Plant AC Mechanic (Union)

Website L3Harris Technologies

Plant AC Mechanic (Union) Job Highlights

Title Plant AC Mechanic (Union)
Type Full Time
Experience Required
Function Management/Manufacturing
Location Clifton, NJ, United States
Company L3Harris Technologies

Company Profile

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions. The company provides advanced defense and commercial technologies across space, air, land, sea, and cyber domains.

Job Profile

The company is searching for a Plant AC Mechanic (Union) who will be responsible for performing skilled mechanical and electrical work in repairing, inspecting, servicing, installing, and altering heating, ventilation, refrigeration, and air conditioning systems and related equipment under minimum supervision.

Education Level

  • High School Diploma or Equivalent with a minimum of 5 years related industrial experience.
  • Must be familiar with and observe all OSHA, NEC, NFPA, EHS, ITT, and local building codes and safety regulations.

Work Experience

  • 3-5 years as a maintenance Mechanic 1st class


  • Assist field personnel in the evaluation, interpretation, operation, and maintenance of existing, renovated, or new HVAC, refrigeration, and control systems.
  • Assist in the planning and implementation of overall building HVAC, refrigeration, and control system analysis in order to provide recommendations to meet present and future requirements.
  • Check and adjust the temperatures of air conditioning systems.
  • Check and inspect various installations and items of air conditioning and food storage equipment, such as compressors, pumps, filters, bearings, belts, circuits, controls, piping, etc.
  • Check for leaks, excessive noises, heat, vibration, malfunctions, wear, broken, and defective parts.
  • Clean, repair, and replace worn parts of ventilator fans and hoods.
  • Close out of all service calls or preventive maintenance requests, as part of software management system.
  • Install and recycle CFC and HCFC (Chlorofluorocarbon family) refrigerants.
  • Install, service maintain, regulate, and repair mechanical equipment, including heating, ventilation, air conditioning, and refrigeration equipment, such as steam and hot water boilers, rooftop DX systems, chilled water systems, ice storage systems, unit space gas heaters, and food storage refrigeration equipment.
  • Maintain a preventive maintenance program for the heating, ventilation, air conditioning, and refrigeration equipment and systems.
  • Maintain records that relate to the maintenance and repair activities.
  • Perform brazing, soldering, and welding as necessary.
  • Perform electrical, pneumatic, and mechanical testing of equipment. Diagnose mechanical and electrical problems. Repair or replace defective parts in units and in equipment controls.
  • Perform material take-offs and installation of various types of ductwork, including, but not limited to, sheet metal, fiberglass, B-vent, flex-duct, and PVC.
  • Plan and organize work to meet schedules and timelines.
  • Repair or replace compressors, charge units, change controls, thermostats, pumps, water pressure regulators, and other parts and systems. Charge refrigeration systems. Inspect, clean, and replace filters as necessary.
  • Review, interpret, and evaluate blueprints, specifications, applications, and submittals to ensure compliance with code regulations.
  • Work individually and with other crafts in general maintenance duties, such as unplugging and clearing drain lines, and replacing oil and refrigerant, controls, bearings, belts, and filters.
  • Perform related duties and responsibilities as assigned.


  • Ability to follow oral and written instructions in the performance of duties.
  • Ability to operate personal and drivable man lifts, various forklift trucks, and company vehicles.
  • Must have a valid NJ driver’s license to operate registered company vehicles and a valid ID card for certification for handling refrigeration gases.
  • Ability to work alone or with other trades in demolition and renovation projects.

Other Qualifications

  • Knowledge of mechanics, electrical, ventilation, heating, refrigeration, and air conditioning systems and related equipment. Ability to install and repair various pipe and duct insulation.
  • Knowledge of Sieman’s Energy Management Systems, OSHA, NEC, NFPA, and local electrical, gas, and safety codes and regulations.
  • Must be able to lift 40 pounds. Must be able to pass all applicable medical exams. Will be standing, walking, climbing, and lifting heavy objects for a considerable amount of time.
  • Must be able to operate a variety of equipment and machinery, such as meters and testing devices, pressure gauges, pumps, and hand tools.
  • US Government Secret Clearance or ability to obtain one.



  • Medical with High Deductible and traditional PPO plan options, as well as, vision and a full array of supplemental health benefits
  • A doctor’s service to help with referrals and second opinions for you, your family, and your parents


  • 4 weeks of paid parental leave for moms and dads
  • Fertility treatment
  • Subsidized backup childcare and eldercare
  • Adoption assistance – $5,000 per adoption/$15,000 per employee
  • Pet insurance


  • No cap to your PTO time (for exempt employees)
  • Dress for your day – wear what works for you at work
  • Legal plan for you, your family, and your parents
  • Discount platform
  • 9/80 work schedule available for most U.S. employees

Employer’s Statement

L3Harris Technologies is an Equal Opportunity Employer. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding, or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws.

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