WWTP Maintenance Supervisor

The Edmonds Group

Edmonds (WA)

On-site

USD 106,187 - 142,290

Full time

14 days+

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Job summary

City of Edmonds seeks a WWTP Maintenance Supervisor to plan, organize and supervise maintenance, repair, and reliability activities at the Wastewater Treatment Plant. You will oversee mechanical, electrical, and I&C maintenance teams and drive preventive and predictive maintenance programs.

New hires start between $9,515.00 and $10,490.50 per month, with a full wage scale between $9,515.00 and $12,750.50. The role involves coordinating with operations, engineering, and contractors to ensure

Qualifications

Associates Degree in Environmental Science, Water and Wastewater Technology, Civil Engineering, or related field; and five (5) years of industrial or wastewater maintenance experience, including two (2) years in a lead or supervisory role.

Responsibilities

Supervise, schedule, and evaluate assigned staff; provide coaching, technical training, and development opportunities to develop team capability; manage performance and recommend corrective action, if needed.
Prioritize and assign work orders, PM tasks, corrective repairs, and special projects.
Develop, implement, and oversee a comprehensive preventive maintenance (PM) program.
Lead predictive maintenance (PdM) activities such as vibration analysis, thermal imaging, oil analysis, and condition monitoring.
Monitor asset performance data and recommend repair or replacement based on lifecycle and reliability analysis.
Maintain and optimize the CMMS (computerized maintenance management system)
Oversee maintenance of pumps, motors, blowers, clarifiers, HVAC systems, chemical feed systems, digester equipment, electrical distribution systems, and SCADA/I&C systems.
Troubleshoot complex mechanical and electrical issues and guide staff in root-cause analysis. work with operations and maintenance teams to minimize equipment downtime.
Maintain working knowledge of instrumentation and SCADA to support troubleshooting and planning; coordinate with I&C staff on SCADA alarms, controls reliability, and critical infrastructure support.
Maintain asset inventories and lifecycle data, equipment manuals, maintenance history, and regulatory documentation.
Prepare maintenance performance reports, including downtime, backlog, and reliability metrics.
Assist in developing maintenance-related budgets and long-term capital repair and replacement plans.
Plan for asset repair, placement, reliability, and redundancy; analyze condition, risk, and maintenance requirements; and produce asset status reports.
Serve as WWTP maintenance representative during construction, equipment replacements, and contractor activities.
Review design documents for maintainability and operational impacts. Coordinate shutdowns, tie-ins, and commissioning activities with engineering and contractors.
Ensure maintenance staff follow confined space, lockout-tagout (LOTO), electrical safety, chemical handling, and other safety procedures.
Participate in site safety audits and hazard assessments; assure annual fire safety inspections are completed.
Support regulatory compliance related to maintenance, asset condition, and reliability.
Prepare, organize, and maintain a wide variety of reports, records and files related to assigned activities and personnel.
Communicate with personnel and outside organizations to coordinate activities and programs, resolve issues and conflicts and exchange information.

Skills

Supervision

PM programs

CMMS

SCADA

I&C maintenance

Vibration analysis

Education

Associates Degree in Environmental Science, Water and Wastewater Technology, Civil Engineering, or related field

Tools

SCADA systems

Vibration analysis tools

Job description

About The Position

Under general direction, the WWTP Maintenance Supervisor plans, organizes, and supervises the maintenance, repair, and reliability activities of the Wastewater Treatment Plant (WWTP) and associated facilities. This position oversees the mechanical, electrical, and instrumentation & control (I&C) maintenance teams, ensures optimal equipment performance, and leads the development of preventive and predictive maintenance programs. The Maintenance Supervisor works closely with Operations, Engineering, and contractors to ensure plant assets are maintained safely, efficiently, and in compliance with all regulatory requirements. This position will, when assigned, perform the duties of the WWTP Manager during their absence.

New hires generally start between $9,515.00 and $10,490.50 per month. Placement within the position’s full wage scale is based on qualifications and professional experience. The full wage scale for this position is between $9,515.00 and $12,750.50 per month.

The Edmonds Wastewater Treatment Plant (WWTP) is a regional facility. The plant maintains an accredited laboratory where the chemical, physical, and bacteriological processes that treat the wastewater are analyzed. The majority of staff require specialized training, knowledge, experience, and certifications. Based on need, the plant is staffed 14 to 24 hours/day, 365 days/year.

The City of Edmonds is a beautiful community on the Puget Sound waterfront with a population of 43,770 (MRSC_2026) and is the gateway to the Olympic peninsula via the state ferry system. Edmonds provides a full range of services, including contracted fire services, police services a municipal court, a community pool, a regional performing arts facility, public works and utilities, a regional wastewater treatment facility, along with community events and services through our Parks, Recreation, and Cultural Services Department. Six department directors report directly to the Mayor and oversee approximately 264 full-time-equivalent employees.

Essential Functions And Responsibilities

Supervise, schedule, and evaluate assigned staff; provide coaching, technical training, and development opportunities to develop team capability; manage performance and recommend corrective action, if needed.
Prioritize and assign work orders, PM tasks, corrective repairs, and special projects.
Ensure all maintenance work complies with plant safety policies and procedures.
During periods of absence of WWTP Manager, assume Manager roles and responsibilities as assigned.
Develop, implement, and oversee a comprehensive preventive maintenance (PM) program.
Lead predictive maintenance (PdM) activities such as vibration analysis, thermal imaging, oil analysis, and condition monitoring.
Monitor asset performance data and recommend repair or replacement based on lifecycle and reliability analysis.
Maintain and optimize the CMMS (computerized maintenance management system)
Oversee maintenance of pumps, motors, blowers, clarifiers, HVAC systems, chemical feed systems, digester equipment, electrical distribution systems, and SCADA/I&C systems.
Troubleshoot complex mechanical and electrical issues and guide staff in root-cause analysis. work with operations and maintenance teams to minimize equipment downtime.
Maintain working knowledge of instrumentation and SCADA to support troubleshooting and planning; coordinate with I&C staff on SCADA alarms, controls reliability, and critical infrastructure support.
Maintain asset inventories and lifecycle data, equipment manuals, maintenance history, and regulatory documentation.
Prepare maintenance performance reports, including downtime, backlog, and reliability metrics.
Assist in developing maintenance-related budgets and long-term capital repair and replacement plans.
Plan for asset repair, placement, reliability, and redundancy; analyze condition, risk, and maintenance requirements; and produce asset status reports.
Serve as WWTP maintenance representative during construction, equipment replacements, and contractor activities.
Review design documents for maintainability and operational impacts. Coordinate shutdowns, tie-ins, and commissioning activities with engineering and contractors.
Ensure maintenance staff follow confined space, lockout-tagout (LOTO), electrical safety, chemical handling, and other safety procedures.
Participate in site safety audits and hazard assessments; assure annual fire safety inspections are completed.
Support regulatory compliance related to maintenance, asset condition, and reliability.
Prepare, organize, and maintain a wide variety of reports, records and files related to assigned activities and personnel.
Communicate with personnel and outside organizations to coordinate activities and programs, resolve issues and conflicts and exchange information.
Provide technical expertise, information and assistance to the Manager regarding assigned functions, assist as needed in the formulation and development of policies, procedures and programs.
Operate a computer and other office equipment as assigned, maintain current knowledge of plant instrumentation and control systems, drive a vehicle to various sites to inspect work.
Attend and conduct a variety of meetings as assigned, represent the City at a variety of meetings away from the plant site as assigned.
Perform other duties as assigned.

Minimum Qualifications

Associates Degree in Environmental Science, Water and Wastewater Technology, Civil Engineering, or related field; or completion of an accredited industrial maintenance, mechanical/electrical technology, or related technical program; and five (5) years of industrial or wastewater maintenance experience, including two (2) years in a lead or supervisory role.

An equivalent combination of education, training and experience which allows the incumbent to successfully perform the essential functions of the position may also be considered.

Preferred Qualifications

Experience maintaining wastewater treatment plant systems.
Vibration analysis or predictive maintenance certifications (Vibration Level I, Thermography, etc.)

Required Licenses Or Certifications

A valid Driver’s license is required at time of hire. A State of Washington Driver’s License is required within 30 days from date of hire.
State of Washington Group I Wastewater Operator Certification within one year. Must work towards a Group IV certification from hire date.
CPR and First Aid card within 6 months of hire
Other certifications/licenses may be required within a specified period of time after hire.
A criminal background check is required following a conditional offer of employment. Criminal history is not an automatic employment disqualifier. Results are reviewed on a case-by-case basis.

Other Requirements

This is a City identified safety sensitive position and requires a pre-employment drug screening following a conditional offer of employment.

Environment

WORKING CONDITIONS:

Indoor/outdoor work environment
Driving a vehicle to conduct work
Working in a confined or classified space

Physical Abilities

Hearing, speaking or otherwise communicating to exchange information in person or on the phone.
Operate a variety of grounds equipment and power and hand tools.
Operate a computer keyboard or other office equipment.
Read a variety of materials and instruments and possess close vision, far vision, side vision, depth perception, night vision and color vision.
Ascending/descending ladders
Lifting/ carrying or otherwise moving or transporting heavy objects, frequently up to 50lbs.
Sitting/standing or otherwise remaining in a stationary position for extended periods of time
Walking or otherwise moving over rough or uneven surfaces while performing inspections and investigations.
Performing repetitive motions, including balancing, stooping, kneeling, bending, crouching, crawling, reaching overhead, above the shoulders and horizontally, and standing, pushing, pulling and using stairs.
Working in tight spaces
Ability to wear appropriate personal protective equipment based on required City Policy.

Hazards

Exposure to chemicals, used in Wastewater treatment including but not limited to Sodium Hypochlorite, Caustic Soda, Bisulfate, Polymers, Clay, Lime and Carbon.
Exposure to raw and treated sewage, odors associated with sewage treatment, high heat and moving equipment.
Exposure to cleaning chemicals, herbicides and dust.
Working at heights using ladders and structures
Working around and with sometimes noisy machinery having moving parts
Exposure to slippery surfaces, damp spaces while cleaning in and around equipment.
Exposure to electrical power supply and high voltage.

Benefits information is available below and varies based on classification status. Regular, part time employees may be eligible for prorated benefits.

Please visit the HR Benefits Website for more information.

Associates Degree
Bachelors Degree
Master's Degree
None of the above
None of the above but I have an equivalent combination of education, training and/or experience that is clearly detailed on my application.

None or Not Applicable
Environmental Science
Water and Wastewater Technology
Civil Engineering
Other related field

Five or more years
Less than five years with an equivalent combination of education, training and/or experience that is clearly detailed on my application.
None

Washington State Group I Wastewater Operator Certification or out of state equivalent within one year of hire and the ability to work towards a Washington State Group IV Wastewater Operator Certification following hire.
Washington State Group II Wastewater Operator Certification or out of state equivalent.
Washington State Group III Wastewater Operator Certification or out of state equivalent.
Washington State Group IV Wastewater Operator Certification or out of state equivalent.
I do not have any of these WWTP Certifications or am unable to work towards a Washington State Group IV Wastewater Operator Certification following hire.