Monthly Salary Range: $7,004.59 – $8,525.75


  • Responsible for the on-going operation and reporting for two potable water systems and three wastewater treatment plants, consistent with all regulatory
  • Directly supervises up to eight employees. Plans and organizes workloads and staff assignments, reviews progress, quality of work, identifies changes in priorities and
  • Responsible for preparing and submitting all regulatory reports including but not limited to: Daily Monitoring Reports, Biosolids generation, Capacity and Waste Load Assessments, as required, to assure the efficient and effective operation and maintain compliance
  • Makes recommendations to the Deputy Director regarding short and long-range utility plans and
  • Responsible for reviewing permits, construction plans and
  • Supervises new construction, rehabilitation and maintenance of water and wastewater facilities and
  • Analyzes and recommends need for services, equipment and Procures when approved.
  • Effectively communicate with customers, employees, supervisors, Commissioners and Administrator, vendors, contractors, engineers, and
  • Work environment is primarily in the Work hours may be outside the standard 8-hour day.

Position Requirements, Licenses & Certifications

  • State of Washington Certification as a Group 3 (or 4) Wastewater Operator
  • Water Distribution Manager (WDM) 1 or higher water system certification or ability to obtain in 1 year
  • Cross Connection Specialist (CCS) or ability to obtain in 1 year
  • One year of supervisor experience required
  • Six years of treatment plant experience
  • High School Diploma or GED
  • Valid WA State Driver License

Application & Selection Process
Applicants are required to submit a Mason County application and resume:

The completed application may include additional pages of employment history using the application format. The completed application will be used as the primary document to determine if minimum qualifications are met for this recruitment. Misrepresentation, incomplete, or inaccurate entries may be the cause of application rejection, removal from the employment list, or discharge from county service. Applicants will be screened base upon education and experience, and the top candidates will be scheduled for interviews. Selection factors will include demonstrated knowledge and abilities for the particular position. This selection process may be subject to change.

Only those candidates chosen for interviews will be contacted.

Return Applications via
Email to
Postal mail to: Mailing Address – 411 North 5th Street, Shelton, WA 98584
Physical Address at: 423 North 5th Street, Shelton, WA 98584
Fax to: (360) 427-8439

Phone-(360) 427-9670 X 290
Equal Opportunity – Affirmative Action Employer & Drug Free Work Environment.
This information does not constitute an expressed or implied contract or offer of employment. Any provision contained herein may be modified and/or revoked without notice.

Application Instructions
Carefully read the posting and note the minimum qualifications and the selection process. Please indicate all relevant education and experience on the application. A County application is always required and is utilized as the primary document to determine if the applicant meets the minimum qualifications.

Resumes can be included as a supplement but cannot be used in lieu of completing the application. Applications must be entirely completed, and “see resume” will not be acceptable. Applicants applying for more than one position must complete a separate application for each position.

Applications must be signed and dated, and returned to the Human Resources Department on or before the closing date.

Completed applications should be submitted to: Mason County Human Resources, 411 North Fifth Street, Shelton, WA 98584, . Mailed applications must be postmarked no later than the closing date.

Additional materials will not be accepted after the closing date (with exception to mailed applications/material with postmark by the closing date). Applicants should keep a copy of their completed application and any supplemental pages because they will not be returned nor copied after receipt.

Applicant Qualifications – All candidates must meet minimum requirements. Often, the most competitive applicants will possess qualifications far exceeding the required minimum. If a large number of applications are received, only the most qualified applicants will be involved in the selection process.

Authorization to Work – Successful candidates must present documentation proving authorization to work in the United States (as required by federal law).

Work Environment – Mason County maintains a drug-free work environment and prohibits smoking in all County buildings.

Affirmative Action/Equal Employment Opportunity – Mason County is an equal opportunity employer, committed to fair employment practices and does not unlawfully discriminate on the basis of race, sex, age, color, sexual orientation, religion, national origin, marital status, genetic information, veteran’s status, disability, or any other bias prohibited by federal, state or local law.

Accommodation – Applicants with a disability requiring accommodation during the selection process should notify the Human Resources Department at (360) 427-9670 Ext. 290.

Health Insurance – Regular full-time employees and their qualifying dependents are eligible for medical, dental, vision, and life insurance coverage. Some regular part-time employees may receive the same coverage. Employees may partially contribute premiums depending upon the type of coverage selected.

Paid Leave – Sick leave, holidays, and vacation are provided in accordance with the County policy or union contracts. Vacation accrual rates increase at regular intervals based on length of service with the County.

Retirement Plan – All regular Mason County employees are enrolled in the Washington State Public Employee’s Retirement System (PERS). The County and employees contribute jointly to the plans.

Benefit & Salary Information

  • Monthly Salary Range: $7,004.59 – $8,525.75
  • Employee Medical, Dental, and Insurance
    • Optional Family Plans
  • Basic Life Insurance and AD&D
  • Washington PERS
  • Optional Deferred Compensation Plans
  • 12 Paid Holidays
  • 2 Paid Personal Holidays
  • 12 Vacation Days
  • 96 Hours of Sick Leave

For the full position description, please contact the Human Resources department at