Hydrogeologist​/Cleanup Site Manager; Hydrogeologist

Keeping Washington Clean and Evergreen

The Department of Ecology is hiring a Hydrogeologist / Cleanup Site Manager (Hydrogeologist 4 ) within the Toxics Cleanup Program (TCP).

Location:

• Northwest Region Office in Shoreline, WA.
• The salary listed includes 5% premium pay due to the position location in King County.
• Upon hire, you must live within a commutable distance from the duty station.

Assignment Pay:

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

Schedule:

• This position is eligible for telework and flexible schedule options.
• A minimum of three days per week is required in the office, including in-person meetings and activities, to maintain a dedicated assigned workspace.
• You may telework two days per week where work activities permit.
• Schedules are dependent upon position needs and are subject to change.

Application Timeline:

• Apply by February 1, 2026.
• This position will remain open until filled. The agency reserves the right to make a hire at any time after application review begins. Applications received after the date above may not be considered.

We are seeking a senior‑level licensed hydrogeologist to provide technical expertise and project management for complex contaminated site cleanups under the Model Toxics Control Act (MTCA). In this role, you will apply advanced geological, hydrogeological, fate and transport, and engineering principles to drive site characterization, remedial investigation, feasibility evaluation, and remediation. You will exercise professional judgment, ensure compliance with regulatory frameworks, and collaborate with Toxics Cleanup Program (TCP) management, potentially liable person (PLP) consultants, other agencies, and interested parties to advance and complete cleanup projects.

This position offers a dynamic mix of technical review, field oversight, project management, and engagement with interested parties, giving you the opportunity to influence meaningful environmental outcomes across a portfolio of challenging cleanup sites, while working with a team of colleagues and promoting technical excellence.

• Provide technical oversight for assigned Model Toxics Control Act (MTCA)-contaminated sites, ensuring work follows sound geologic, hydrogeologic, fate and transport, and engineering principles.
• Manage cleanup projects, including schedules, milestones, and coordination with PLP consultants and Ecology external contractors.
• Review and approve technical documents, such as work plans, remedial investigations, feasibility studies, cleanup action plans and remedial designs, for accuracy, completeness, and regulatory compliance.
• Conduct field visits to observe site activities and provide guidance on investigation, sampling, and remediation.
• Work with colleagues to provide technical support, including peer reviews and guidance, to promote and maintain technical excellence and project uniformity.
• Prepare written communications, including emails, letters, memos, technical reports, and summaries, and represent projects with agencies, interested parties, and the public.
• Work with TCP management to procure and manage Ecology external contracts for technical support for select projects according to agency policies.
• Maintain project and site records in agency systems, ensuring accurate data management and supporting reporting and compliance requirements.

For detailed information on how we calculate experience, please visit our Recruitment website.

Possession of a valid Washington State Hydrogeologist Specialty license

AND

Nine years of professional experience and/or education as described below:

• Experience as a hydrogeologist, hydrologist, geologist or closely allied profession.
• Education involving a major study in hydrogeology, hydrology, geology or closely allied field.
• The above education and experience may be concurrent with the time it takes to get licensure.

Examples of how to qualify:

• 9 years of experience.
• 8 years of experience AND 30-59 semester or 45-89 quarter college credits.
• 7 years of experience AND 60-89 semester or 90-134 quarter college credits (Associate’s degree).
• 6 years of experience AND 90-119 semester or 135-179 quarter college…