Original job description
Humboldt Bay Municipal Water District
Posted: Nov. 13, 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.
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. 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.
Click here for more.
More about this job
Responsibilities
Support field operations and plan capital and repair projects, including preparing cost estimates and specifications. Coordinate safety programs and training, maintain records and inventory, oversee contract work, participate in the standby rotation, and lead the crew when the supervisor is absent.
Requirements
Requires a high school diploma or GED, 3–5 years of progressively responsible maintenance or construction experience, and qualifying water treatment experience with a Grade III certification or an eligible Grade II certification and immediate eligibility to test for Grade III. Candidates must be ready to contribute in at least two listed technical or leadership areas and meet additional certification, driver’s license, physical, and drug-screen requirements.
Skills
- Electrical And Instrumentation
- Pumps And Hydraulics
- Welding And Fabrication
- Heavy Equipment And Utilities
- Construction And Project Planning
- Supervision And Leadership
- Water Treatment
- Maintenance
- Safety Program Coordination
- Cost Estimating
- Contract Oversight
- Inventory Management
- Emergency Response
Benefits
- CalPERS Retirement
- Health Insurance
- Dental Insurance
- Vision Insurance
- Life Insurance
- Vacation Leave
- Sick Leave
- Paid Holidays
- Floating Holidays
- Management Leave
- 457 Deferred Compensation
- AirMed Care Flight Insurance
- Fitness Stipend
- Emergency Employee Loan Program
- Paid Standby
Visa sponsorship
Not detected in the job text
Categories
- Trades
- Engineering
- Management & Leadership
- Government & Public Sector
- Security & Safety
Keywords
- Grade IV Water Distribution
- NCCCO Crane Operator
- Telescopic Boom
- Boom Truck
- Service Truck
- Class A CDL
- Haz-Mat Endorsement
- First Aid
- CPR
- Electrical And Instrumentation
- Pumps And Hydraulics
- Welding And Fabrication
- Heavy Equipment
- Utilities
- Construction
- Project Planning
- Supervision
- Leadership
- Capital Projects
- Repair Projects
- Cost Estimates
- Specifications
- Safety Program
- Safety Meetings
- Training
- Contract Work
- Standby Rotation
- Maintenance
