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Senior Hydrogeologist, Groundwater Modeler

Geosyntec Consultants

Ann Arbor, MI · HybridFull-timePosted 1w agoStill listed today

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At a glance

Compensation
No compensation found
Location
Ann Arbor, MIHybrid
Schedule
Full-time
Work Authorization
Not specified

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

Valid US Driver's License, required

Job overview

Geosyntec Consultants seeks a Senior Hydrogeologist, Groundwater Modeler for Midwest offices to contribute to projects involving contaminated site assessment and remediation, groundwater management and water supply, litigation support, and contaminant fate and transport. The role includes hydrogeologic investigations, modeling, project and client management, and business development. A hybrid schedule may be available at the Company’s discretion.

Skills & qualifications

RequiredNice to have

Skills

Aquifer Pumping Test Analysis, requiredContaminant Remediation, requiredQuantitative Hydrogeology, requiredLaser-Induced Fluorescence, nice to haveMembrane Interface Probes, nice to haveHydraulic Profiling Tools, nice to haveAutoCAD, nice to haveArcGIS, nice to haveEVS, nice to haveMODFLOW, nice to haveMT3D, nice to haveClient Development, requiredProject Management, requiredDeadline Management, requiredTravel, required

Qualifications

Bachelor's in Engineering, Geology, Hydrogeology, or Earth Sciences, requiredAdvanced Degree in Related Field, nice to haveProfessional Registration (PE or PG), nice to have8+ Years Related Experience or Equivalent, requiredValid US Driver's License, requiredSatisfactory Driving Record, required

Full job description

Overview

Do you want to build an impactful career to change the world for the better?

Geosyntec has an exciting opportunity for a Senior Hydrogeologist, Groundwater Modeler in our Ann Arbor, MI, Columbus, OH, Overland Park, KS, Milwaukee, WI or St. Louis, MO office or other Midwest based offices. The opportunity to work a hybrid schedule may be available at the discretion of the Company. This position is well-suited for a talented, highly experienced groundwater modeler who is interested in contributing to innovative and challenging projects involving contaminated site assessment and remediation, groundwater management and water supply, litigation support, and contaminant fate and transport.

Geosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.

We invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.

To Learn More Visit: http://www.geosyntec.com/careers/.

Essential Duties and Responsibilities

  • Design and oversight of hydrogeologic investigations and preparation of conceptual site models.

  • Provide technical hydrogeological support to various projects including groundwater supply development, construction dewatering and contaminant sites.

  • Characterize aquifers using various methods including aquifer pumping tests, down hole geophysics and high-resolution hydraulic profiling.

  • Lead data analysis/visualization of site investigation data including the preparation of tables, maps, and figures using both industry-standard and cutting-edge applications.

  • Support fate and transport modeling, natural attenuation evaluations, and risk assessment.

  • Perform task and project management, including planning and implementing investigation and remediation projects, budgeting and budget management, adherence to schedule, quality, client satisfaction, and profitability.

  • Serve as a testifying expert on litigation matters involving hydrogeologic assessment and contaminant fate and transport.

  • Prepare, review, and certify technical reports, letters, memoranda, plans, specifications, and proposals.

  • Lead meetings with clients, regulatory personnel, and other parties.

  • Lead proposal efforts and other business development activities.

  • Coordinate contractor oversight for assessment and remediation projects.

  • Drive personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed.

Education and Licensure

  • Bachelor's degree in engineering, geology, hydrogeology, or earth sciences. (required)

  • Advanced degree of the same. (preferred)

  • Professional registration (i.e., P.E. or P.G.) (preferred)

Skills, Experience and Qualifications

  • At least 8 years (10+ preferred) of related experience; or equivalent combination of education and experience. (required)

  • Experience with developing and analyzing aquifer pumping tests. (required)

  • Demonstrated proficiency in contaminant remediation and quantitative hydrogeology. (required)

  • Experience with the use of high-resolution investigation methods (laser-induced fluorescence (LIF), membrane interface probes (MIP), and hydraulic profiling tools (HPT)). (preferred)

  • Experience with visualization tools (AutoCAD, ArcGIS or EVS) and/or groundwater flow (Modflow, MT3D). (preferred)

  • Demonstrated success in the development and management of clients. (required)

  • Ability to succeed in a fast-paced consulting environment, handling multiple project assignments, meeting strict deadlines, and traveling to client facilities as needed. (required)

  • Valid U.S. driver’s license and a satisfactory driving record for business travel. (required)

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How this job compares

Set against the 514 open Environmental Consultant jobs on Olive Jobs, counted November 10, 2026.

Pay
  • This postingNot listed
  • US median$97–156K/yr318 salary ranges
  • US median$35–40/hr35 hourly ranges
Openings
Olive Jobs lists 514 open Environmental Consultant jobs across the US. 11% of them nationwide are listed as remote or flexible.
Hiring the most across the US
Experience
This posting asks for at least 8 years of experience; Environmental Consultant postings that state a minimum ask for 7 years at the median (469 postings).
Education
287 of the 514 open Environmental Consultant jobs (56%) ask for a bachelor's degree or higher.

Counted across the open, public US postings on Olive Jobs on November 10, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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