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Performs a variety of unskilled or semi-skilled maintenance work, and operates a variety of equipment in the construction, operation, repair, maintenance and replacement of Town water, sewer, street and storm drainage facilities and systems.

ESSENTIAL DUTIES

Typical duties include but are not limited to:
•    Perform required labor involved in construction and maintenance projects as part of a crew, including pavement cutting, ditch digging, manhole and line cleaning, main and pipe repair, laying and backfilling.
•    Perform routine cleaning, inspection and preventive maintenance of equipment and refers defects or needed repairs to supervisor.
•    Performs all duties in conformance with appropriate safety and security standards.
•    Maintains Corporation Yard and other Town facilities.
•    Responds to residents' requests for service.
•    Maintains a variety of records relating to maintenance activity.
•    Assists in determining the locations of water, storm drain and sewer lines from the appropriate sources prior to excavation.
•    Drives trucks of various sizes and weights in the loading, hauling, and unloading of equipment and supplies.
•    Work in adverse weather conditions.

 

Possible 40 or more hours per week (Subject to change) up to total 960 hours of temporary employment.

ABOUT MILL VALLEY

Mill Valley is a full-service city located just 10 miles north of San Francisco, known for its scenic beauty, strong sense of community, and commitment to high-quality public service. Nestled at the base of Mount Tamalpais and surrounded by redwood groves and open space, Mill Valley offers a unique blend of small-town charm and access to world-class natural and cultural amenities.

Home to approximately 14,000 residents within 4.8 square miles, Mill Valley features a vibrant downtown, distinctive neighborhoods, and an engaged, environmentally conscious community. The City takes pride in maintaining its infrastructure, parks, and public spaces to a high standard, contributing to an exceptional quality of life for residents and visitors alike.

Working for the City of Mill Valley provides the opportunity to make a visible and meaningful impact in a community that values public service, sustainability, and stewardship of its natural environment. Employees benefit from a collaborative, team-oriented workplace where innovation, skill-building, and professional growth are encouraged. 

ABOUT THE OPPORTUNITY

The City of Mill Valley is excited to offer four (4) Seasonal Operations Aide positions, providing one role with multiple pathways to explore public service careers. These positions provide hands on experience supporting essential infrastructure and community services across both the Public Works Department and the Sewerage Agency of Southern Marin, also known as SASM.

Seasonal Operations Aides may be assigned to one of the following teams:

• Public Works – Parks Maintenance Division (2 positions)
• Public Works – Streets & Sewers Division (1 position)
• Sewerage Agency of Southern Marin (SASM) – Maintenance Division (1 position)

This is more than a seasonal job. It is an opportunity to gain real world experience, build practical skills, and explore long term career pathways in public works and utilities. Many of our full time team members began their careers in part time or seasonal roles like this one.

KEEP THE INTERVIEW DATE IN MIND AS YOU APPLY: Thursday, April 23, 2026 (in-person)

DIVISION ASSIGNMENTS AND TYPICAL DUTIES

Parks Maintenance Division with Public Works: Responsibilities may include trash collection, graffiti removal, weed abatement, irrigation repairs, and supervised operation of equipment such as blowers, weed/hedge trimmers, and mowers. Work supports the maintenance of City parks, landscaped areas, trees, and vegetation. 

 

Streets and Sewers Division with Public Works: Responsibilities may include trash collection, graffiti removal, clearing and repairing drainage facilities, street sign repair and replacement, road and curb painting, pothole and asphalt repairs, and related maintenance tasks.

 

Maintenance Division with SASM: Responsibilities may include assisting with maintenance of wastewater treatment equipment and facilities, supporting mechanical repairs, cleaning and preparing work areas, and helping ensure systems operate safely and efficiently. This assignment provides exposure to specialized tools, equipment, and processes used in wastewater treatment operations.

ABOUT THE POSITION

Under close supervision, the Seasonal Operations Aide provides entry-level support to an assigned department or division. This temporary role (up to 180 days) offers hands-on experience in operations, assisting staff with tasks such as maintenance, repair, cleaning, construction, and light equipment use. Duties may vary by program area and can include manual labor and tool handling.

Examples of Essential Job Functions (may include but are not limited to):

• Under direction, assist in the maintenance and upkeep of City facilities including but not limited to: parks, fields, SLP’s, streets, buildings, sewers, pools, playgrounds, and others.
• Under direction, assist in the construction or installation of City infrastructure such as curbs, sidewalks, paths, railings, stairs, signs, etc.
• Under direction, prepare and maintain work sites with safety in mind, including proper cordoning, clearance, traffic safety, and the like.
• Prepare and maintain equipment for use; clean and store equipment; shuttle and deliver equipment as directed.
• Perform research and data collection.
• Perform related duties as required.  

Please see the Job Description attached for more detail. 

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