Electrician (Open and Promotional)

The County of San Mateo's Department of Public Works is seeking applications for the position of Electrician.

Electricians are responsible for installing, maintaining, and repairing electrical systems and equipment in and around County buildings. This position requires the ability to work independently in different locations with minimal supervision. While much of the work is performed independently, the Construction Services section is characterized by a strong sense of teamwork and camaraderie.

Construction Services Section

Construction Services offers specialized crafts services that go beyond routine maintenance provided by the Facilities Operations and Maintenance section. We partner with the County and Cities to deliver carpentry, graffiti abatement, and lighting district services. Our skilled team, including craftsmen, maintenance workers, utility workers, and office support staff, handles diverse tasks from remodels to new construction projects. Trades represented include electrical, plumbing, carpentry, and painting, ensuring comprehensive solutions for our clients.

The ideal candidate for this position will have:

• Eight or more years of experience performing Journey-level facilities maintenance electrical work.
• A Journeyman's Electrician Card (certificate).
• Excellent computer skills including familiarity with mobile applications.
• Experience with IT cabling.
• The ability to work independently.

Electricians work at various locations throughout San Mateo County (County Facilities/Buildings, San Mateo Medical Center, Hall of Justice, Maguire Correctional Facility, Maple Street Correctional Center, Youth Services Center, and multiple Community Resource Centers within the county).

The selected candidate for this job must undergo a thorough background check by the San Mateo County Sheriff's Office and fill out a comprehensive security clearance form. They must maintain their security clearance throughout their employment and be cleared to work in locked facilities that house incarcerated individuals.

Duties may include, but are not limited to, the following:

• Estimating, constructing, installing, repairing, and maintaining electrical services, requiring journey-level skills.
• Installing conduit, pulling wire, and installing electrical equipment.
• Cleaning and repairing electric motors and other equipment.
• Troubleshooting electrical systems.
• Performing layout work.
• Performing preventative maintenance work.
• Planning, coordinating, and supervising the work of assigned helpers.
• Performing related duties as assigned.

Knowledge of:

• Standard practices, tools, and equipment of the electrical trade.
• Basic provisions of the Uniform Building Code as it relates to the electrical trade.
• Provisions of the National Electrical Code.
• State Safety Orders pertaining to electrical installations.
• Methods of fire stop caulking.
• Basic knowledge of fire alarm systems.
• Arcflash rules and procedures.
• Hotwork procedures.
• Lockout/tagout.

Skill/Ability to:

• Perform skilled journeyman-level electrical work.
• Read blueprints, perform layout work, and work from plans and specifications.
• Troubleshoot and make emergency repairs.
• Estimate labor and material requirements for small jobs.
• Supervise the work of helpers.
• Follow written and oral instructions and keep simple records.
• Work harmoniously and effectively with others.
• Bend, stand, and walk for extended periods of time.
• Lift and carry equipment and materials used in the course of work.
• Work courteously and effectively with the public and co-workers.

Education an 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:

A minimum of five years of experience working as an Electrician or completion of an apprenticeship program with journey level status as an Electrician and demonstrated proficiency in electrical work.

Licensure/Certification:

• Possession of a class C California driver license or equivalent.

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 on this examination.

The examination process will consist of an application screening based on the candidates' application and responses to the supplemental questions (weight: pass/fail). Candidates who pass the application screening may be invited to a panel interview (weight:100%). 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. Applicants meeting the minimum qualifications are not guaranteed advancement through any subsequent phase of the examination. All examinations will be given in San Mateo County, 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 questions must be submitted in addition to our regular employment application form.A resume will not be accepted as a substitute for the required employment application and supplemental questionnaire.

Tentative Recruitment Schedule

Final Filing Date: Tuesday, September 2, 2025

Application Screening: Wednesday, September 3, 2025

Panel Interviews: Tuesday, September 16, 2025, and/or Wednesday, September 17, 2025

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, as an employer, 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.

Analyst: Sarah Huynh (08122025) (Electrician - T024)