HVAC/R Service Technician

CoolSys•Dover Air Force Base, DE

21d

About The Position

CoolSys is hiring an HVAC/R Service Technician to repair, maintain, diagnose, and test commercial heating, ventilation, air-conditioning, and refrigeration equipment. The role includes work on compressors, pumps, air handlers, controls, ice machines, furnaces, motors, condensers, display cases, and walk-in boxes. Technicians also perform preventive maintenance and minor construction or remodeling work, including startup of new installations. The position requires timely attendance, accurate work records, adherence to company policies and applicable laws, and embodiment of the CoolSys CARES culture: Collaboration, Accountability, Respect, Empowerment, and Safety. Other duties may be assigned. The role offers compensation of $30–$40 per hour and a sign-on bonus of up to $3,000, depending on experience. CoolSys describes ongoing education and training, including paid online training and access to state-of-the-art facilities, as well as year-round work across diverse customers and systems.

Requirements

High school diploma or GED, equivalent work experience, and trade or technical school classes.
Valid EPA certificate.
At least 5 years of experience in commercial HVAC, refrigeration, and electrical work.
Basic knowledge of refrigeration, HVAC, ice machines, gas furnaces, and electrical systems.
Knowledge of the components in a single-phase compressor and single-phase motor control circuit.
Ability to use an ohmmeter and verify that a capacitor is in good condition.
Ability to demonstrate understanding of defrost circuits and verify that a defrost termination is functional.
Knowledge of schematics and wiring diagrams.
Ability to identify and explain the function of refrigeration components.
Ability to properly leak-check a single-compressor system.
Ability to demonstrate proper use of PPE and safety equipment.
Ability to set up an LPC as the primary temperature control and as a pump-down safety control.
Ability to determine superheat and set expansion-valve superheat.
Ability to demonstrate proper preventive-maintenance tasks for HVAC systems.
Knowledge of the functions and safety precautions of gas-furnace components.
Ability to properly recover refrigerant from a refrigeration system.
Ability to change oil in a vacuum pump and properly connect a gauge set for evacuation.
Knowledge of reporting procedures for a large refrigerant release.
Ability to lift up to 60 pounds without assistance and sit and/or stand for several hours at a time.
Valid driver’s license and good driving record.
Ability to understand and follow company policies and procedures and applicable state and federal laws.
Ability to use typical business tools, including email, Word, and Excel.

Nice To Haves

Experience working on refrigeration equipment in convenience stores or supermarkets.
Familiarity with single systems and rack systems, and previous work on display cases and walk-in boxes.

Responsibilities

Report to work in a timely manner as scheduled by the supervisor.
Repair and overhaul compressors, water pumps, air handlers, electrical and mechanical control devices, and similar machinery.
Test malfunctioning systems and components using electrical and/or mechanical skills.
Maintain legible corporate and personal records of work history.
Perform general repair work on refrigeration, heating, and ventilation equipment, including air-conditioning units, evaporative condensers, ice machines, water pumps, gas furnaces, compressors, and electric motors.
Perform preventive maintenance and diagnose equipment malfunctions and operating efficiency.
Perform work on minor construction and remodeling projects, including startups of new installations.
Embody the CoolSys CARES culture of Collaboration, Accountability, Respect, Empowerment, and Safety.
Perform other duties as assigned.