Job Details

Salary : $65,312.00 - $81,640.00 Annually
Location : County of San Mateo, CA
Job Type: Full-Time
Job Number: T063AW
Department: Sheriff's Office
Opening Date: 12/17/2025
Closing Date: 1/7/2026 11:59 PM Pacific
Bargaining Unit: 06

Description

The County of San Mateo Sheriff's Office is seeking a qualified Utility/Custodial Worker (Utility Worker II) for their correctional facilities to perform a variety of manual tasks such as building custodial services; minor equipment repair; transportation of materials and supplies; and operation of the laundry services in a locked facility.

The Utility Worker II is the experienced journey level class in this series. Under general supervision, incumbents independently perform the full range of duties. All the positions are characterized by the presence of fairly clear guidelines from which to make decisions and the availability of supervision in non-routine circumstances. Incumbents should demonstrate a thorough knowledge of operations and procedures and the ability to independently accomplish day-to-day tasks under normal conditions and to instruct others.

Overall, the ideal candidate will be highly organized and able to work collaboratively with others, while also demonstrating the ability to work independently. The successful candidate will lead by example and consistently demonstrate exceptional attendance, a positive attitude, effective communication, and proper safety practices.

Work Locations and Available Shifts

There is currently one vacancy that may require travel or driving between the two correctional facilities to fulfill assigned responsibilities.

Work Locations: Depending on assignment, the Utility/Custodial Worker may work out of the Maguire Correctional Facility or Maple Street Correctional Center, both located in Redwood City, CA.

Shift Expectations: Selected candidates are expected to work evenings, nights, weekends, holidays and/or other shift work depending on needs of the office.

Shift Availability: The current shift is a night shift from 6:00 p.m. to 6:00 a.m., operating on a rotating schedule of four days on and four days off.

Other Requirements

Background Check: Selected candidates must successfully pass a detailed background and/or criminal history review conducted by the Sheriff's Office prior to being hired. Felony and misdemeanor convictions may be disqualifying depending on type, number, severity, and recency. NOTE: The list created from this recruitment may be used to fill future vacancies, including classified, unclassified, full-time, part-time, temporary and extra help assignments.

Examples Of Duties

The Utility Worker/Custodial Worker responsibilities may include, but are not limited to, the following:

• Operating and maintaining equipment or hand tools used in the cleaning and maintenance of buildings grounds, and facilities.
• Providing complete custodial services to areas such as medical exam rooms, public restrooms, and lobbies.
• Utilizing the assistance of and instructing incarcerated persons, clients, or other staff to perform work.
• Ordering and receiving supplies, tools, and equipment; delivering supplies to appropriate areas.
• Operating and maintaining power tools, hand tools, and specialized equipment such as custodial cleaning equipment.
• Performing related duties as assigned.

Qualifications
Education and Experience: Any combination of education and experience that would likely provide the required knowledge, skills, and abilities is qualifying. A typical way to qualify is:

Utility Worker II - One year of experience providing building and facility maintenance/custodial and minor equipment repair.

Knowledge of:

• Methods, materials, operations, tools, and practices used in moving, loading, arranging, and transporting materials, records, and supplies.
• Principles and techniques used in basic custodial services and minor equipment repair.
• Fixtures, building hardware, and equipment.
• Safety regulations, precautions, and practices.
• Methods, practices and equipment used in the receipt, storage, handling and ordering of materials and equipment.
• Basic arithmetic.

Skill/Ability to:

• Follow safety practices.
• Follow oral and written instructions.
• Communicate effectively and tactfully with customers and others.
• Make accurate estimates of time and materials required to perform the job.
• Properly use and care for vehicles, tools, and equipment used in the job.
• Instruct and direct the work of inmates and others in the performance of the job.
• Lift, carry, push, or move materials, supplies, or equipment up to 50 lbs; lift and move patients; climb ladders; and walk or stand for long periods of time.

Application/Examination
Open & Promotional. Anyone may apply. Current County of San Mateo and County of San Mateo Superior Court of California employees with at least six months (1040 hours) of continuous service in a classified regular, probationary, or extra-help/limited term position prior to the final filing date will receive five points added to their final passing score.

The examination process will consist of an application screening (weight: pass/fail) based on the candidates' application and responses to the supplemental questions. Candidates who pass the application screening will be invited to a panel interview (weight: 100%) which may include a performance exam. Depending on the number of applicants, an application appraisal of education and experience may be used in place of other examinations or further evaluation of work experience may be conducted to group applicants by level of qualification. All applicants who meet the minimum qualifications are not guaranteed advancement through any subsequent phase of the examination.All examinations will be given in County of San Mateo, California and applicants must participate at their own expense.

IMPORTANT: Applications for this position will only be accepted online. If you are currently on the County's website, you may click the "Apply" button. If you are not on the County's website, please go to to apply. Responses to the Supplemental Questionnaire must be submitted in addition to the standard County employment application form. A resume will not be accepted as a substitute for the required application materials. Online applications must be received by the Human Resources Department before midnight on the final filing date.

Tentative Recruitment Schedule
Application Deadline: Wednesday, January 7, 2026, by 11:59 PM PSTApplication Screening: Week of January 19, 2026Civil Service Panel Interview: Week of February 2, 2026

About the County
San Mateo County is centrally located between San Francisco, San Jose, and the East Bay. With over 750,000 residents, San Mateo is one of the largest and most diverse counties in California and serves a multitude of culturally, ethnically and linguistically diverse communities.

The County of San Mateo is committed to advancing equity in order to ensure that all employees are welcomed in a safe and inclusive environment. The County seeks to hire, support, and retain employees who reflect our diverse community. We encourage applicants with diverse backgrounds and lived experiences to apply. Eighty percent of employees surveyed stated that they would recommend the County as a great place to work.
The County of San Mateo is an equal opportunity employer committed to fostering diversity, equity and inclusion at all levels.
Analyst: Ximena Burns (12172025) (Utility Worker II - T063)
We invite you to explore our page for a snapshot of the comprehensive and competitive benefits available to eligible employees of the County of San Mateo. From health and wellness to financial security, our benefits are designed to support you at every stage of your career. (Please note that benefits are subject to change.)

In addition to core benefits, the County is proud to offer a variety of wellness and professional development programs to help you grow both personally and professionally. Most of these enriching opportunities are available during work hours and come at no cost to you.

As a County employee, you'll also be covered by the federal Social Security system, earning valuable retirement benefits based on your salary and years of service.
01

IMPORTANT - PLEASE READ CAREFULLY: Applicants for this position are required to submit responses to the following supplemental questions. Your responses will give us additional information about your background and experience related to this position and will be considered in the application screening process. References to your resume will not be accepted as your responses to these questions.

• I have read and understand this important information.

02

Check any of the following duties that you have performed in your current and previous jobs.

• Work with machines and equipment in a factory, laundry facility, waste/recycling facility, maintenance, construction, farming etc.
• Pick up, sort, wash, dry, fold and deliver laundry
• Work with inmates, clients or other staff in completing work assignments
• Work in a locked facility with inmates
• Store, document, retrieve and track supplies and equipment
• Order, receive and/or deliver supplies
• Use a computer

03

Where did you perform the duties you selected in the previous question? (Make sure this employer is listed in your job application. An incomplete response will result in your application being rejected.)
04

Check any of the following duties that you have performed in your current or previous jobs:

• Lift, move, arrange and transport equipment and supplies
• Provide custodial or janitorial services to areas such as medical exam rooms, public restrooms and lobbies

05

Where did you perform the duties you selected in the previous question? (Make sure this employer is listed in your job application. An incomplete response will result in your application being rejected.)
06

Check any of the following duties that you have performed in your current and previous jobs:

• General clean-up of construction job sites
• Perform building and facilities maintenance
• Assemble, maintain and repair equipment and furniture

07

Where did you perform the duties you selected in the previous question? (Make sure this employer is listed in your job application. An incomplete response will result in your application being rejected.)
08

Give an example from your work experience that demonstrates your ability to work independently with little or no supervision. Please be specific about where the experience was gained, the duties you performed, and the length of time you performed the work.
Note: Incomplete responses, or responses that do not include the employer/organization where the experience was gained as reflected on your application, will not be accepted.
09

Describe your experience performing custodial or utility work. In your response, include the type of facility, the primary duties you performed, and the length of time you performed this work.
Note: Incomplete responses, or responses that do not include the employer/organization where the experience was gained as reflected on your application, will not be accepted.
10

Utility/Custodial Workers in this assignment will perform work in locked correctional facilities. Candidates for these positions will be required to complete an extensive security clearance package and undergo a thorough background check conducted by the Sheriff's Office prior to being offered the position. If offered a position, do you agree to work within a locked correctional facility and submit to a background investigation?

• Yes
• No

11

San Mateo County departments sometimes need extra-help workers in addition to permanent employees. Extra Help positions offer temporary part-time or temporary full-time employment for 1040 hours (which equates to working full-time for approximately six months). However, employment might end sooner depending on the needs of the hiring departments. Extra-help positions are paid on an hourly rate basis. Extra-help workers are not guaranteed permanent status at the end of the extra-help assignment. Are you interested in extra-help employment? (A "No" answer to this question will not affect your application for permanent employment.)

• Yes
• No

12

How did you learn about this position?

• County of San Mateo Website
• County of San Mateo Job Interest Card Notification
• County Hosted Virtual Event
• County Hosted Job Fair
• CalOpps.org
• College/University Career Center
• Community-based Organization Posting
• Facebook/Instagram
• Friend or Relative
• GovernmentJobs.com
• Indeed
• Job Fair
• LinkedIn
• Professional Publication/Website (Please specify in next question)
• X (formerly called Twitter)
• Zip Recruiter
• Other (Please specify in next question)

13

If you answered, "Professional Publication/Website" or "Other" to the above question, please indicate below how you learned about this position. Your response to this question will help us in better marketing County jobs. Type NA if not applicable.
Required Question