REFRIGERATION MECHANIC

Position/Program Information

TYPE OF RECRUITMENT:

We welcome applications from anyone.

FILING PERIOD:
The application filing period will begin on Monday, December 8, 2025, 8:00 A.M. (PT) - Continuous

We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified applicants.

EXAM NUMBER:
J7745N

JOIN OUR TEAM, click here to view a video about Facilities Services Bureau career opportunities: https://www.youtube.com/watch?v=rlyhzNDEUpk

Check Out Our Outstanding Benefits
Los Angeles County offers one of the strongest public-sector benefits packages in the nation. https://hr.lacounty.gov/benefits/

Why work for us?
With more than 10 million residents, Los Angeles County is the most populous county in the nation! As the largest employer in Southern California, over 116,000 employees in more than 38 Departments provide vital public services as diverse as law enforcement, public health protection, water conservation, cultural activities, and many more.

We are dedicated professionals committed to preserving the dignity and integrity of the workplace as well as protecting the rights of each employee. The County has more than 2,300 different job descriptions, offering a lifetime of opportunities and careers! We offer one of the strongest public-sector benefits packages in the nation. Join us and discover a rich selection of health care options, robust retirement plans, and the flexibility to work, relax, and rejuvenate in order to reach you fullest potential.

Essential Job Functions

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

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, o r 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.

Additional Information

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.

ZERO TOLERANCE POLICY IF HIRED
The Los Angeles County Sheriff's Department (Department) has a "zero tolerance" policy for its employees for the following:

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

Any employee found in violation of this policy will be subject to discharge.

AVAILABLE SHIFT Any Shift

APPOINTEES MUST BE WILLING TO WORK ANY SHIFT, INCLUDING EVENINGS, NIGHTS WEEKENDS, AND HOLIDAYS.

APPLICATION AND FILING INFORMATION
We only accept applications filed online. Applications submitted by U.S. mail, fax, or in person are not accepted. Apply online by clicking on the "Apply" green button at the top right of this posting. This website can also be used to get application status updates. Your application and supplemental questionnaire must be submitted electronically before 5:00 P.M., PT, on the last day of filing.

Please fill out the application completely. Provide relevant job experience including employer's name and address, job title, beginning and ending dates, number of hours worked per week, and description of work performed.
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

NO APPLICATIONS WILL BE ACCEPTED OUTSIDE OF THE OFFICIAL APPLICATION FILING PERIOD, NO EXCEPTIONS.

TO ENSURE THAT YOUR APPLICATION HAS BEEN SUCCESSFULLY SUBMITTED, YOU MUST HAVE RECEIVED A CONFIRMATION EMAIL AS VERIFICATION.

NOTE: Applicants who apply online must upload any required documents as attachments during application submission. If you are unable to attach required documents, you may fax the documents to (323) 415-2580 or email any outstanding required documents to sheriffexamsunit@lasd.org at the time of filing, or within seven (7) calendar days from the date of filing your online application. Failure to provide the required documentation will result in application rejection . Please include your Name, the Exam Number, and the Exam Title on the faxed documents.

SOCIAL SECURITY NUMBER
Federal law requires that all employed persons have a Social Security Number, so include yours when applying.

COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES
For candidates who may not have regular access to a computer or the internet, applications can be completed on computers at public libraries throughout Los Angeles County.

NO SHARING OF USER ID, EMAIL, AND PASSWORD
All applicants must file their application using their OWN user ID and password. Using a family member's or friend's user ID and password may erase a candidate's original application record.

California Relay Services Phone: ( 800) 735-2922
ADA Coordinator Phone: (213) 229-1621
Teletype Phone: (213) 626-0251
Department Contact Name: Professional Examinations Unit
Department Contact Phone: (323) 526-5611
Department Contact Email: sheriffexamsunit@lasd.org

For detailed information, please click here

• 

• Los Angeles County

• (800) 970-5478

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