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Job Description
Mechanical & Electrical Maintenance Worker III or IV Marin Municipal Water District - 3.1 Vista, CA Job Details Full-time $9,159 - $12,469 a month 1 day ago Benefits Paid holidays Health insurance Dental insurance Tuition reimbursement Vision insurance Flexible schedule Qualifications Respirator Full Job Description JOB Join Our Team as a Mechanical and Electrical Maintenance Worker III or IV! Are you a skilled professional with a passion for maintaining and repairing mechanical and electrical systems? Marin Water is seeking dedicated individuals for either a Mechanical and Electrical Maintenance Worker III or IV . Position may be filled at either level dependent on candidate qualifications, and the current needs of the department. In this role, you'll inspect, repair, and install a variety of equipment, including pumps, motors, and electrical circuits, while ensuring safety and efficiency. Ideal candidates will have experience in mechanical and electrical maintenance, a valid California driver's license, and a commitment to safety. A D1 Distribution Operator certification issued by the California State Water Resources Control Board (SWRCB) is required prior to completion of probationary period. If you're ready to tackle challenging tasks, work in diverse environments, and contribute to essential water services, apply today and grow your career with us!
Benefits include:
Competitive salaries Flexible work schedules Tuition reimbursement 12 District paid holidays A variety of benefit options available (medical, dental, vision) Salary Ranges eff. 7/13/26
Mechanical & Electrical Maintenance Worker III:
$9,159-$11,117 per month
Mechanical & Electrical Maintenance Worker IV:
$10,216-$12,469 per month Position may be filled at either level dependent on candidate qualifications and the current needs of the department.
THE DISTRICT
The District is a medium-sized, municipal, water agency with a Board of Directors/General Manager form of government, 250 full-time employees and a $186.5 million combined annual operating and capital budget. Annually, the District delivers water to over 190,000 residents and businesses in the central and southern portions of Marin County and has stewardship responsibilities for 21,000 acres of pristine watershed lands on Mt. Tamalpais.
DEFINITION M&E MW III
Under general supervision, performs skilled and semi-skilled work on a variety of mechanical and/or electrical equipment and to do related work as required.
M&E MW IV
Under general supervision, repairs, maintains, and installs electrical circuits, pumps, motors, controls, regulators, and related equipment; and to do related work as required.
DISTINGUISHING CHARACTERISTICS M&E MW III
This is the advanced journey level in the Mechanical and Electrical Maintenance Worker series. Employees in this class perform skilled tasks, and use independent judgment. They operate a variety of equipment and tools. Incumbents are able to work independently and may train others, or perform as lead-workers on specific projects and assignments. On a training or on emergency basis if competent to perform, the Mechanical and Electrical Maintenance Worker III may perform duties normally assigned to the Mechanical and Electrical Worker
IV. M&E MW IV
This is the advanced journey-level in the Mechanical and Electrical Maintenance Worker series. This classification has primary responsibility for performing a wide variety of journey level tasks related to electrical work, involving both low and high voltage circuits. The work may involve all specialties of the trade, including supervisory controls and telemetering functions. In addition, mechanical repair and installation duties will be assigned to the individual. They are able to work independently but may train others or perform as lead-workers on specific projects and assignments. Positions in the Mechanical and Electrical Maintenance Worker class series are flexibly staffed; positions at the Mechanical and Electrical Maintenance Worker IV level are normally filled by advancement from the Mechanical and Electrical Maintenance Worker III level; progression to the Mechanical and Electrical Maintenance Worker IV level is dependent on (i) management affirmation that the position is performing the full range of duties assigned to the classification; (ii) satisfactory work performance; (iii) the incumbent meeting the minimum qualifications for the classification including any licenses and certifications; (iv) the incumbent satisfactorily meeting the internal promotional criteria; and (v) management approval for progression to the Mechanical and Electrical Maintenance Worker IV level. Applications will be accepted on a continuous basis until a sufficient number of qualified applications have been received. The deadline for the first review of applications is on
MONDAY, JULY 20, 2026 11
59 PM. Applicants are encouraged to apply promptly as this recruitment may close at any time without notice.
EXAMPLE OF DUTIES M&E MW III
Primary responsibilities and duties include, but are not limited to, the following: Performs routine inspection and maintenance to mechanical and electrical equipment; performs routine inspection and servicing of pumps, tanks and regulators; records readings and findings of pumping plants; installs and repairs mechanical, electrical, pneumatic and hydraulilc equipment; performs minor repair and adjustment to malfunctioning parts; troubleshoots and repairs electrical circuits and related equipment; dismantles, cleans, lubricates and assembles pumps and motors in shop or in field; installs new pumping equipment wiring, valves and controls; inspects pumps and tanks for proper operation; inspects, adjusts and makes repairs to regulators and relief valves; repairs malfunctioning parts, such as diaphragms, seats and control pilots; installs recording instruments used in gathering data for system studies; keeps records of time, materials and equipment used; installs conduit and pulls wire for motors, control panels, lighting fixture, outlets and other related work; installs power poles, cross-arms, braces and supporting fixtures; may train and direct the work of others; and follows applicable safety rules and regulations
M&E MW IV
Primary responsibilities and duties include, but are not limited to, the following: Inspects, maintains, repairs, installs, and tests electrical, mechanical and pneumatic equipment, including circuits, transformers, switches, lighting fixtures, motor starters, motors, outlets and control panels; performs the more difficult assignments and uses the tools and testing equipment common to the electrical and electromechanical trades; installs conduit and pulls wire for motors, control panels, lighting fixtures, outlets and other related work; installs power poles, cross-arms, braces and supporting fixtures; directs the work of sub-journeymen and sees that proper safety precautions are observed, with particular emphasis on work performed on energized circuits and establishing electrically safe work conditions and utilizing safe work practices and PPE for testing, troubleshooting, and voltage measuring; makes rough estimates of labor, materials, and supplies required to perform specific assignments; makes as-built drawings of electrical circuits; maintains, repairs, and installs a variety of mechanical equipment, including pumps, motors, regulators and relief valves; follows applicable safety rules and regulations; performs troubleshooting and diagnostic work on a variety of equipment; installs and maintains high voltage (2400 Volt AC) to low voltage (4-20 milliamp) circuitry; may design electrical system for new installation or upgrading existing equipment, or to modify a system for safety or efficiency; and may make minor electronic repairs.
SUPPLEMENTAL INFORMATION
Additional Physical Demands The employee must be capable of obtaining and maintaining a proper facial seal in order to fit and properly wear District respiratory equipment. Exposure to potentially hazardous materials, low to medium voltage, solvents, odors, fumes, laboratory chemicals and microbiological pathogens. The employee must be able to work in above ground or subsurface confined spaces.
