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Step into a role where your technical skills help keep the City running.

As an Instrumentation Technician, you’ll install, troubleshoot, and maintain the instrumentation and control systems that support our wastewater treatment operations. Your work helps ensure safe and reliable service for the community.

If you enjoy hands‑on problem‑solving and working with advanced equipment, this role offers the chance to make a meaningful impact every day!

                                       POSITION DETAILS:

• Salary range: $36.88 - $47.07 + Excellent Benefits
• Salary Increases:
  • 3% Cost of Living adjustment increase effective 7/13/26
  • 3% Cost of Living adjustment increase effective 7/12/27
    • Salary placement is generally at the beginning of the range.
    • Advanced placement may be considered based on related education and experience.
    • NOTE: The City recently completed a compensation study comparing its salary ranges with those of other local agencies. As a result, 87% of salary ranges will be adjusted upward at various intervals. As ranges are adjusted, job postings will be updated to reflect these changes.
• Status: Regular, Full-Time position
• Work schedule: 4/10 (4 10-hour shifts)

                                MINIMUM QUALIFICATIONS:

Any combination of education and experience that would likely provide the required knowledge and abilities is qualifying. A typical way to obtain the knowledge and abilities would be:

Education:

• Equivalent to the completion of the twelfth grade supplemented by college level course work in electronics or a related field.

Experience:

• Two years of increasingly responsible experience in the maintenance, repair, fabrication and installation of instrumentation systems in a wastewater treatment system, water distribution, water processing, or other industrial process control environment.

                                        JOB DESCRIPTION:

                                                                          Instrumentation Technician

                                       WHY SIMI VALLEY?

Looking for a thriving community with amazing career opportunities and a high quality of life? Simi Valley has it all! From scenic landscapes to a welcoming atmosphere, it's the perfect place to live and work.

CLICK HERE to check out our exclusive video to see what makes Simi Valley so special—whether you're looking for a rewarding career or just an incredible place to call home, you won’t want to miss it!

                                        IDEAL CANDIDATE:

The ideal candidate will possess the following qualities and abilities:

• Knowledge of instrumentation and control systems, including installation, calibration, troubleshooting, and repair
• Strong understanding of SCADA systems, telemetry, electronics, and industrial process controls
• Ability to read and interpret technical documentation, such as schematics, blueprints, wiring diagrams, and manuals
• Knowledge of designing, modifying, and fabricating instrumentation components and control circuits
• Ability to perform precise calibration and alignment of sensors, transmitters, pressure gauges, and monitoring equipment
• Knowledge of electrical codes, safety standards, and lockout/tagout procedures to ensure safe work practices
• Knowledge of computer systems and software, including data logging, configuration tools, and control interfaces
• Strong record‑keeping skills to maintain accurate logs, maintenance records, and reports
• Ability to collaborate with operators, engineers, contractors, and vendors
• Ability to adapt to new technologies
• Knowledge of hydraulics, pneumatics, level & flow sensors, and mechanical systems used in treatment operations

                                               BENEFITS:

We’re proud to offer a comprehensive and competitive benefits package that supports your health, financial well-being, and professional growth—because we believe taking care of our team is essential to serving our community.

Health & Wellness

• Medical Coverage: 100% City-paid premiums for most plans, including family coverage
• Dental & Vision: Fully covered dental (Delta Dental) and vision (VSP) plans
  • Family coverage fully covers dental and vision
• Prescription Drug Plan: Access to major retail and mail-order options
• Flexible Spending Account (FSA): Pre-tax savings for health and dependent care expenses
• Employee Assistance Program (EAP): Up to 8 free confidential consultations for employees and household members

Retirement & Financial Planning

• CalPERS Pension:
  • 2% @ 55 formula for “Classic” members (single highest year final compensation for individuals enrolled in CalPERS prior to 1/1/2013)
  • 2% @ 62 formula for “New” members (three year average final compensation for individuals enrolled in CalPERS after 1/1/2013)
  • 4th Level Survivor Benefit included
• Deferred Compensation:
  • 401(k) and 457 plans with Roth options
  • City matches up to $75 per paycheck to 457
  • City contribution of $30 per paycheck to 457
• Note: The City does not participate in Social Security; no FICA deduction except Medicare hospital insurance

Paid Leave & Holidays

• Annual Leave (AL):
  • 5.2 weeks/year to start (vacation + sick combined)
  • Increases at 5 and 10 years of service
  • Cash-out option available after one year
• Holidays:
  • 11 paid holidays + 1 floating holiday annually

Professional Development

• Tuition Reimbursement:
  • Up to $1,800/year

Insurance Coverage

• Life Insurance:
  • $101,000 employee coverage fully covered
  • $5,000 dependent coverage fully covered
• Optional AFLAC Plans:
  • Accident, cancer, hospital, and critical care coverage available

We also host a full calendar of employee appreciation events and activities to celebrate the incredible work our team does year-round.

This information is intended to give an overview of the benefits available to City employees. It is not intended to be a contract (expressed or implied), nor is it intended to otherwise create any legally enforceable obligations on the part of the City, its agents or its employees.

                                  SPECIAL INSTRUCTIONS:

Click apply and attach a current resume! You only need to complete the boxes on the application marked with a star/asterisk (*) and the supplemental questionnaire. 

Applications are reviewed on a rolling basis. Recruitment may close at any time or when 50 applications are received. First official review of applications after May 8th, 2026. Candidates who possess the best combination of qualifications will be invited by e-mail to the next steps in our process.

                                     SELECTION PROCESS: 

• Applications will be evaluated based on education, training, and experience as it relates to the position
• Candidates who possess the best combination of qualifications will be evaluated by their responses to the supplemental questions. During the assessment process, the rater(s) will not have access to your name, application or resume. You are solely evaluated on your supplemental responses, so please be detailed as possible. 
• The eligibility list for hire will be determined by the supplemental questions. 
• Additional testing such a written, oral panel interviews, and department level interviews may occur.
• Applicants seeking Veteran’s Preference must submit form DD214 with application.

*ALL OFFERS OF EMPLOYMENT ARE CONTINGENT UPON THE FOLLOWING:

• Passing a background investigation
• Passing a pre-employment physical and/or drug screen, if applicable 
• Providing (3) professional references, including (1) direct supervisor
• Providing copies of degree(s), training certifications/licenses listed on application/resume
• 5-year Verification of employment 

                         REASONABLE ACCOMMODATION:

In compliance with the Americans with Disabilities Act, if you need special assistance in the selection process, please notify the Human Resources Division, in writing.

City of Simi Valley is an Equal Opportunity Employer Encouraging Workforce Diversity.

The Department of Public Works is seeking well-qualified candidates for the position of Stationary Engineer II.

About the Department
The Department of Public Works plans, designs, constructs, operates, and maintains facilities and equipment that are safe and accessible to the clients of County agencies, the general public, and County employees. The Department advises the Board of Supervisors on all public works issues, including rates and charges for services that are fair to both the users and service providers.

Public Works has a budget of approximately $200 million and is comprised of over 300 employees in four divisions: Administrative Services and Airports, Engineering and Resource Protection, Facility and Capital Projects, and Road Services.

Facilities Maintenance & Operations
FM&O, short for Facilities Maintenance & Operations, ensures County facilities are safe, comfortable, and clean. From historic landmarks to modern offices, we keep things running smoothly.

The FM&O Stationary Engineers perform maintenance and repairs to the various plumbing, mechanical, and lighting systems throughout County facilities. These include boilers, chillers, pumps, motors, lamps, ballasts, drivers, toilets, sinks, and faucets as well as utilizing the lighting and building control systems to schedule and adjust run times of the various pieces of equipment. There are multiple Stationary Engineer I/II vacancies in FM&O.

Our team turns the screws, tightens the bolts, hammers the nails, paints the walls, and types in the codes to keep all the buildings and their systems working. If it's loose, stuck, hot, cold, light, or dark FM&O gets the call. Whatever it takes, our team does it with professionalism, care, and heart!

The Position
Under the direction of a Supervising Stationary Engineer, Stationary Engineers are responsible for a wide variety of repair and maintenance work in the areas of HVAC, electrical, plumbing, refrigeration, emergency power systems, water treatment systems, boiler equipment, and piping repair, building automation systems, and miscellaneous equipment repair. Stationary Engineer II is a journey-level classification, and incumbents are expected to have proficiency, perform independently, and solve complex problems in all of the areas listed above.

There are multiple vacancies to be filled throughout the Department. Work locations will include Redwood City Government Center, San Mateo Medical Center, Youth Services Center, and Maple Street Correctional Facility.
Candidates hired as Stationary Engineers must be willing to work evenings, weekends, and alternate shifts. They must also successfully obtain and maintain a Sheriff's Office security clearance as a condition of employment. 

The ideal candidates for these positions will have:

• At least three years of journey-level experience as a Stationary Engineer.
• A minimum of three years of journey-level experience in mechanical, electrical, and plumbing systems.
• Extensive knowledge and experience working with boiler and HVAC systems.
• Proficiency in a wide variety of installations and repairs on plumbing, gas system piping, chiller/boiler piping, and wastewater systems, including the ability to operate a large sewer snake.
• Certification as a Backflow Prevention Tester.
• Experience in energy management and computer-controlled systems.
• The ability to troubleshoot, repair, and maintain a variety of equipment, including air conditioning, electric motors, heating units, heat pumps, light commercial furnaces, burners, fresh air and exhaust fans, economizers, and humidifiers.
• Experience with Fire Alarm testing, troubleshooting, and NFPA codes.
• Experience in a hospital or healthcare setting.

Examples Of Duties:

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

• Operate, maintain, install, and repair electrical, refrigeration, plumbing, heating, air conditioning, and ventilating systems.
• Operate, maintain, and repair boiler equipment.
• Repair and replace pipes, fittings, and other equipment used in plumbing, gas, and steam systems.
• Repair electrical equipment, including lamps, fixtures, and switches; adjust electrical controls, motors, and auxiliary equipment up to 480 volts.
• Test, operate, maintain, and repair emergency power systems, including UPS, emergency generators, and associated equipment.
• Use hand and power tools, including cutting and threading tools, grinders, reamers, wrenches, welders, saws, and other special tools.
• Make minor carpentry repairs to doors, windows, floors, and other parts of buildings.
• Do touch-up painting on repaired equipment.
• Remove or arrange for the removal of trash, pests, and other hazardous materials or debris in the course of performing work. 
• Properly place, set, and inspect traps, and collect and remove insects and pests.
• Reclaim or recycle refrigerant using Freon recovery systems.
• Operate water treatment facility, including wastewater and potable water.
• Adjust and calibrate boiler burners and controls.
• Adjust and calibrate chiller controls.
• Test, calibrate, and repair backflow devices.
• Calibrate HVAC controls and associated equipment.
• Monitor building management systems.
• Replace pumps and pump seals, and repair and replace motor valves.
• Repair and replace air conditioning units.
• Troubleshoot HVAC, plumbing, electrical, and energy power systems.
• Conduct preventative maintenance.
• Understand fire alarm systems.
• Repair and install chemical monitoring stations.
• Repair, test, and record data on generators.

If designated as the certified water treatment operator:

• Operate water treatment facility, including wastewater and potable water, consistent with performance standards, federal and state regulations, and variable operating conditions and emergencies.
• Make periodic inspections and reports of facility conditions to ensure adherence to maintenance procedures.
• Perform water sampling in coordination with the health laboratory.
• Maintain logs of facility operations, test results, scheduled maintenance, and other operating conditions.
• Control filter operations.
• Coordinate special projects related to water treatment and distribution, in close coordination with supervisor/manager.
• Troubleshoot complex technical problems related to water treatment and develop recommendations to improve water quality standards, facility effectiveness, and efficiency.
• Perform quality analysis of raw and treated water.
• Compile data concerning flows, chemical dosages, levels, pressure, volume, water quality, and other operational information.
• Prepare reports.

Qualifications:

Education and Experience:
Any combination of education and experience that would likely provide the required knowledge, skills and abilities is qualifying.  
 

• Completion of courses related to maintenance, installation, and repair of electrical, HVAC, plumbing, refrigeration, and power equipment.
• Two years of journey-level experience as a stationary engineer or equivalent, AND demonstrated experience in maintaining, installing, and repairing electrical, HVAC, plumbing, refrigeration, and power equipment in a large building, plant, or vessel.
• Two years of experience can be substituted with the completion of an apprenticeship program.

Licensure/Certification:

• Must obtain and maintain Sheriff's Office security clearance.
• Universal Certification in Freon recovery upon hire.
• Obtain Backflow Certification within six months of hire and maintain certification.
• If designated as the water treatment operator, possession of or ability to obtain a valid Grade II Water Treatment Operator Certification issued by the State of California within six months of employment is required.

Knowledge of:

• Common safety practices in the workplace.
• Heating and electrical equipment.
• Principles and techniques used in stationary engineering.
• Proper and safe use of basic hand tools.
• Basic arithmetic for measuring, calibrating, and estimating.
• Steam and gas fired heating systems; refrigeration equipment; ventilating and air-conditioning equipment.
• Electrical, plumbing and refrigeration systems.
• Controls and control systems.
• Emergency power systems, generators, and associated equipment.
• Freon recovery procedures and equipment, if at Level II.
• Water treatment systems and operations, principles and practices, and regulatory mandates, if designated as certified water treatment operator.
• Safety rules, regulations, and work practices, including reference to hazardous chemicals.
• Basic record-keeping principles and practices.

Skill/Ability to:

• Follow safety practices.
• Troubleshoot and/or repair, replace, regulate and control electrical, refrigeration, plumbing, heating, air conditioning, and ventilating systems.
• Determine and estimate materials required for a job and prepare requisitions.
• Use hand and power tools.
• Make metal parts and equipment.
• Perform minor carpentry and painting tasks.
• Follow oral and written instructions.
• Communicate effectively, courteously, and professionally with customers and others.
• Read and interpret plans.
• Prepare and maintain accurate maintenance records.
• Operate standard office equipment, computers, and timekeeping systems.
• Lift and carry materials, supplies, and equipment; climb ladders; and crawl in tight spaces.
• Perform water treatment plan and distribution system operations and maintenance activities if at Level II and designated as water treatment operator. 

Application/Examination:

Open and Promotional. Anyone may apply. Current County of San Mateo employees with at least six months (1040 hours) of continuous service in classified regular, probationary, 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 (weight: pass/fail), and an 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 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 https://jobs.smcgov.org/ 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.

This is a continuous recruitment which may close at any time. The final filing date will be posted five days in advance on this job announcement.

Apply immediately. This recruitment is open on a continuous basis, and selections may be made at any time within the process.

Tentative Recruitment Schedule: 
Round 1 of Screening: Week of January 5, 2026
Round 1 of Panel Interviews: Week of January 19, 2026 
Round 2 of Screening: Week of February 2, 2026
Round 2 of Panel Interviews: Week of February 16, 2026
Round 3 of Screening: Week of March 2, 2026
Round 3 of Panel Interviews: Week of March 16, 2026

The City of San Mateo Public Works Department is seeking a Traffic and Lighting Technician

The Department

The Public Works Department is comprised of the Engineering and Facilities Services Division (EFSD) and the Environmental Services Division (ESD). Each division is led by a Deputy Director reporting to the Director of Public Works. The department is responsible for the City’s major capital projects and infrastructure including streets, street lights, traffic signals, sewer and storm conveyance systems, wastewater treatment plant, pump stations, a major lagoon, and dams and levees. A key player on this team is the Traffic and Lighting Technician. You would be joining over 500 people whose mission is to serve the San Mateo community with a collaborative, innovative and professional spirit.

Look to some of the reasons why the City of San Mateo is a great place to work: https://www.youtube.com/watch?v=_GTIzeSpc_g

The Position

The Traffic and Lighting Technician performs skilled electrical and mechanical work in the maintenance and repair of traffic control signage, traffic signal equipment, and street lights; and guides the work of and trains other maintenance personnel, and performs related work as required.  Duties may include, but are not limited to, the following:

• Guide and participate in the work of other maintenance personnel.  Ability to set-up work zone safety and prepare traffic control work plans.
• Inspect, install, remove, and repair signal controls and auxiliary equipment such as light standards, control boxes, light fixtures, lamps, and circuitry; diagnose malfunctions; adjust and replace electronic and mechanical components.
• Inspect, install, remove and repair street lights and auxiliary equipment.
• Repair, replace or modify electric and electronic components, controllers, relays, switches, fuses, timers and other parts; design and construct special test equipment for shop testing of electronic components.
• Investigate complaints and reports of signal and traffic light malfunctions; adjust, repair or remove defective equipment; make field repairs of damaged equipment.
• Identify, locate and indicate with appropriate identification markers underground utilities (USA); respond to USA work orders within regulatory requirements; and document services accordingly.
• Be available for standby assignments in accordance with Department policies and procedures.
• Assist in the design of electrical circuits and systems for street lighting and traffic signals.
• Inspect the work of contractors during the course of construction and upon completion.
• Monitor traffic control computer and make adjustments as necessary.

The Traffic and Lighting Technician receives general direction from the Field Maintenance Manager and direct supervision from a Public Works Supervisor or higher level department staff and may exercise technical or functional direction over and provide work review to a Traffic Safety Worker or Maintenance Worker I/II.

For a complete list of duties, reference our job specifications at https://www.cityofsanmateo.org/DocumentCenter/Home/Index/86

Applications will be accepted for this position until a sufficient number meeting our qualifications are received. Apply immediately.

$28.04/hour

40 hours/week

Limited to 960 hours annually

This hourly position is not in Civil Service and does not receive benefits.

DEFINITION

Under direct supervision, performs a variety of manual, semi-skilled and skilled tasks in the construction, maintenance, repair and operation of the City’s streets, sidewalks, signs, sewers, storm drains, pump stations, parks, tot lots, medians, gardens, irrigation systems or municipal buildings. Tasks often require considerable physical strength and stamina and may be performed in inclement weather and/or potentially hazardous conditions. Worker may be called back to work during emergencies. Performs related work as required.

CLASSIFICATION CHARACTERISTICS

Utility Maintenance Worker is the entry level to the following classification series: Building Maintenance Worker I/II, Collection System Maintenance Worker I/II, Groundskeeper/Gardener I/II, Street Maintenance Worker I/II, and Water Maintenance Worker I/II. Candidates from the Utility Maintenance Worker Employment List may be appointed in any one of several City departments. They will initially be under close supervision, performing the least skilled and most repetitive tasks while learning to use and apply the methods, materials, tools and equipment involved. Incumbents normally advance to Level II after at least two years of successful experience and demonstrating proficiency for the Level II work. 

EXAMPLES OF DUTIES

Work assignments may be in any one of the maintenance area programs: building/facility operation and maintenance, water/wastewater system delivery and maintenance, parks, median and grounds maintenance, and streets and sewer maintenance. Sweeps rubbish and leaves from gutters; loads and unloads trucks in a variety of situations; excavates and fills trenches and ditches; does manual work in preparing surfaces for paving, mixing cement, and breaking up paved surfaces using such tools as shovel, rake, jackhammer, tampers, and tar kettle; does manual or the more routine work of laying pipe, backfilling, and installing water meters; acts as a helper to skilled craftsworkers assisting in the more routine aspects of carpentry, plumbing, heating, minor electrical and mechanical repair, and painting including street painting; does manual park work not requiring prior knowledge or skill in gardening.

MINIMUM QUALIFICATIONS

Knowledge of: The purpose, safe use and maintenance of hand tools and small power equipment. General construction and maintenance methods, materials, and terminology. Safe working techniques and requirements.

Ability to: Safely and skillfully use hand tools, operate light mechanical equipment, and perform heavy manual labor. Comprehend and follow oral and written instructions and safety warnings and information. Learn to perform more skilled tasks, such as producing manual and computer-generated reports and schedules and installation and maintenance of current job-related equipment or devices. Work independently. Maintain an appropriate public service demeanor and positive customer service interactions. I: Perform sustained, strenuous manual labor; climb, lift, crawl, stoop and bend to reach work; and work outdoors in temperature extremes and inclement weather

Experience: One year, full-time, paid experience in construction, maintenance or other semi-skilled, physical work.

Education: Completion of the tenth grade. Graduation from high school or the equivalent is desirable and required to advance to Level II in the flexible classification series.

License: Possession of a valid Class C California Driver's License.