San Mateo County

Locksmith (Open) (20089046)

Public Works
San Francisco/Peninsula
3/8/2021 at 11:59pm
$99,590.00-$99,590.00 Annually


County Center Redwood City, 94063


The Department of Public Works seeks well-qualified candidates for the position of Locksmith.
Locksmiths work in the Facilities Maintenance and Operations Division of the Public Works Department and install, maintain, repair, and service all the locking devices in County facilities.

PLEASE READ CAREFULLY BEFORE APPLYING FOR THIS POSITION: Candidates will be required to complete an extensive security clearance package and undergo a thorough background check conducted by the County of San Mateo Sheriff's Office prior to hire. The selected candidate MUST BE cleared to work around detainees in a locked facility.
Duties of the Locksmith include but are not limited to: servicing, repairing, and maintaining locks, door closers, and related hardware; maintaining stock for replacement of lock units and parts; maintaining repair and maintenance records, key issues, and duplicate key schedules; picking jammed locks using special tools; devising and adjusting master key systems; and planning lock security systems for County facilities.
The ideal candidate will have at least five years of experience working as a locksmith in a commercial, governmental, or industrial facility and have jail lock and electronic lock experience.




  • Must possess and maintain a valid class C California driver license or equivalent.
  • Must pass and maintain the Sheriff’s Jail background clearance during employment. Failure to do so will result in dismissal.

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 journey level status as a locksmith and demonstrated proficiency in the repair of locks and the maintenance of master key systems.

Knowledge of: 

  • Master key systems
  • Fabrication of master keys
  • Locking devices and hardware
  • Methods, materials, tools, and equipment used in repairing locks and making keys
  • Basic hand tools, and their proper and safe use
  • Common safety practices in the workplace
  • Basic arithmetic for measuring, calibrating, and estimating
  • Asbestos awareness and recognition
  • Applicable NFPA (fire) codes
  • ADA standards and requirements

Skills/Ability to:

  • Decipher key code systems
  • Install, maintain, adjust, and repair all types of locking devices
  • Use locksmithing tools and equipment
  • Read drawings and work from plans and specifications
  • Carry out oral and written instructions
  • Maintain accurate records
  • Plan lock security systems
  • Work independently
  • Demonstrate basic mechanical aptitude
  • Maintain effective and cooperative working relationships with others
  • Bend, stand, and walk for extended periods of time
  • Lift and carry equipment and materials.



Anyone may 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.
The examination will consist of a written test (weight: pass/fail) and/or a performance test (weight: 100%) which may also include the completion of a written exercise. Depending on the number of applications, an application appraisal may be conducted in lieu of the examination. All applicants who meet the minimum qualifications are not guaranteed advancement through any subsequent phase of the examination process. All examinations will be given in San Mateo County, California and applicants must participate at their own expense. 
Application Deadline: March 8, 2021
Written/Computer-Based Exam: March 11 – 16, 2021 
Performance Exam: March 31 and/or April 1, 2021

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


At the County of San Mateo, we welcome and celebrate the diversity of our employees, and strive to create a workplace where they feel valued every day.  

The County of San Mateo is proud to be an Equal Employment Opportunity Employer.

 Analyst: Chet Overstreet (02-22-2021) (Locksmith - T027)

Recruitment Contact

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