The County of San Diego, Department of General Services
is looking for Qualified Air Conditioning & Refrigeration Mechanics!


The ideal candidate is customer-service oriented, with excellent communication skills, and will possess substantial journey-level experience as a mechanic working with Air Conditioning and Refrigeration.  They will be able install, maintain, repair, conduct data analysis and rebuild commercial refrigeration and air condition systems, and related equipment.


Air Conditioning & Refrigeration Mechanics are allocated to the County of San Diego’s Department of General Services. Incumbents are responsible for maintaining, repairing, and rebuilding control systems in county facilities.

The Department of General Services (DGS) is primarily an internal service department within the County of San Diego. DGS ensures that other County departments have the necessary workspace, services and vehicles to accomplish their own business objectives. These services range from real estate leasing and acquisition support to capital improvement and architectural planning; from facility maintenance and repair services to security management; from vehicle acquisition and maintenance to refueling services.

Click here for additional information on the Department of General Services.


1. Must possess a Universal Certificate in Refrigerant Transition and Recovery from an E.P.A. approved program. AND
2. Two (2) years of journey-level experience independently installing, maintaining, repairing, and rebuilding commercial refrigeration and air conditioning systems and related equipment.

Click here to review a complete job description, knowledge, skills, abilities, and working conditions.


A valid California class C driver’s license, which must be maintained throughout employment in this class is required at time of appointment, or the ability to arrange necessary and timely transportation for field travel. Employees in this class may be required to use their own vehicle.


Work is performed both indoors, outdoors, and sometimes in inclement weather conditions. Working conditions include frequent exposure to moisture, electrical hazards, fumes, and cramped workspace; may be exposed to hazards of building maintenance (i.e., lead, asbestos, etc.). Incumbents are required to wear protective breathing apparatus.

Subject to emergency overtime and/or callback work.


The names of qualified applicants will be placed on a twelve (12) month employment list based on scores received during the evaluation of information contained in their employment and supplemental application.

At the department level, candidates will participate in a performance test which will assess competencies in the area of:  Air Conditioning and refrigeration. Candidates must successfully pass the performance test to advance in the selection process.


Note: Reasonable accommodation may be made to enable an individual with qualified disabilities to perform essential functions of the job, on a case-by-case bas­is.The County of San Diego and its employees embrace the Live Well San Diego vision: A region that is Building Better Health, Living Safely and Thriving. Click here for more information

Under California Government Code Sections 3100 – 3109, public employees are designated as disaster service workers. The term “public employees” includes all persons employed by the state or any county, city, state agency, or public district. Disaster service workers are required to participate in such disaster service activities as may be assigned to them by their employer or by law.

Serving the Citizens of San Diego with Excellence

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