Senior HVAC Mechanic

CHENEGA TRI-SERVIES, LLC

Honolulu, HI

The HVAC Mechanic, Senior maintains, repairs refrigeration, air conditioning, and water-cooling equipment, boilers, HVAC and associated physical plant equipment. Will inspect, repair, replace, and perform maintenance on HVAC systems to ensure they remain in a fully operational condition. Installs services and repairs environmental-control systems in office buildings and other commercial establishments, utilizing knowledge of refrigeration theory, pipefitting, and structural layout.

• Provide all maintenance and repair of all heating, ventilating, air conditioning systems and related energy management systems.
• Operate, maintain, and repair air compressors, together with distribution lines and all valves and devices for air control.
• Operate, maintain, and repair pumps, handling brines, or other secondary refrigerating liquids, together with all valves, appurtenances and lines used in the system
• Maintain proper operation during seasonal changes and recalibrate controls based on seasonal conditions to ensure energy efficient operation.
• Operate, maintain, and repair heating systems, boiler control systems to meet manufacturer's specifications.
• Diagnosis repair needs and performs corrective measures to include mechanical, plumbing, and electrical functions.
• Maintain records for equipment and daily logs.
• Perform preventive maintenance, diagnosis and repair on conventional air conditioning systems, freezers, refrigeration and associated physical plant equipment.
• Maintain, repair, and replace thermostatic expansion and pressure limited devices and valves, motors, compressors, starters, thermostats, piping, coils boiler burners, and other assorted HVAC system controls and components.
• Trace electrical circuits, installs and repairs time clocks and regulatory controls and makes minor repairs to electrical circuit breakers and motor controls.
• Perform related work assigned or required, such as balancing capacities and loads of refrigeration and air conditioning equipment; laying out and/or making estimates for repairs and new installations; ordering parts and equipment.
• Perform work as required to repair or replace plumbing system components, roof and area drains, door systems, and other general components of buildings.
• Support the development of a refrigerant management plan to meet contract requirements
• Operate, repair, and maintain cooling towers
• Maintain building temperature during occupied hours to comply with ASHRAE Standard 55-2013, Thermal Environmental Conditions for Human Occupancy.
• Adjust cooling, heating, reheating, preheating, and humidity to control environmental conditions required by the equipment served by these systems.
• Maintain, diagnose, test, overhaul, install, and repair a variety of refrigeration, dehumidification, AC, ventilation, and heating systems.
• Mount compressor and condenser units on platform or floor, using hand tools, following blueprints or engineering specifications.
• Fabricate, assemble, and install ductwork and chassis parts, using portable metalworking tools and welding equipment
• Replace filters, belts, and adjusts temperatures for environmental control
• Install evaporator unit in chassis or in air duct system, using hand tools
• Cut and bend tubing to correct length and shape, using cutting and bending equipment and tools
• Cut and threads pipe, using machine or hand threading equipment
• Join tubing or pipes to various refrigerating units by means of sleeves, couplings or unions, and solders joints, using torch, forming complete circuit for refrigerant
• Install expansion and discharge valves in circuit. Connect motors, compressors, temperature / humidity controls, and circulating ventilation fans to control panels and connects control panels to power source
• Install air and water filters in completed installations
• Inject nitrogen in compressor to test systems and add freon gas to build up prescribed operating pressure
• Test joints and connections for gas leaks, using leak testers and soap solution
• Wrap pipes in insulation and secures them in place
• Replace defective breaker controls, thermostats, switches, fuses, and electrical wiring to repair installed units, using electricians hand tools and test equipment
• Observe pressure and vacuum gauges and adjust controls to insure proper operation
• Must wear and use all required personal protective equipment (PPE), such as safety glasses, safety shoes, ear plugs, hardhat, etc.
• Ensure work orders when complete are properly filled out and returned to work management
• Supports the project Safety Plan through personal involvement in all aspects of safety, including training and attention to the adherence to safety requirements pertaining to trades or skills.
• This position has been designated as Mission Critical. Mission Critical personnel are defined as those required to meet the facilitys safety and security needs during lockdown conditions.
• This position may be part of an emergency management/response team as required by the company to meet contract requirements.
• Other Duties as assigned

• Minimum five (5) years full-time experience in the air conditioning and refrigeration trade as a HVAC/R technician in a commercial or institutional setting and at
• Minimum two (2) years leadership experience as a Lead Technician or Foreman.
• Universal CFC

Knowledge, Skills and Abilities

• Ability to obtain Homeland Security clearance/DHS.
• Possess good organization and communication skills, as well as maturity and ability to deal with all levels of people, both inside and outside the company.
• Knowledge of various types of air conditioning equipment (split systems, wall a/c units, and vav systems)
• Skilled with pressure gauges, scales, recover equipment, torch sets, brazing equipment, and materials
• Ability to lift and/or move up to 50 pounds

Physical Demands (The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.)

• While performing the duties of this Job, the employee is regularly required to sit and talk or hear. The employee may use repeated motions that include the arms, wrists, hands and/or fingers. The employee is occasionally required to walk, stand, climb, balance, stoop, kneel, crouch, or crawl. The employee must occasionally lift and/or move up to 50 pounds. Specific vision abilities required by this job include close vision.