Senior Hydrogeologist

Description

Terraphase is seeking a Principal Hydrogeologist, Geologist, or Groundwater Geologist to provide strategic and technical support on client projects and lead business development across our growing water resources, environmental investigation/remediation, and litigation support service areas. The role involves significant client engagement, project management, staff development, and multidisciplinary collaboration.

The Role

• Be involved in projects with our Environmental, Geotechnical, and Hydrogeology Teams and contribute to a growing organization that meets client objectives.
• Familiar with drilling, design, construction, testing, evaluation, and rehabilitation of large‑capacity water supply wells.
• Develop and apply analytical and numerical groundwater models to support contaminated site investigations and water resource projects.
• Analyze and interpret well testing data, model results, geophysical data, and hydrogeological data, preparing plots and reports.
• Provide technical support for well drilling, wellhead protection, water rights, hydrogeologic investigations, testing, visualization, and conceptual site model development.
• Plan and manage projects and participate in client and regulatory meetings.
• Lead business development activities, including client contact, presentations, proposal writing, and professional society participation.
• Serve as an internal technical resource to guide and review work, ensuring technical quality and mentoring junior staff.

Who You Are

• Hold an advanced degree in Geology, Environmental Science, or a related field.
• Licensed Hydrogeologist (LHG) in the state of Washington.
• Minimum of 15 years of experience in hydrogeology consulting or a related field.
• Familiarity with Washington State geology, hydrogeology, and environmental regulations and permitting processes.
• Experience with industry‑standard numerical modeling packages and analytical codes.
• Strong reputation for creativity, integrity, responsiveness, and technical expertise.
• Well‑versed with typical production well drilling techniques.
• Skilled in installation and operation of groundwater monitoring instrumentation.
• Strong technical modeling and analysis skills.
• Excellent technical writing and oral communication skills.
• Experience leading project teams and supervising others.
• Ability to prioritize and manage multiple tasks and projects.
• Ability to work effectively as part of a team and independently.

Compensation for this position is based on experience, expertise, education, and geographic location.

Pay Range:

$100,000 - $150,000 USD

Terraphase offers an extensive benefits package including medical, dental, vision, employer‑paid life insurance, long‑term disability, a generous 401(k) match, commuter benefits, corporate lunches, professional development reimbursement, flexible work schedule, and company‑sponsored events.

EOE STATEMENT

Terraphase is an Equal Opportunity Employer, committed to an inclusive and diverse work environment where individual strengths and diverse viewpoints are respected and complemented to achieve common goals. (EOE M/V/F/D)