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Posted August 23, 2026

Chiller Service Technician - Commercial

CoolSys
Concord, NC, US Full Time

Job Description

Job Description

Overview

WHY COOLSYS?

At CoolSys, we offer more than just a job—we provide stability, growth, and industry-leading benefits for our employees. No wonder Newsweek named CoolSys one of America’s Greatest Workplaces! As a large company serving diverse customers, we invest in our team with:

  • Competitive Compensation: $35-40 / hr DOE.
  • Sign on Bonus: Up to $3,000.00 DOE
  • Ongoing Education & Training: Access to state-of-the-art facilities and paid online training.
  • Comprehensive Benefits: Medical, Dental, Vision, and Prescription coverage, paid vacation/holidays, and a 401(K) match.
  • Year-Round, Diverse Work: Stay engaged with consistent, interesting projects throughout the year, working across various industries and systems to keep learning and growing.
  • Extra Perks: Quarterly bonus plan, tuition reimbursement, employee discounts on vehicles, hotels, theme parks, pet insurance, and more.

Join us and advance your career while working with top-tier clients in the HVAC and refrigeration industry!


Responsibilities

JOB SUMMARY

The Service Tech 3 is responsible for repairing, maintaining, diagnosing, testing and performing scheduled inspections on advanced mechanical refrigeration systems and associated equipment throughout the facility.

ESSENTIAL DUTIES AND RESPONSIBILITIES

  • Provides preventative and corrective service on refrigeration and HVAC equipment.
  • Provides preventative and corrective service on screw, centrifugal and reciprocating compressors.
  • Reads blueprints, runs conduit, wires devices, troubleshoots and performs quality control testing.
  • Reads and interprets mechanical and electrical drawings and code specifications for determining wiring layouts.
  • Trouble-shoots, tests and repairs various electrical systems and power distribution systems to ensure that they are working properly.
  • Utilizes construction and fabrication skills.
  • Ensures and monitors safe work practices and safety guidelines.
  • Be actively involved in all of the elements of the PSM/RMP programs.
  • Performs complete inspection with minimal errors.
  • Performs upgrades or preventive maintenance to mechanical and electrical control systems.
  • Provides informal and formal training for other team members as required.
  • Embodies the CoolSys CARES culture (Collaboration, Accountability, Respect, Empowerment, Safety).
  • Performs other duties as assigned.

Qualifications

JOB REQUIREMENTS

Education / Training

  • High school diploma, GED, or completion from trade program or technical school, required.
  • EPA Certification (Type I, II and III).
  • All required safety certifications.

Work Experience / Skills

  • 3-5 years’ work experience in commercial HVAC, refrigeration.
  • Experience working on refrigeration equipment in convenience, supermarket stores, industrial chillers and cooling towers.
  • Expert knowledge of tools, equipment, and materials common to the refrigeration, HVAC and electrical trade.
  • Expert knowledge of refrigeration and HVAC theory and application.
  • Expert knowledge of applicable electrical codes, standards, and regulations.
  • Expert knowledge of electrical application for high and low voltage electric system.
  • Expert knowledge of water flow, water cooled equipment and controls.
  • Expert knowledge of air flow and pressure.
  • Expert knowledge of different types of centrifugal compressors, piston compressors, screw compressors.
  • Expert knowledge of evaporative and cooling towers, chillers and purging unit.
  • Expert knowledge of ammonia systems.
  • Expert skill in the installation, repair, and maintenance of all types of electrical system equipment and components.
  • Understands quality management system and safety procedures.
  • Ability to use a variety of hand tools, machine tools, and precision measuring instruments.
  • Ability to supervise team members.
  • Ability to bid jobs and make material/equipment lists.
  • Skill in both verbal and written communication.
  • Skill in both verbal and written communication.
  • Good driving record.
  • Valid driver’s license required at all times.
  • Ability to understand and follow all company policies and procedures and all applicable State and Federal laws.
  • Ability to use typical business tools including E-Mail, Word, Excel, etc.

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