Refrigeration Mechanic

Installs refrigeration components such as compressors, evaporators, condensers, motors, blowers and pumps.

Installs and connects piping and tubing for refrigeration and air conditioning systems.

Installs, calibrates and repairs refrigeration and air conditioning system instruments and electrical and pneumatic controls.

Diagnoses operating malfunctions and repairs chillers, boilers, walk-in refrigeration, and air conditioning systems.

Tests, charges, repairs and adjusts refrigeration units, ice machines, and variable frequency drives.

Reads blueprints to determine location, size, capacity, and type of components needed to carry out work-related activities.

Tests and chemically treats water used in heating and cooling systems.

Overhauls compressors, burners, gas valves, pumps, fans and other heating, ventilating or cooling system components.

Adjusts and balances air distribution systems.

Checks installations for conformance with legal requirements and safety codes.

Sets and adjusts computerized systems that control heating, cooling, and airflow equipment.

Drives to any Sheriff’s Department facilities located throughout Los Angeles County to perform job-related essential functions.

Participates in the installation, maintenance and repair of steam and hot water heating and related equipment such as boilers, water heaters, and recirculating pumps; and participates in annual boiler inspections, as required.

Maintains tools and equipment.

Supervises apprentices and helpers, as required.

For more information, please view the classification specification: Refrigeration Mechanic

REQUIREMENTS TO QUALIFY

OPTION I: 
Completion of a heating, ventilation, air conditioning (HVAC) mechanic apprenticeship program*.

OPTION II:
Six years of experience in the installation, alteration, maintenance, and repair of commercial and domestic heating, ventilation, refrigeration and air conditioning systems involving modulating and safety controls, thermostats, humidifiers and duct stats, one year of which must have been at the journey-level** and have included the installation and repair of central multi-zone forced air or water heating and/or cooling systems***.

VISION: Normal color vision.

LICENSE(S)
A valid California Class C Driver License is required to perform job-related essential functions. Candidates offered these positions would be required to show proof of a driver license prior to appointment.

Out-of-state applicants must have a valid license from the state in which they reside at the time of filing. Out-of-state applicants will be required to obtain a California Class C Driver License prior to appointment.

LICENSE INFORMATION
Successful applicants for this position will be required to obtain a copy of their driving record from the California State Department of Motor Vehicles before being appointed. A copy of your record must be presented at the time of your appointment. License must not be suspended, restricted, or revoked. AN APPLICANT WHOSE DRIVING RECORD SHOWS THREE (3) OR MORE VIOLATIONS WITHIN THE LAST YEAR WILL NOT BE APPOINTED.

CERTIFICATE
An Environmental Protection Agency (EPA) approved Universal Technician Certificate in compliance with Federal license requirements as provided in Chapter V, Section 608 ****.

PHYSICAL CLASS
Physical Class III – Moderate: This class requires that the incumbent stand or walk most of the time with bending, stooping, squatting, twisting, reaching, working on irregular surfaces, occasional lifting of objects weighing over 25 pounds, and frequent lifting of 10-25 pounds.

SPECIAL REQUIREMENT INFORMATION
*To qualify under Option I, applicants must submit a photocopy of the certificate of completion of a recognized HVAC mechanic apprenticeship program WITH your online application at the time of filing, or within seven (7) calendar days from the date of application filing. Failure to provide the required documentation will result in application rejection.  Apprenticeship training programs must be recognized by a national, global, or regional accrediting agency, the California State Department of Education, the California State Department of Labor Division of Apprenticeship Standards, or the Council for Private Postsecondary, and Vocational Education.

**Journey-level experience applies to a person who has completed an apprenticeship program or is an experienced worker, not a trainee, and is fully qualified and able to perform a specific trade without supervision.

***To qualify under Option II, please ensure application/resume contains detailed information specifically addressing journey-level experience in the installation and repair of central multi-zone forced air or water heating and/or cooling systems.

****In order to qualify, applicants MUST submit a copy of the required EPA approved Universal Technician Certification with their online application at the time of filing, or within seven (7) calendar days from the date of filing your online application. Applications submitted without evidence of the certification will be considered incomplete. The original certificate must be presented at the time of appointment. Failure to submit the required documentation will result in application rejection.

SUPPLEMENTAL QUESTIONNAIRE
As part of this application process, applicants will be required to complete a supplemental questionnaire. The questionnaire contains a pre-investigative questionnaire which will be used as part of the background investigation process to ensure applicants meet the standards set forth by the Los Angeles County Sheriff's Department. Applicants who fail the pre-investigative questionnaire will be disqualified and will have to wait three (3) months from the date of the disqualification in order to reapply.

EXAMINATION CONTENT
This examination will consist of a structured interview, weighted 100%, assessing Applied Experience & Training, Adaptability, Analysis & Troubleshooting, Technical Knowledge, Attention to Detail, Computer Knowledge, Interpersonal Relations, Planning & Organizing, Safety Concerns, and Oral Communications.

APPLICANTS MUST ACHIEVE A PASSING SCORE OF 70% OR HIGHER IN THE EXAMINATION IN ORDER TO BE PLACED ON THE ELIGIBLE REGISTER.

TESTING ACCOMMODATION
If you require an accommodation to fairly compete in any part of the assessment process, you will be required to submit documentation from a qualified medical provider or other qualified professional to support your request for a testing accommodation. Please note, you will be contacted at a later time by a Sheriff's Department representative that will guide you through the process. You will be provided with an initial deadline to submit documentation. Failure to submit the required documentation by the deadline will delay your participation in the examination process and consideration for initial placement on the eligible register. 

VETERAN'S CREDIT
If you are a veteran, you may be eligible for veteran's credit, which is an additional 10% of the total points added to a passing score. We will need a copy of your form DD214 to review, so please include that with your application or email it to sheriffexamsunit@lasd.org within seven (7) calendar days from the date of filing your online application.

ELIGIBILITY AND VACANCY INFORMATION
The names of applicants receiving a passing grade in the examination will be placed on the eligible register in the order of their score group for a period of six (6) months from the date of promulgation. Applications will be processed on an as-received basis and promulgated to the eligible register accordingly.

NO PERSON MAY COMPETE IN THIS EXAMINATION MORE THAN ONCE EVERY SIX (6) MONTHS.

The list of successful applicants created from this exam will be used to fill vacancies within the Los Angeles County Sheriff's Department, Administrative Services Division, Facilities Service Bureau.

SPECIAL INFORMATION

SUCCESSFUL APPLICANTS MUST COMPLETE A THOROUGH BACKGROUND INVESTIGATION, INCLUDING FINGERPRINT SEARCH. Examples of disqualifying factors include: Any felony convictions; job related misdemeanor convictions; certain serious traffic convictions or patterns of traffic violations (3 moving violations in one year; failure to appear; at fault accidents; suspended license; driving under the influence); poor credit history; poor employment history; substance abuse; anyone on probation.

• use of narcotics, controlled substances, and/or prescription drugs without a prescription.

We may verify information included in the application at any point during the examination and hiring process, including after an appointment has been made. Falsification of information could result in refusal of application of rescission of appointment. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements. Doing so may result in an incomplete application and may lead to disqualification. 

We will send notifications to the email address provided on the application, so it is important that you provide a valid email address. If you choose to unsubscribe or opt out from receiving our emails, it is possible to view notices by logging into governmentjobs.com and checking the profile inbox. It is every applicant's responsibility to take steps to view correspondence, and we will not consider claims of missing notice to be a valid reason for re-scheduling an exam part. Register the below domains as approved senders to prevent email notifications from being filtered as spam/junk mail. 

• vltinana@lasd.org
• info@governmentjobs.com
• noreply@governmentjobs.com

COUNTY OF LOS ANGELES

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

Equal Employment Opportunity/Non-Discrimination Statement:
The County of Los Angeles is an Equal Employment Opportunity Employer and is committed to non-discrimination in the County workforce, regardless of age (40 and over); ancestry; color; ethnicity; religious creed; protected family or medical leave status; disability; marital status; medical condition; genetic information; military and veteran status; national origin; race ; sex; gender; sexual orientation; or any other characteristic protected by State or federal law. For more information, please visit: https://employee.hr.lacounty.gov/eeo-programs/.

Testing Accommodations for Applicants:
The County of Los Angeles complies with all federal and state disability laws and makes reasonable accommodations for qualified applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application process, please contact the testing accommodation coordinator listed on the job posting. Hearing impaired applicants with telephone teletype equipment may leave messages by calling the teletype phone number on the job posting. For more information on accommodations, please visit: https://hr.lacounty.gov/accessibility/.

Fair Chance:
The County of Los Angeles is a Fair Chance employer. Except as otherwise permissible under applicable laws, you will not be asked to provide information about conviction history unless you receive a conditional offer of employment. The County will make an individualized assessment of whether your conviction history has a direct and adverse relationship with the specific duties of the job, and will also consider potential mitigating factors, which may include, but is not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of the offense(s). If asked to provide information about conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed. Qualified applicants with arrest or conviction records will be considered for employment in accordance with County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Employment Eligibility:
Final appointment is contingent upon verification of U.S. citizenship or the right to work in the United States.

Career PathFinder:
Resources to help current and prospective employees plan a career with Los Angeles County are available. To explore career paths to and from nearly all job titles, please visit our interactive Career PathFinder application at http://career-pathfinder.hr.lacounty.gov.

Veteran’s Credit:
Pursuant to the County Charter and County policy, in all open competitive examinations (i.e., examinations open to everyone), the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran, as well as the spouse of a deceased or disabled veteran, who served in the Armed Forces of the United States under specific conditions.
For more information on veteran’s credit, please visit: https://file.lacounty.gov/SDSInter/dhr/205102_PPG_115.pdf

Revised September 2025