Senior Hydrogeologist; Hydrogeologist

Senior Hydrogeologist (Hydrogeologist
4)

Posted 6 days ago. Be among the first 25 applicants.

Keeping Washington Clean and Evergreen.

Location:

Central Region Office in Union Gap, WA. Must reside within commutable distance.

The salary listed includes 7.5% assignment pay due to required licensure.

• Eligible for telework and flexible schedule. First month full‑time in‑office; thereafter up to 90% telework.
• Schedules subject to change based on position needs.

• Apply by December 1 2025.
• Position open until filled; agency may hire at any time after review.

As a Senior Hydrogeologist in the CRO Water Quality Industrial Unit, you will apply groundwater science to support permitting decisions, evaluate industrial discharges, and protect water quality across Washington.

• Support preparation and review of wastewater discharge permits (SWD & NPDES) for industrial facilities.
• Use hydrogeology/geology knowledge to assess submitted reports ensuring state and federal standards are met.
• Integrate groundwater quality standards into permits by interpreting monitoring data and contributing to compliance decisions.
• Collaborate with facility staff, consultants to address regulatory questions and provide guidance.
• Apply expertise to permit compliance inspections, document findings, and communicate results.
• Review and enhance internal/external guidance for land treatment practices with other Ecology hydro geologists.

• Valid Washington State Hydrogeologist specialty license.
• 9 years of experience and/or education in hydrogeology, hydrology, geology, or closely allied professions (per equivalency table).
• Must possess and maintain a valid driver’s license.

• Experience with federal, state, and local environmental legislation.
• Strong oral and written communication of complex issues.
• Familiarity with groundwater analysis and land treatment at industrial facilities.

Submit a cover letter, resume, and complete application. Attach the cover letter describing your interest and qualifications for this position.

The Washington State Department of Ecology is an equal opportunity employer. We strive to create a workplace that includes and respects cultural, racial, ethnic, sexual orientation, and gender identity diversity. Women, minorities, persons of disability, veterans, and all other individuals are encouraged to apply.