Service Supervisor Jobs in Riverside, CA (NOW HIRING)

Salary : $90,885.72 - $118,645.20 Annually
Location : Riverside
Job Type: Regular
Job Number: 26-66413-02
Department: Flood Control
Division: Flood Control
Opening Date: 06/11/2026
Closing Date: 6/28/2026 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's Flood Control & Water Conservation District has an opportunity for a Heavy Equipment Mechanic Supervisor (Equipment Service Supervisor) who will be assigned to the Operations Division in Riverside.
The Equipment Service Supervisor will plan, assign, and oversee the work of skilled Automotive and Heavy Equipment Mechanics and garage personnel in the repair and overhaul of a diverse fleet, including heavy construction equipment, trucks, emergency generators, and a fueling station. This role involves assisting with complex diagnostics, ensuring safe tool use, preparing equipment purchase specifications, and maintaining repair records. The fleet includes over 150 pieces of equipment, such as excavators, dozers, skid steers, dump trucks, light trucks, passenger vehicles (including hybrids and SUVs), and emergency generators.
The Equipment Service Supervisor will ensure compliance with all federal, state, and local regulations, including those set by the State of California, the Department of Transportation (DOT), the California Air Resources Board (CARB), Advanced Clean Fleets (ACF), and OSHA rules and regulations. Additionally, the Equipment Service Supervisor will conduct performance evaluations for subordinates.
Competitive candidates will possess:
• ASE Master Certification in Automotive and/or Medium/Heavy-Duty Truck Repair and demonstrate advanced expertise in diagnosing electrical and mechanical issues using industry-standard fleet maintenance software such as EJ Ward, AssetWorks, or comparable systems.
• Strong technical knowledge of medium- and heavy-duty trucks and construction equipment, experience preparing detailed vehicle specifications for fleet procurement.
• Familiar with compliance requirement for the following:

1. State of California and Department of Transportation (DOT) Rules and Regulations
2. California Air Resource Board (CARB) Regulations concerning Municipal fleets, both On-Road, Off-Road Regulations, and Advanced Clean Fleets (ACF) Regulations.
3. Bit Inspections and maintenance of Bit logs and service repair records.
4. Cal Osha Regulations concerning air tank inspections, vehicle lift inspections.

• A valid, unrestricted Class A Commercial Driver's License with Passenger and Tanker endorsements.
• Proficiency in Microsoft Word and Excel, along with strong customer service, communication, and technical writing skills.
This position follows a 4/10 schedule, Monday through Thursday, from 6:00 AM to 4:30 PM. Candidates must be available for weekend overtime as
needed to support business operations.
Meet the Team!
The Riverside County provide for the control and conservation of flood and storm waters and for the protection of watercourses, watersheds, public highways, life and property from damage within its boundaries.
jfc:49304000
EXAMPLES OF ESSENTIAL DUTIES
• Plan, assign, and supervise the work of skilled Automotive Mechanics, Heavy Equipment Mechanics, and other garage personnel engaged in the maintenance and repair of graders, wheel and crawler tractors, scrapers, skip loaders, backhoes, and heavy and light trucks.
• In accordance with cost, materials, and manpower factors, assist in determining whether or not to contract out major repair jobs on construction equipment.
• Provide technical assistance to staff, and aid mechanics in difficult diagnoses; supervise the installation of radios, safety equipment, and other accessories.
• Inspect all large repair and maintenance projects to ensure that proper repairs have been made, and that prescribed safety standards have been met.
• Inspect new equipment to ensure that specifications have been met.
• Ensure that proper use of tools and other safety precautions are followed by garage personnel; provide advice and direction regarding minor repair and preventive maintenance problems to personnel in the field.
• Maintain essential repair records in order to make repair or replacement decisions.
MINIMUM QUALIFICATIONS
Experience: Three years of journey level experience, two years of which are in the repair and overhaul of heavy construction equipment, and one year of which is in the repair and overhaul of automotive equipment. At least one year of supervisory experience in a related field is required.
License: Possession of a valid California Driver's License at the time of hire is required. The Equipment Service Supervisor must obtain a valid, unrestricted California Commercial Driver's License (Class A) within six (6) months of hire.
Applicants who possess a valid, unrestricted Class A Commercial Driver's License with Passenger and Tanker endorsements are encouraged to apply.
This position has been 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.
For detailed requirements, visit DOT Requirements
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Knowledge of: The methods, tools, equipment, and parts used in the repair and maintenance of gasoline and diesel-powered trucks and construction equipment; the principles of gasoline and diesel engines; the operation and use of diagnostic equipment; new developments in construction equipment repair and maintenance. Working knowledge of the California Air Resources Board (CARB) regulations and compliance, such as Advanced Team Fleet regulations and compliance.
Ability to: Read and write at a level necessary for successful job performance; follow oral and written instructions; perform repair and maintenance work on construction equipment; diagnose the source of mechanical defects on a wide variety of automotive and construction equipment; motivate and guide shop personnel in the safe use of tools and equipment; plan, supervise and coordinate the work with workload, material, and manpower factors; maintain records and reports.
Physical: This is a hand-on position where the Supervisor may be assisting mechanics and staff. Driving throughout the county will be required and a county vehicle is provided only as needed.
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 Amanda Campos at 951-955-9707 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:
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: SEI
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 SEIU 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 a