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Description

The Human Services Agency (HSA) of County of San Mateo is seeking qualified applicants for the position of Children's Services Social Worker II/III in the Children and Family Services (CFS) Branch.

Please review the brochure here for detailed information about the  Children's Services Social Worker II/III opportunity.
 

For the full Children's Services Social Worker job description, please click here.

Exciting news! Candidates have the opportunity to receive a sign-on bonus of up to $15,000. First-time external new hires or current staff promoted internally or from other County departments into a regular Children's Services Social Worker II/III position in the Human Services Agency (HSA) may be eligible to receive a sign-on bonus of up to $15,000 (subject to discontinuation at any time). The sign-on bonus will be in 3 phases and will be prorated for part-time positions. Restrictions Apply. Please see the link for details. https://jobs.smcgov.org/hiring-incentives/

Join us for an engaging LinkedIn Live informational session to explore this exciting opportunity. We’ll provide an overview of Children & Family Services (CFS), including the vital work they do to support children and families in the community. Learn about the key responsibilities of the role, benefits, and what makes an ideal candidate. We’ll also walk through the recruitment and selection process. Don’t miss out—join us on Tuesday, April 7, 2026, from 1:00 PM to 2:00 PM PST. Click here to register.

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.

A supplemental application form must be submitted in addition to our regular employment application form. Based solely on the information provided in the application materials, an application screening committee will select those applicants whose education, training and experience most closely matches the needs of the department. Those selected will be invited to a panel interview (weight: 100%) which may include the evaluation of a written or performance exercise given immediately preceding the interview. Selected applicants will be notified of the date, time and place of the tests.

IMPORTANT: Applications for this position will only be accepted online. If you are currently on the County's website, you may click on the "Apply" button. If you are not on the County's website, please go to https://jobs.smcgov.org/ to apply. Online applications must be received by the Human Resources Department before midnight on the final filing date.

TENTATIVE RECRUITMENT SCHEDULE
LinkedIn Live Informational Session: Tuesday, April 7, 2026 from 1 p.m. to 2 p.m. PST
Final Filing Date: Wednesday, April 15, 2026
Screening: Thursday, April 16, 2026
Combined Panel Interviews: Monday, May 4, 2026 through Wednesday, May 6, 2026

San Mateo 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. 

As an employer, the County of San Mateo is committed to advancing equity 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.