Hydrogeologist / Cleanup Site Manager (Hydrogeologist 3 or 4)
State of Washington
Posted: March 20, 2026 (1 day ago)
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State of Washington
Dept. of Ecology
Location
Washington, 98504
Salary
$8,012 - $10,774
per month
Type
Full-Time
More Engineering jobs →Closes
Base salary range: $147,649 - $221,900
Typical requirements: Executive-level leadership experience. Senior executive qualifications required.
Note: Actual salary includes locality pay (15-40%+ depending on location).
This job involves overseeing the cleanup of major contaminated sites in Washington state, reviewing plans to remove pollutants from soil, water, and air, and ensuring everything follows environmental laws to support safe development and real estate deals.
You'll also mentor other team members and help make smart decisions on the best ways to handle chemicals that spread through the environment.
It's a great fit for an experienced environmental engineer who loves solving tough pollution problems and guiding others in a government setting.


The Department of Ecology is hiring a Site Manager / Fate & Transport Expert (Environmental Engineer 5) within the Toxics Cleanup Program (TCP).
Location:
Schedule:
Application Timeline:

As a Site Manager / Fate & Transport Expert, you’ll take on some of Washington’s largest and most complex contaminated sites.
You’ll review remedial investigations, feasibility studies, and cleanup action plans, and you’ll guide corrective actions and compliance monitoring that support property development, real estate transactions, and other critical activities across the state.
This role offers the chance to apply deep technical expertise where it truly matters.
Your knowledge of chemical fate and transport will directly shape cleanup strategies under the Model Toxics Control Act (MTCA), ensuring sound, defensible decisions.
You’ll design engineering analyses that evaluate contaminant movement through groundwater, soil, and air, and you’ll help identify the most effective cleanup technologies—from in-situ stabilization to soil vapor extraction to permeable reactive barriers.You’ll also serve as a technical resource for engineers and site managers, offering clear, thoughtful review and mentorship.
And by delivering timely, accurate updates on site status, you’ll help keep real estate transactions, loans, and development moving efficiently while maintaining strong environmental protection standards.
Additional duties as a Site Manager will include:
Learn more about what it is like to be an Engineer at the Department of Ecology
For detailed information on how we calculate experience and responses to other frequently asked questions, please visit our Recruitment website.
Required Qualifications:
Registration as a Professional Engineer in the state of Washington or another state based on registration requirements equivalent to those in Washington, AND
Special Requirements/Conditions of Employment:
Registration as a Professional Engineer in the State of Washington or another state, based on registration requirements equivalent to those in Washington.
Applicants qualifying through the licensing equivalency option must achieve professional registration as an engineer in the state of Washington within six months of appointment to this class.
NOTE: Individuals who are licensed as professional engineers in another U.S.
jurisdiction or foreign country and wish to apply for this position must qualify for licensure in Washington State by comity.
Applicants are responsible for reviewing and ensuring they meet Washington’s comity requirements before submitting application materials.Licensing requirements can be found on the Washington State Board of Registration for Professional Engineers and Land Surveyors website: How to Get Your Professional Engineer License When Licensed in Another Jurisdiction.
Ecology does not use the E-Verify system; therefore, we are not eligible to extend STEM Optional Practical Training (OPT). For more information, please visit www.uscis.gov.
Our Commitment to DEIR
Diversity, Equity, Inclusion, and Respect (DEIR) are core values central to Ecology's work.
We strive to be a workplace where we are esteemed for sharing our authentic identities, while advancing our individual professional goals and collaborating to protect, preserve, and enhance the environment for current and future generations.
Diversity: We celebrate and appreciate diversity; our unique perspectives and abilities enrich us all and lead to innovative approaches and solutions.
Equity: We champion equity, recognizing that each of us need different things to thrive.
Inclusion: We intentionally create and hold space so that we all have meaningful opportunities to participate and contribute to Ecology’s work.
Respect: We treat each other with respect and dignity, acknowledging the inherent worth of our diverse perspectives and lived experiences, even in times of uncertainty and disagreement.
We believe that DEIR is both a goal and an action. We are on a journey, honoring our shared humanity and taking steps to demonstrate our commitment to a vision where each of us is heard, seen, and valued.
Application Process
Ecology seeks diverse applicants: We view diversity, equity, inclusion, and respect through a broad lens including race, ethnicity, class, age, religion, sexual orientation, gender identity, immigration status, military background, language, education, life experience, physical disability, neurodiversity, and intersectional identities.
Qualified job seekers from all backgrounds are encouraged to apply.
How to Apply
Click “Apply” at the top of this page. Complete the entire application, including full work history and responses to all supplemental questions, and attach the following required documents:
Because we base our selection on the information you provide, it is in your best interest to complete the application thoroughly.
A resume will not substitute for the “work experience” section of the application or vice versa.
Applications with blank fields or supplemental question responses with comments such as “see resume” may be considered incomplete.
Application Attestation: By submitting an application, you are affirming that the information contained in your application and on all attachments is complete and truthful.
The state may verify this information, and any false or misleading answers may result in rejection of your application or dismissal if employed.
Need an Accommodation?
If you need reasonable accommodation during the application and/or screening process, including this job announcement in an alternate format:
Questions?
About the Toxics Cleanup Program
The mission of the Toxics Cleanup Program (TCP) is to protect Washington’s human health and the environment by preventing and cleaning up pollution and supporting sustainable communities and natural resources for the benefit of future and current generations.
About the Department of Ecology
As the State of Washington’s environmental protection agency, we are deeply committed to protecting, preserving, and enhancing Washington’s environment for current and future generations.
Joining Ecology means becoming part of a team dedicated to protecting and sustaining healthy land, air, water, and climate in harmony with a strong economy.
A career in public service at Ecology allows you to help solve some of the most challenging problems facing our state, while keeping your health and financial security a priority.
We combine one of the most competitive benefits packages in the nation with a strong commitment to life/work balance.
We invest in our employees to create and sustain a working environment that encourages creative leadership, effective resource management, teamwork, professionalism, and accountability.
Ecology employees may be eligible for the following: Medical/Dental/Vision for employee & dependent(s), Public Employees Retirement System (PERS), Vacation, Sick, and other Leave, 11 Paid Holidays per year, Public Service Loan Forgiveness, Tuition Waiver, Long Term Disability & Life Insurance, Deferred Compensation Programs, Dependent Care Assistance Program (DCAP), Flexible Spending Arrangement (FSA), Employee Assistance Program, Commute Trip Reduction Incentives, Combined Fund Drive, SmartHealth *Click here for more information
To learn more about Ecology, please visit our website, explore Working at Ecology, check out our Strategic Plan, and connect with us on LinkedIn, Facebook, Instagram, YouTube, or our blog.
Equal Opportunity Employer: The Washington State Department of Ecology is an equal opportunity employer.
We strive to create a working environment that includes and respects cultural, racial, ethnic, sexual orientation and gender identity diversity.
Women, racial and ethnic minorities, persons of disability, persons over 40 years of age, veterans, military spouses or people with military status, and people of all sexual orientations and gender identities are encouraged to apply.
Collective Bargaining: This is a position covered by a bargaining unit for which the Washington Federation of State Employees (WFSE) is the exclusive representative.
Note: This recruitment may be used to fill other positions of the same job classification across the agency. Once all the position(s) from the recruitment announcement are filled, the recruitment may only be used to fill additional open positions for the next sixty (60) days.
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