Demo

Senior HVAC Service Technician

Countywide Mechanical Systems, LLC.
El Cajon, CA Full Time
POSTED ON 9/25/2025
AVAILABLE BEFORE 11/28/2025
Join Countywide Mechanical Systems

Countywide Mechanical Systems, headquartered in El Cajon, California, has been a trusted leader in mechanical contracting since 1998. Specializing in the design, installation, and maintenance of commercial HVAC, plumbing, and controls, the company serves a diverse range of sectors, including healthcare, education, government, commercial, and industrial.

As a proud member of the Modigent family, Countywide Mechanical Systems is committed to delivering innovative solutions that optimize operations and enhance occupant experiences. The company's team of skilled professionals ensures high-quality service and craftsmanship on every project.

Position Overview: 

Countywide Mechanical Systems is looking to hire a knowledgeable and motivated Senior Service Technician (Service Technician III) to its growing team. This position will work independently to perform comprehensive maintenance and service on a diverse range of commercial air-conditioning equipment. This includes, but is not limited to, unitary products up to 50-ton package units, boilers, heat exchangers, control valves, and chillers (including retrofitting), all without supervision.

What You’ll Be Doing

  • Service products and equipment from 1-ton mini splits to 50 ton package units, boilers, chillers, control valves, heat exchangers & evaporative coolers on assigned projects, ensuring customer satisfaction by identifying, analyzing, diagnosing and repairing equipment and systems at customer’s location.
  • Uses cutting edge software and technology, along with a variety of hand-tools, following blueprints or engineering specifications, to diagnose and repair units.
  • Provide all information from each service call to the dispatcher before leaving job site and document work by accurately completing paperwork and maintaining files.
  • Expand business by discussing service opportunities with account salespersons.
  • Continually enforces safety to the highest standards and maintains security and accountability of company issued and procured assets by recording use, wear and conditions.
  • Displays team effort and dedication to customer by maintaining flexibility to work overtime, on-call rotation and weekends as the business requires, including occasional overnight stays.

General Requirements

  • At least 5 years of experience in commercial HVAC services.
  • Valid EPA Certification required.
  • Thorough knowledge of commercial-grade HVAC equipment and systems, including the ability to troubleshoot, maintain, and service various components.
  • Strong written and verbal communication skills.
  • Self-motivated and punctual.
  • Ability to multitask with excellent follow-up skills, both internally and externally.
  • Professional in appearance and communication.
  • Experience with government facilities is a plus.
  • Capable of working independently, responsibly responding to dispatched service calls in a company vehicle.
  • Must have a good driving record and possess a valid driver’s license
  • Ability to frequently lift 30lbs and occasionally lift 50lbs
  • Must be able to pass a background check and drug test

Why Choose Us? 

Leader in the Industry: Join a company recognized for its innovation and leadership in delivering next-generation solutions and building services to a diverse range of clients. 

Commitment to Excellence: We prioritize safety, quality, and productivity in all our work, ensuring that our HVAC and Plumbing Systems are reliable and effective. 

Customer-Centric Approach: We exceed customer expectations through proactive communication, adherence to schedules, and continuous improvement initiatives. 

Growth Opportunities: Join a supportive and dynamic environment that offers numerous opportunities for professional development and career advancement.

Competitive Pay and Benefits: We offer comprehensive benefits package including health, vision, and dental insurance, 401(k) matching, paid time off, and company holidays. 

Ready to Elevate Your Career? 

Join Countywide Mechanical Systems and the Modigent group of operating companies, where we value expertise, foster innovation, and are committed to excellence. Apply today to advance your professional journey and become part of a dynamic organization dedicated to growth and success! 

SAFETY SENSITIVE POSITION 

Pay Range:  $35 - $42 per hour

Salary : $35 - $42

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