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Water Plant Maintenance Supervisor

January 26, 2026 / Denise Dahlberg / Uncategorized

City of Hillsboro

Salary: $89,221.00 – $117,409.00
Location: Sherwood, OR; Wilsonville, OR
Job Type: Full-Time
Job Number: 2026-70
Department: Water
Opening Date: 1/26/2026
Closing Date: February 22, 2026 – 11:59 PM PST

 

About This Opportunity

This position will set the foundation of maintenance at the under-construction Willamette Water Supply System (WWSS ) WTP in Sherwood and the raw water facility in Wilsonville. The incumbent will supervise a small team of certified maintenance operators and is expected to be both a hands-on leader and strategic contributor. Responsibilities include performing administrative and planning functions as well as working independently and in the field alongside the maintenance team. This role also works closely and collaboratively with other WTP supervisors, management, and WWSS partner agencies to support safe, reliable, and efficient operations.

 

Primary Duties and Responsibilities

  • Supervises staff, including prioritizing and assigning work; conducting performance evaluations; ensuring staff is trained; ensuring that employees follow policies and procedures; maintaining a healthy and safe working environment; and, making hiring, termination, and disciplinary recommendations.
  • Oversee the daily maintenance of water treatment plant assets and systems.
  • Work within computerized asset management and O&M systems to maintain and create accurate logs and records.
  • Review upcoming maintenance tasks, plan, schedule and assign tasks based on priority, staff workload and skillset.
  • Perform QA/QC functions on completed tasks within the asset management system and in the field ensuring work has been completed and documented.
  • Perform maintenance tasks, independently and with a team.
  • Prepares reports, correspondence, project tracking documents, and related technical project specifications and documentation.
  • Purchase and procure supplies and inventory for maintenance and repair activities. Working with other departments and agencies as needed.
  • Monitor warranty periods of equipment and schedule and coordinate repairs within warranty period.
  • Foster a collaborative teamwork environment and mentor others.
  • Assists in preparing budget input and budget tracking; assists in planning and program development; recommends system improvements; and prepares related reports and estimates.
  • Manages records and information in any format in accordance with applicable statutes, regulations, and city policy, guidance, and records retention schedule

 

Ideal Candidate Profile

The successful candidate will bring strong technical expertise, sound judgment, and a collaborative leadership approach to maintaining complex municipal or industrial assets. This role requires a balance of hands-on maintenance experience, effective supervision, and the ability to work safely and inclusively in a dynamic operational environment.

  • Demonstrated experience using tools and equipment associated with asset maintenance in an industrial or treatment facility setting
  • Proficiency using computers and computerized asset management or maintenance management systems to prepare reports, document activities, present information, and develop spreadsheets or similar materials.
  • Strong time management skills, with the ability to plan, prioritize, and manage maintenance schedules effectively.
  • Ability to communicate clearly and work productively with diverse stakeholders representing a range of ethnic, cultural, and socio-economic backgrounds.
  • Knowledge of and ability to oversee and perform safe work practices, including confined space entry, working at heights, and lockout/tagout procedures.
  • Demonstrated ability to foster teamwork, mentor staff, and support professional development.
  • Supervisory experience with the ability to effectively balance administrative responsibilities and field-based work.

 

For full job classification details please click here.

 

Current/Upcoming Projects

The WWSS Water Treatment Plant is currently under construction, and this role will be instrumental in commissioning one of the most technologically advanced water treatment plants in the Northwest. Key projects include:

  • Implementing inventory control of spare parts, equipment, etc.
  • Procuring tools, equipment and supplies to support maintenance activities.
  • Develop SOPs for maintenance activities.

 

EDUCATION AND EXPERIENCE:

High school diploma or GED and six years of related experience in the assigned area of responsibility, including two years of lead or supervisory experience; or an equivalent combination of education and experience sufficient to successfully perform the essential duties of the job such as those listed above.

 

LICENSE(S) / CERTIFICATIONS:

Valid, current Driver’s License and safe driving record

CPR/ First Aid Certification

Class III Plant Maintenance Technologist certification preferred but not required

 

Application Instructions

To apply, please visit the City of Hillsboro Career Opportunities webpage.

To ensure your application receives full consideration, please complete all sections of the online application thoroughly.

Include detailed information about your work experience, education, and relevant qualifications directly in the application. Taking the time to provide complete and accurate information helps the review panel fully understand your background and experience.

Please answer all supplemental questions thoughtfully and thoroughly. Your responses provide valuable insight into your qualifications, experience, and help the hiring manager better understand how your background aligns with the needs of the position.

Incomplete applications will not be accepted.

Only Veterans’ Preference documents (if applicable) will be reviewed as attachments.

 

Commitment to Equity

At the City of Hillsboro, we believe that hiring a workforce that reflects the diverse community we serve is essential to delivering exceptional City services and programs. The City of Hillsboro is committed to creating and supporting an inclusive and welcoming environment for all employees to thrive. We value, respect, and empower employees as unique individuals with authentic voices and diverse ideas.

Next Training/Events

  1. Mar
    2
    Mon
    2026

    1. 8:00 am 48th Annual Management & Technical Conference – Attendee Registration @ Sunriver Resort
  2. Mar
    4
    Wed
    2026

    1. 8:00 am 48th Annual Management & Technical Conference – Exhibitor Registration @ Sunriver Resort
  3. Mar
    17
    Tue
    2026

    1. 8:30 am Wastewater Treatment/Collections Certification Review @ Independence Event Center, Riverview Ballroom (Parking behind building)
  4. Apr
    7
    Tue
    2026

    1. 8:00 am Water Treatment/Distribution Certification Review @ Independence Event Center, Riverview Ballroom (Parking behind building)
  5. Apr
    23
    Thu
    2026

    1. 9:00 am Distribution Basics @ Independence Event Center, Riverview Ballroom (Parking behind building)

View Calendar

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