Apprentice Operating Engineer Jobs in Alhambra, CA

Salary : $105,975.84 Annually
Location : Los Angeles County, CA
Job Type: Full time
Job Number: J7198P
Department: SHERIFF
Opening Date: 06/01/2026
Position/Program Information
TYPE OF RECRUITMENT:
We welcome applications from everyone.
FILING PERIOD:
We will be accepting online applications from Tuesday, June 2, 2026, at 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 candidates.
EXAM NUMBER:
J7198P
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Essential Job Functions
Operates, maintains, repairs and inspects manual and automatic gas and oil fired high-pressure steam or high temperature hot water boilers.
Operates, maintains, repairs and inspects motors, steam driven equipment, steam reducing stations, expansion tanks, air compressors, supply and exhaust fans, various kinds of pumps and valves, steam traps, water treatment systems, water heaters and other heating plant auxiliary equipment.
Operates, maintains, repairs, and inspects reciprocating, centrifugal or absorption central air conditioning machinery including condensers, evaporators, cooling towers, pumps, purge tanks and related equipment.
Adjusts, maintains, tests, and calibrates boiler and air conditioning machinery and mechanical, electrical or pneumatic control instruments and safety devices.
Tests, analyzes, and treats plant water systems to ensure proper chemical specifications.
Inspects oxygen and vacuum systems for proper pressure and operating conditions.
Inspects fire alarm systems and main electrical distribution stations for proper operating conditions.
Maintains logs of plant operations and records maintenance and repair work performed.
Ensures proper safety response when using different equipment and machinery and uses personal protective equipment when necessary.
For more information, please view the classification specification:
Requirements
REQUIREMENTS TO QUALIFY
Option I: Completion of a Stationary Engineer's or Operation/Maintenance Engineer's apprentice program.*
Option II: Five (5) years of experience in the operation and maintenance of high- or low-pressure gas or oil-fired boilers and auxiliary equipment, one (1) year of which must have been in the operation and maintenance of refrigeration equipment. One (1) year of classroom training from a trade school, college, a branch of military service, or other equivalent accredited school in the operation, maintenance, and repair of refrigeration equipment, combustion controls or industrial controls equipment, boilers, or water treatment systems related to power plant operations, in any combination, may be substituted for one (1) year of the required special experience.**
LICENSE
A valid California Class C Driver License or the ability to use an alternative method of transportation when needed to carry out job-related essential functions.
An Unlimited Steam Engineer's License issued by the City of Los Angeles' Department of Building and Safety.***
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 Stationary Engineer's or Operation/Maintenance Engineer's apprentice program.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.
**To qualify under Option II, using the classroom training substitution, you MUST submit a legible copy of the certificate, official transcripts, or official letter from the accredited institution which shows the area of training. The original certificate must be presented at the time of appointment. Unofficial transcripts will not be accepted to meet the educational requirement. Applicants with degrees from foreign universities may need to provide an evaluation of U.S. equivalency and official translation of the degree to English. For more information on our standards for educational documents, please visit:
https://file.lacounty.gov/SDSInter/dhr/070812_PPG123.pdf and
https://file.lacounty.gov/SDSInter/dhr/205105_PPG_123_ACE_Resource_Guide.pdf
***In order to qualify, applicants MUST submit a legible copy of the required EPA approved Universal Technician Certification -AND- Unlimited Steam Engineer's License issued by the City of Los Angeles' Department of Building and Safety. The original certificate must be presented at the time of appointment.
NOTE: The required documents above must be submitted at the time of application filing or within seven (7) calendar days from the date of application filing. Please submit documentation to and indicate your name, the exam title and the exam number. Failure to provide 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 assessing: Training/Applied Experience, Technical Knowledge, Analysis and Problem Solving, Willingness to Learn and Share Information, Drive, Motivation and Initiative, and Oral Communication, weighted 100%.
APPLICANTS MUST ACHIEVE A PASSING SCORE OF 70% OR HIGHER ON 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 as soon as possible, so if you are eligible for veteran's credit, we can include it before the list is available.
ELIGIBILITY AND VACANCY INFORMATION
Applicants who passed the assessment(s) are placed on a list in the order of their score group for a period of twelve (12) months. Applications will be processed as they are received and added to the list accordingly. We will use this list to fill vacancies in the Los Angeles County Sheriff's Department, Administrative Services Division, Facilities Services Bureau.
NO PERSON MAY COMPETE IN THIS EXAMINATION MORE THAN ONCE EVERY TWELVE (12) MONTHS.
SPECIAL INFORMATION:
SUCCESSFUL CANDIDATES 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 criminal 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 or 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 notices 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.
New email addresses need to be verified. This only needs to be done once per email address and can be done at any time by logging in to governmentjobs.com and following the prompts. This is to enhance the security of the online application and to prevent incorrectly entered email addresses.
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.
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 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
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 e