Combined Sewer and Water Operator II

Salary : $74,555.52 - $84,352.74 Annually
Location : Mason County, WA
Job Type: Full-Time
Job Number:
Department: Utilities & Waste Division
Opening Date: 03/30/2026
Closing Date: 4/20/2026 11:59 PM Pacific
FLSA: Non-Exempt
Bargaining Unit: 14

Any one position may not include all of the duties listed nor do the listed examples include all tasks, which may be found in positions of this class.

Please review the full position description for additional information.
Description
This classification is primarily responsible for the operation and maintenance of wastewater treatment plants, collection systems, drinking water facilities, and water distribution systems of the County to ensure quality operations of wastewater and drinking water systems for the citizens.

Essential Functions

• Regular, reliable, and punctual attendance.
• Monitor the wastewater plant processes and water system quality.
• Perform laboratory testing and analysis to ensure compliance with established regulations.
• Troubleshoot problems and maintain system machinery and equipment in accordance with established O&M requirements and for emergency repairs.
• Respond to customer complaints and questions.
• Perform collection system and distribution system responsibilities.
• Perform new construction utility hook ups and locate underground utilities.
• Attend appropriate training relevant to water, wastewater, and sludge as required to keep licenses active and abreast of new laws and technologies.
• Maintain records and logs as required.
• Maintain grounds and buildings.

JOB COMPLEXITY:

This is the journey level of the Combined Sewer and Water Operator series.

Incumbents in this classification work independently, perform the full range of tasks.

Incumbents are expected to exercise initiative and make sound decisions; accept responsibility in the review of the work of others, provide direction or training. This classification requires the incumbent to be able to read and interpret the laws, rules and regulations relating to wastewater and drinking water systems; work independently, providing direction to less experienced staff and with limited supervision; work within an established system and identify variations requiring immediate or prioritized action relating to systems that are multi-faceted and each require distinct knowledge of operation.

Employees in this classification will operate from established policies and occasionally be required to develop practices or procedures to accomplish job requirements. Errors in action or judgment may result in illness and/or injury to the public, lawsuits, decertification of plants and systems and dissatisfied public. Backup systems for error avoidance or detection include established laws and regulations, past practice, peer assistance and evaluation, review by supervisor and review by regulatory agencies.

SPECIFIC JOB SKILLS:

Incumbents are required to know: laws and regulations regarding the operation and maintenance of wastewater and potable water systems; the technical components of wastewater collection, conveyance, treatment and disposition; and the technical components of a potable water system; acceptable personnel procedures and methods.

Incumbents are required to have the ability to:
Perform duties accurately and timely; make accurate mathematical calculations; perform accurate laboratory tests and analysis; use good judgement in reading and interpreting laws and regulations; analyze and communicate technical data; communicate effectively with the public, other employees and outside professionals; mentally and physically perform required work; work independently within established guidelines with limited supervision; handle multiple, multi-step tasks simultaneously and prioritize workload for self and others;

maintain effective working relationships with other employees in the department, other county departments and regulatory agencies.
SUPERVISORY RESPONSIBILITY:

Positions in this classification are not responsible for supervision of other employees but may check the work and will provide training to less experienced staff and staff assigned to other shifts.
WORKING CONDITIONS:

Work is performed inside in a plant…