Senior Environmental Engineer/Geologist

Location: Seattle, WA  |  Metro: Seattle, Redmond or Tacoma  |  Type: Full Time  |  Department: Environmental

GeoEngineers, Inc. is seeking a Senior Environmental Engineer/Geologist for our Puget Sound area (Seattle, Redmond or Tacoma) office, based on candidate preference. Responsibilities of this position include providing technical leadership on environmental investigation and remediation projects, planning and managing environmental data (soil, sediment, groundwater and vapor) collection efforts, managing cleanup construction oversight, evaluating and interpreting environmental data, performing engineering and scientific analysis and evaluation, preparing cleanup documents including work plans, reports and design (design drawings, specifications and engineers estimate), managing projects, developing and supporting client relationships, business development and mentoring junior staff. 

Essential Duties and Responsibilities

  • Play a key role working closely with Principals/Associates in developing and supporting client relationships, business development activities, preparing Statement of Qualifications (SOQ) and competing for new project opportunities. 
  • Serve as a technical leader for clients and project staff, providing guidance on all phases of remediation projects including planning, permitting, investigation, design, cleanup construction, closeout and long-term monitoring.
  • Plan and manage field explorations and environmental data (soil, sediment, groundwater and vapor) collection efforts. Field explorations may include drilling and test pitting to collect soil samples, sediment grab sampling and coring, and monitoring well installation and collection of groundwater samples.
  • Evaluate and interpret field and laboratory environmental data, perform engineering/scientific analysis and evaluation, and develop solutions to complex problems.
  • Evaluate the fate and transport of environmental contaminants in various media including soil, sediment, groundwater and vapor, and develop conceptual site models to evaluate contaminant exposure pathways to receptors. 
  • Develop solutions to environmental problems by evaluating different and applicable remedial technologies and performing disproportionate cost analysis (DCA) to meet the requirements of State’s Model Toxics Control Act (MTCA) Cleanup Regulations and/or Sediment Management Standards (SMS). 
  • Prepare remedial investigation work plans, sampling and analysis plans, data reports, remedial investigation/feasibility study (RI/FS) reports, cleanup action plans and remedial action completion reports.
  • Prepare design documents, engineering calculations, and permit applications.
  • Perform management and oversight of cleanup construction involving remedial excavation, dredging of contaminated sediment and wood debris, installation of sediment caps, installation, operations and maintenance of in-situ remediation systems and site restoration activities.
  • Perform project and task management duties, such as developing scopes of work and budgets, coordination with clients, subcontractor solicitation, invoicing, cost control, and contract reviews.
  • Mentor and train junior staff.
  • Essential duties and responsibilities may vary based on projects. 


  • Bachelor’s or master’s degree in civil/environmental engineering or geology. Master’s degree preferred.  
  • 10+ years of environmental consulting or related professional experience.
  • Licensed engineer/geologist. Washington PE (Professional Engineer) for engineers and Washington LG (Licensed Geologist) or LHG (Licensed Hydrogeologist) for geologists.
  • Working knowledge of environmental regulations, including Model Toxics Control Act (MTCA) Cleanup Regulations and Sediment Management Standards (SMS) and how to apply them.
  • Skilled in managing environmental field investigation (soil, sediment, groundwater and vapor) and cleanup construction projects. 
  • Ability to independently prepare and lead proposals, work plans, data reports, remedial investigation/feasibility study (RI/FS) reports and design (design drawings, specifications and engineers estimate). 
  • Working knowledge of Local, State and Federal permitting process applicable to environmental cleanup projects. 
  • Valid driver’s license.

Physical Requirements / Work Environment

  • Ability to perform physical duties, including use of personal protective and respiratory equipment and occasional lifting.
  • Able to perform consistent work on a PC.
  • Ability to travel for short-term and long-term assignments as needed. Travel will typically not exceed 10%.
  • All employees are responsible for conducting their work in a safe manner. This includes identifying potential safety hazards and reporting them in a timely manner and participating in project safety briefings. This also includes wearing appropriate safety equipment when working in the field and completing all required health & safety training prior to beginning field work.
  • All employees are subject to completing a background check, reference check, and pre-employment physicals and drug/alcohol testing.

Our best estimate of the salary range for this position, located in the Puget Sound area (Seattle, Redmond or Tacoma) of Washington State, as a Sr. Environmental Engineer is $108,940 – $140,080 or as a Sr. Environmental Geologist is $103,430 – $133,030. Compensation offered will be based on a variety of individual factors, including education and experience, as well as internal equity. GeoEngineers’ salary ranges are reviewed and updated each year and employees are eligible for pay increases based on individual performance.  As part of our competitive total rewards package, employees in this role may also be eligible for our annual year-end bonus offering, subject to program eligibility requirements. 

At GeoEngineers, investing in our people is a top priority. In addition to competitive and equitable pay, we are proud to offer a wide range of benefits to support employees and their families, including healthcare (with travel benefit for care not locally available), 401(k) with company match, short-term and long-term disability, life insurance, wellbeing benefits, paid vacation and sick time and paid holidays, among others. View our full listing of benefits here

Our Commitment to Belonging at GeoEngineers

When people feel they can bring their whole selves to work, that they have a voice and are supported and respected, it creates trust and a feeling of belonging— employees then flourish, grow their careers, and do the best work of their lives. They are more innovative and creative, more productive, and better able to serve our clients and communities. A culture of belonging allows our employees to thrive and our company to prosper. This is a journey. We are committed to doing the work, learning, and evolving as we go. 

GeoEngineers, Inc. is an Equal Opportunity Employer that values workplace diversity. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. For more information, please visit

GeoEngineers is also committed to working with and providing reasonable accommodation to individuals with physical and mental disabilities. If you need special assistance or an accommodation while seeking employment, please contact Human Resources via or by phone at (425) 861-6000. We will make a determination regarding your request for reasonable accommodation on a case-by-case basis.

We welcome and encourage individuals from all backgrounds and experiences to apply for openings on our team. We would love for you to join us!

We care about your privacy. Read GeoEngineers’ Privacy Notice for details on our personal data policies.

We're driven by our values.