Principal Hydrogeologist

Job ID: 45253Reference: 300016525178758Location: Seattle, WA, United States | Albuquerque, NM, United States | Highlands Ranch, CO, United States | Reno, NV, United States | Salt Lake City, UT, United StatesDepartment: Environmental EngineeringBusiness Unit: ANA United StatesWork Type: HybridDate Posted: 2026-10-20Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.Arcadis is seeking a highly skilled, detail-oriented, well-organized, and dependable principal groundwater scientist/engineer (Engineer, Environmental Scientist, Geologist, or Hydrogeologist) to support our growing community. The position requires a strong background in quantitative hydrogeology (i.e., mathematical interpretation hydrogeologic systems) to assist with a variety of groundwater remediation and water resources projects throughout the US and abroad.This full-time position requires strict adherence to health and safety procedures, attention to detail, good work ethic, a strong desire to work well with others, and a passion for creating high-quality work products.Role description:Responsibilities may include, but not be limited to, the following:Quantitative/qualitative interpretation hydrogeologic systems, Conceptual site model (CSM) development, Remedial system conceptual design, Analytical calculations and water resource evaluations, Remedial system performance evaluation, Remediation/supply well design, Aquifer test design and analysis, Geostatistical analysis and modeling of hydrogeologic data, Application of advance, Analytical/numerical groundwater flow and transport modeling to support environmental remediation and water resource projects, Advanced/state-of-the science, Visualization of CSM components and flow/transport modeling results, Preparation of technical reports and presentations, Design, oversight, and analysis of subsurface characterization and remediation activities, Preparation of planning documents, Installation of soil borings, Monitoring/remediation well installation, Collection of soil and water samples (e.g., vertical aquifer profiling), Geophysical investigations, Tracer tests and Interpretation and documentation of investigation results (i.e., interpretation of geologic depositional environments and hydrogeologic conditions)Communicate and work closely with project teams, clients, and regulatory agenciesReview work products developed by junior staff and mentor/help develop their careersAssist with writing and preparing technical reports, work plans, proposals, and presentationsProduction of figures, maps, and graphical summaries of data trendsConducting project-related research (historical data, regulations, etc.)Prepare and present both internal- and external-facing technical presentations and/or articles to help demonstrate thought leadership and to advance innovationField work/site visits will often be performed at project sites with environmental media (e.g., soil, sediment, groundwater, surface water, etc.) that has been impacted with hazardous substances and/or hazardous wastes.Required Qualifications:Minimum Years of Experience: 15 to 20Education: MS in Geology, Hydrogeology, Engineering, Environmental Science or related disciplineKnowledge of the environmental and water resources regulatory regime across the United StatesCertifications/Licenses: Professional Engineer (PE) or Registered/Professional Geologist (RG/PG)40-Hour OSHA Hazardous Waste Operations and Emergency Response Standard (HAZWOPER) TrainingProficient with Microsoft Office-based software programs (Word, Excel, and PowerPoint)Will also require a clean driving record, education verification and certification verificationPreferred Qualifications:Experience in programming/groundwater-related software proficiency as well as development and application of groundwater flow and solute transport modelsThis position may require travel; travel amount is anticipated to be 5-20%A valid driver’s license and clean driving record is required for this positionWhy Arcadis?We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It’s why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.You’ll do meaningful work, and no matter what role, you’ll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.Together, we can create a lasting legacy.Join Arcadis. Create a Legacy.Our Commitment to Equality, Diversity, Inclusion & BelongingWe want you to be able to bring your best self to work every day. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20 days PTO that accrue per year. The salary range for this position is $133,920 to $200,880.Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.

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