Diesel Apprentice Jobs in Riverside, CA (NOW HIRING)

Salary : $68,235.80 - $87,316.02 Annually
Location : Riverside
Job Type: Regular
Job Number: 26-66441-02
Department: TLMA Transportation
Division: Transportation Equipment - ISF
Opening Date: 08/25/2026
Closing Date: 9/14/2026 11:59 PM Pacific
For questions regarding this position, please contact the Recruiter listed in the Supplemental Information section.
ABOUT THE POSITION
The County of Riverside seeks candidates to fill positions throughout Riverside County. A list of eligible candidates will be established to fill current and future vacancies.
The County of Riverside's TLMA Transportation Department has multiple opportunities for Truck Mechanics, located in Riverside.
The Truck Mechanic will be tasked to perform a wide range of services on medium and heavy-duty gas and diesel trucks and trailers. Responsibilities will include servicing, adjusting, diagnosing and repairing mechanical defects. Experience in differentials, starters, alternators, hydraulic and air brake systems, clutches, axles, steering gears, suspension components, carburetors, fuel injection systems, cooling systems, air conditioning systems electrical systems is required. Including, mechanical experience with Compressed Natural Gas (CNG) vehicles.
The most competitive candidates will be experienced with: Microsoft Word, Microsoft Excel, CAT ET, CUMMINS In-Site and Bendix software programs; knowledgeable of Asset Works or other preventative maintenance software and able to maintain vehicle records in accordance with Department of Transportation (DOT) standards.
Basic Inspection of Terminals (BIT) program knowledge and/or welding/fabrication are highly desired.
The selected candidate may be required to supply their own basic tools to perform the essential functions of the Truck Mechanic position.
The anticipated work schedule is 4/10.
MEET THE TEAM!The (TLMA) is the umbrella agency for seven county departments. They are the Planning Department, Building & Safety Department, Transportation Department, Code Enforcement Department, Environmental Programs Department, Aviation Department and the Administrative Services Department.
EXAMPLES OF ESSENTIAL DUTIES
• Inspect and diagnose mechanical failures and defects in a variety of heavy trucks.
• Rebuild or repair engines, transmissions, differentials, clutches, axles, steering gears, carburetors, cooling systems, and other mechanical and electrical assemblies.
• Complete tune-ups on carburetion, fuel injection, and ignition systems.
• Replace and adjust air, hydraulic and vacuum brakes, starters, and generators.
• Repair smaller automotive equipment when required; rough welding; maintain time and material records.
MINIMUM QUALIFICATIONS
OPTION I
Experience: Completion of a recognized heavy-duty truck mechanic apprenticeship training program.
OPTION II
Experience: Four years in the repair and overhaul of heavy diesel and gasoline powered vehicles. (Completion of trade related courses from an accredited college or university may be substituted for the required experience on the basis of 12 semester or 24 quarter units equaling two years of the required experience.)
OPTION III
Experience: Four years in the repair and overhaul of heavy diesel and gasoline powered vehicles. (Completion of 144 hours of trade related courses from a recognized occupational training center, vocational school or specialized industrial program equaling six months of the required full-time experience.)
Other Requirements
Possession of a valid California Driver License: Class B with tanker endorsement and ability to work in an environment with exposure to automotive/heavy equipment fluids/odors.
Applicants advancing to interviews will be required to submit a Department of Motor Vehicles (DMV) Driving Report.
ALL OPTIONS
Knowledge Of
The principles of both gasoline and diesel internal combustion engines; the methods, tools, equipment, and parts used in the repair and maintenance of heavy trucks; the operations and uses of diagnostic equipment.
Ability To
Diagnose the source of mechanical and electrical failures in heavy gasoline and diesel-powered trucks; read and understand shop manuals and mechanical diagrams; follow written and oral directions; perform work safely.
Department of Transportation
For those positions designated by the Department of Transportation (DOT) as safety-sensitive, applicants are required to complete a DOT mandated alcohol and drug-screening. (A positive test or refusal to test during the past two years will disqualify an applicant from consideration for County employment). Reference checks from former DOT regulated employers are also required.
Employees in safety-sensitive positions are subject to DOT alcohol/drug testing in the following situations: random, reasonable suspicion/cause, return-to-duty, and post-accident.
Pre-Employment
All employment offers are contingent upon successful completion of both a pre-employment physical exam, including a drug/alcohol test, and a criminal background investigation, which involves fingerprinting. (A felony or misdemeanor conviction may disqualify the applicant from County employment.)
Probationary Period
As an Approved Local Merit System, all County of Riverside employees, except those serving "At Will," are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, County Resolution, or Salary Ordinance. Temporary and Per Diem employees serve at the pleasure of the agency/department head.
SUPPLEMENTAL INFORMATION
Application Status:
How to confirm your application was received or check on the status of your application, log-in to , click on your name in the upper right corner, and click on "Applications & Status."
Sign Up for Job Alerts:
Go to , click on "Careers," click on "County Job Openings," and click on "Subscribe to Job Alerts" icon.
For questions regarding this recruitment:
Contact Richard Griego at 951-955-5162 or Please allow 1-2 business days for a response to general inquiries.
APPLICATION INFORMATION
Veteran's Preference
The County has a Veterans Preference Policy applicable to new hires. To qualify, attach the required documents to your job application. Documents include a copy of your (or your spouse's) Member-4 Form DD-214 indicating dates of service. For spousal preference, and as applicable, the following documents: a copy of your marriage certificate, spouse's death certificate, a letter of spouse's disability and/or letter of service-related death (if available) from the U.S. Veteran's Administration. For privacy reasons, it is recommended that you remove your social security information from the document(s). A Human Resources Representative will review the materials and determine if you qualify for veterans' preference. For complete details and documentation requirements, please review the Veterans Preference Policy, C-3 here:
Reasonable Accommodations
The County of Riverside is committed to providing reasonable accommodation to applicants as required by the Americans with Disabilities Act (ADA) and Fair Employment and Housing Act (FEHA). Qualified individuals with disabilities who need a reasonable accommodation during the application or selection process should contact the recruiter for the position noted above. For additional information and/or to obtain the appropriate form for requesting a reasonable accommodation, please visit the Disability Access Office web page located at:
Work Location and Telework
In-person attendance is the standard work expectation for County of Riverside assignments. Certain assignments may be eligible for a hybrid telework schedule; however, telework arrangements are subject to management approval, operational needs, and/or may be modified or discontinued at any time. Employees who telework are expected to be able to report to their assigned worksite on short notice or as operational needs require. Unless otherwise specified for a particular position, employees are expected to reside in California following appointment. Limited exceptions may apply. Applicants should contact the assigned recruiter for additional information regarding work location expectations, telework eligibility, and residency requirements.
Proof of Education
If using education to qualify or when requested by the recruiter, upload a copy of any license(s), official/unofficial transcript(s), degrees, and/or related employment documents to your NeoGov account at the time of application and before the closing date. Official or unofficial transcripts will be accepted.
If your education was completed outside of the United States, you will need to provide a copy of your Foreign Education Equivalency evaluation from a member of the National Association of Credential Evaluation Services () or Association of International Credential Evaluators, Inc. ().
Work Authorization Requirement
Applicants must be legally authorized to work in the United States at the time of application. The County of Riverside does not participate in visa sponsorship programs, including H1-B visas, and will not provide sponsorship for any employment-based visas.
Equal Opportunity Employer
The County of Riverside is an Equal Opportunity Employer. It is the policy of the County of Riverside to provide equal employment opportunities for all qualified persons. All applicants will be considered without regard to race, color, religion, sex, national origin, age, disability, sexual orientation, gender, gender identity, gender expression, marital status, ancestry, medical condition (cancer and genetic characteristics), genetic information, or denial of medical and family care leave, or any other non-job-related factors.
Pre-Employment
All employment offers are contingent upon successful completion of pre-employment requirements including a criminal background investigation, which involves fingerprinting. (A felony or misdemeanor conviction may disqualify the applicant from County employment). A pre-employment physical examination and background check may be required.
Probationary Period
As an Approved Local Merit System, all County of Riverside employees, except those serving "At Will," are subject to the probationary period provisions as specified in the applicable Memorandum of Understanding, County Resolution, or Salary Ordinance. Temporary and Per Diem employees serve at the pleasure of the agency/department head.
General Information
Current County of Riverside and/or current employees of the hiring department may receive priority consideration. Qualified candidates may be considered for future County vacancies.
Job postings may close without notice based on application volume. Submit your complete application by the recruitment close date; no late applications are accepted. Ensure all relevant experience/education is reflected on your application/resume, as a failure to demonstrate position requirements may disqualify applicants. A description of job duties directly copied from the job classification or job posting will not be considered.
Please read and follow any special application instructions on this posting. Click the 'Apply' link located on this page to submit your application. For additional instructions on the application process, examinations, Veteran's preference, pre-employment accommodation or other employment questions, please refer to our web site,
If you are experiencing technical problems, you may contact the governmentjobs.com applicant support desk Monday through Friday, 6 am to 5 pm Pacific Time at support@governmentjobs.com or toll-free 1-855-524-5627.
BENEFIT PROGRAM: UPE
MEDICAL/DENTAL/VISION INSURANCE: A choice of different medical, dental and visions plan are available to elect. The County provides a Flexible Benefit Credit contribution as governed by the applicable LIUNA Memorandum of Understanding to contribute towards the cost of these plans.
Note: Employees on assignment through the Temporary Assignment Program (TAP) receive different benefits. See the list
MISCELLANEOUS RETIREMENT: County of Riverside has three retirement Tiers through the California Public Employees' Retirement System (CalPERS).

• Tier I (Classic Member - Formula 3% @ 60): Applicable to current and former County of Riverside local miscellaneous employees hired prior to 08/24/2012 and did not withdraw CalPERS contributions. The employee contribution is eight (8%) percent.
• Tier II (Classic Member - Formula 2% @ 60): Applicable to local miscellaneous employees 1) hired after 08/23/2012 through 12/31/2012; 2) Previously employed with another CalPERS contracting public agency or a reciprocal retirement system, with a break in service of less than six months between the separation date with the previous employer and the appointment date with the County of Riverside. The employee contribution is seven (7%) percent.
• Tier III (PEPRA New Member - Formula 2% @ 62): Applicable to CalPERS local miscellaneous new members hired on or after the implementation of the Public Employees' Pension Reform Act of 2013 (PEPRA) which took effect January 1, 2013. Effective July 1, 2023 employee contributions are 7.25% and will increase to 7.75% effective July 1, 2024.

A new member is defined as any of the following:

1. A new hire who enters CalPERS membership for the first time on or after January 1, 2013, and who has no prior membership in any California Public Retirement System.
2. A new hire who enters CalPERS membership for the first time on or after January 1, 2013, and who was a member with another California Public Retirement System prior to that date, but who is not subject to reciprocity upon joining CalPERS.
3. A member who first established Ca