HBMWD Assistant Maintenance and Electrical Supervisor

Humboldt Bay Municipal Water District

Posted: Oct. 15, 2026

Humboldt Bay Municipal Water District (HBMWD)

is re-posting this position and seeking a qualified professional to join our team as an Assistant Maintenance & Electrical Supervisor. This is a new posting. The position is open until filled; first review of applications will take place on Friday, October 30, 2026.

We’re looking for an experienced, well-rounded professional ready to step into leadership. You’ll work alongside our Maintenance & Electrical Supervisor, lead the crew in their absence, and be mentored into the Supervisor role. Duties include supporting all field operations, planning capital and repair projects, preparing cost estimates and specs, coordinating the District Safety Program, running safety meetings and training, maintaining records and inventory, overseeing contract work, and participating in the standby rotation.

REQUIRED: Water Treatment Certification Grade III (T3), or Grade II (T2) with at least two years of experience at that level and eligibility to test immediately for Grade III, with a path to Grade IV. Additionally, candidates must demonstrate strengths in two or more of the following areas, ready on day one: Electrical & Instrumentation; Pumps & Hydraulics; Welding & Fabrication; Heavy Equipment & Utilities; Construction & Project Planning; or Supervision & Leadership. Minimum qualifications: high school diploma or GED (college or technical coursework a plus), 3–5 years of progressively responsible maintenance or construction experience, and water treatment experience consistent with the certification requirement. Other certifications required: Grade IV Water Distribution (or ability to obtain within a specified timeframe); NCCCO Crane Operator - telescopic boom, boom truck, and service truck (within required cycle); Class A CDL with Haz-Mat endorsement (must obtain if not held); and American Red Cross First Aid/CPR (within first year).

Base salary range: $113,778 – $138,303/year. Paid standby (rotating schedule) typically adds $8,000 – $13,000, with typical first-year earnings of $121,778 – $151,303. Scheduled salary adjustments of 3% are planned for January 2027, July 2027, and January 2028 (pending Board approval). Schedule is Monday–Friday with rotating paid standby and emergency response. Benefits include: CalPERS retirement; health, dental & vision; life insurance; vacation (2–5 weeks/year); sick leave (up to 130 days); 12 paid holidays; 3 floating holidays; 2 days management leave; 457 deferred compensation; AirMed Care flight insurance; fitness stipend; and an emergency employee loan program.

The Humboldt Bay Municipal Water District provides wholesale drinking water to 7 municipal customers, serving 94,000 community members across Humboldt County. We are committed to reliable, safe water delivery to the communities we serve. This position is based in Arcata, CA.

This position is open until filled; first review of applications is Friday, October 30, 2026. Employment applications are available online at www.hbmwd.com/employment, or at the District Main Office (828 7th Street, Eureka). Please provide a cover letter with your completed application. Applications can be dropped off in person at the District Main Office, emailed to office@hbmwd.com, or mailed to HBMWD, PO Box 95, Eureka, CA 95502-0095. For questions, call (707) 443-5018.

A pre-employment physical and drug screen are required. Candidate must possess a valid California driver’s license. Humboldt Bay Municipal Water District is an Equal Opportunity Employer.

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