up air units, exhaust/ventilation fans, and dehumidifiers) and fault diagnostics for mechanical, electrical, and control systems. Ability to perform corrective actions, replace faulty components, and return systems to service with minimal downtime to include recover, recycle, and charge refrigerants per EPA 608; maintain accurate logs and chain‑of‑custody. Experience conducting preventive maintenance schedules (filter changes, belt alignment, lubrication, coil cleaning, refrigerant checks, leak detection, and sensor calibration). Conduct airflow measurements, temperature/humidity checks, and equipment performance tests. Ability to read and interpret technical drawings and OEM specifications. Familiar with OSHA, shipyard, and Navy safety practices (LOTO, confined space, fall protection, PPE). Preferred Requirements Experience supporting U.S. Navy berthing barges (APL) or afloat platforms. Knowledge of NAVSEA drawings/specs and shipyard practices. Experience with other primary and auxiliary shipboard systems. Familiar with OSHA‑10/30, shipyard, and Navy safety practices (LOTO, confined space, fall protection, PPE). Work with thermostats, BAS/PLC interfaces, and control loops to maintain setpoints, alarms, and efficiency. Experience with BAS/PLC controls (Honeywell, Johnson Controls, Siemens, etc.). Brazing/welding certifications for refrigeration piping; R410A/R134a systems experience. Physical Requirements Must be able to lift, carry and transport heavy equipment and boxes (no less than 50 lbs). Able to work on and climb ladders, work in extreme temperature environments, aboard ships, in shipyards, under industrial conditions and in confined spaces. Able to perform other duties as required which may involve high heat, humidity, noise and dirty conditions, working aloft or over the sides of vessels. May ride ships at sea for extended periods. May require wearing a respirator. Must consistently wear required PPE (hard hat, safety glasses, gloves, safety boots, fall protection) and follow program safety training/briefings. There will be 10 % periodic travel to Kittery, ME and Groton/New London, CT for site inspections and coordination. Work Hours Regular: Monday–Friday, 0700–1530. Overtime, weekends, and federal holidays may be required for urgent/emergency work. Benefits HII offers competitive benefits such as best‑in‑class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools; life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post‑secondary education scholarships. Bonus/other non‑recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law. Do You Need Assistance? If you need a reasonable accommodation for any part of the employment process, please send an e‑mail to View email address on click.appcast.io and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case‑by‑case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this e‑mail address. Additionally, you may also call View phone number on click.appcast.io for assistance. #J-18808-Ljbffr Mission Technologies, a division of HII