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Modflow Groundwater Modeling Jobs (NOW HIRING)

Experience with groundwater modeling tools such as MODFLOW, SEAWAT, Groundwater Vistas, or similar platforms is preferred * Experience with analyzing pumping test data * Must pass drug test ...

Experience with groundwater modeling tools such as MODFLOW, SEAWAT, Groundwater Vistas, or similar platforms is preferred * Experience with analyzing pumping test data * Must pass drug test ...

Experience with groundwater modeling tools such as MODFLOW, SEAWAT, Groundwater Vistas, or similar platforms is preferred * Experience with analyzing pumping test data * Must pass drug test ...

Experience with groundwater modeling tools such as MODFLOW, SEAWAT, Groundwater Vistas, or similar platforms is preferred * Experience with analyzing pumping test data * Must pass drug test ...

Principal Hydrogeologist

Denver, CO ยท On-site +1

$150K - $200K/yr

Guide or critically review numerical and analytical groundwater modeling, including assumptions ... Experience with MODFLOW, FEFLOW, MINEDW, GIS, 3-D visualization, or data analysis. * Experience ...

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Modflow Groundwater Modeling information

See salary details

$53.5K

$80.7K

$122.5K

How much do modflow groundwater modeling jobs pay per year?

As of Jul 2, 2026, the average yearly pay for modflow groundwater modeling in the United States is $80,686.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,500.00 and $87,000.00 per year, depending on experience, location, and employer.

What is the difference between Modflow Groundwater Modeling vs Hydrogeologist?

AspectModflow Groundwater ModelingHydrogeologist
CredentialsTypically requires a degree in geology, environmental science, or hydrology; familiarity with modeling softwareRequires a degree in geology, hydrogeology, or related field; often includes fieldwork experience
Work EnvironmentPrimarily office-based, using specialized modeling software; some field data collectionMix of office work and fieldwork, including site assessments and sampling
Industry UsageUsed by environmental consulting firms, government agencies, and research institutions for groundwater flow simulationsEmployed in environmental consulting, resource management, and research for site evaluations and resource assessments

While Modflow Groundwater Modeling focuses on creating computer models to simulate groundwater flow, Hydrogeologists apply their geological knowledge in both field and office settings to assess and manage groundwater resources. Both roles often collaborate but serve different primary functions within the industry.

What are the key skills and qualifications needed to thrive as a Modflow Groundwater Modeler, and why are they important?

To thrive as a Modflow Groundwater Modeler, you need a strong background in hydrogeology, groundwater flow principles, and numerical modeling, typically supported by a degree in environmental engineering or earth sciences. Expertise in Modflow software, GIS tools, and data analysis platforms like Python or MATLAB is essential, and certifications in groundwater modeling can be advantageous. Strong analytical thinking, problem-solving, and communication skills help convey complex technical findings to diverse stakeholders. These skills are crucial for producing accurate groundwater models that inform environmental management and decision-making.

What are some typical challenges faced when working on MODFLOW groundwater modeling projects and how can they be addressed?

Professionals working with MODFLOW groundwater modeling often encounter challenges such as data limitations, model calibration difficulties, and complex hydrogeologic conditions. Addressing these issues requires careful collection and validation of input data, iterative calibration using observed field measurements, and close collaboration with hydrogeologists and field teams to interpret results accurately. Staying updated with the latest MODFLOW versions and tools, as well as regularly communicating with stakeholders, can also help in overcoming technical and project management hurdles.

What is Modflow groundwater modeling?

Modflow groundwater modeling refers to the use of MODFLOW, a widely used computer program developed by the US Geological Survey, to simulate the flow of groundwater through aquifers. MODFLOW helps hydrologists and engineers understand groundwater conditions, predict the effects of water management strategies, and assess environmental impacts. By creating a numerical model of groundwater systems, users can analyze how changes in pumping, recharge, or land use might affect water levels and flows.
More about Modflow Groundwater Modeling jobs
What cities are hiring for Modflow Groundwater Modeling jobs? Cities with the most Modflow Groundwater Modeling job openings:
What states have the most Modflow Groundwater Modeling jobs? States with the most job openings for Modflow Groundwater Modeling jobs include:
Infographic showing various Modflow Groundwater Modeling job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 91% In-person, and 9% Remote job distribution, with an average salary of $80,686 per year, or $38.8 per hour.
Principal Hydrogeologist / Groundwater Modeler

Principal Hydrogeologist / Groundwater Modeler

Geosyntec Consultants, Inc.

Oakland, CA โ€ข On-site

$78K - $99K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 24 days ago


Job description

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

Geosyntec has an exciting opportunity for a Principal Quantitative Hydrogeologist / Groundwater Modeler in our Oakland or Walnut Creek, California offices.  This position is well-suited for a talented, highly experienced individual 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/.


  • Manage challenging technical projects while leveraging your existing knowledge and experience to help Geosyntec expand its current practices and capabilities through business development and client management.
  • 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 the technical specialist on impacted groundwater projects.
  • Design and oversight of field investigations and development of conceptual hydrogeologic models.
  • Design strategy and oversee aquifer testing and hydrogeologic data analyses.
  • Design strategy and oversee data analysis/visualization of site investigation data including the preparation of tables, maps, and figures using both industry-standard and cutting-edge applications.
  • Design strategy and oversee preparation of, review of, 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.
  • Develop a client portfolio by acquiring new clients and effectively managing relationships to encourage repeat business.
  • Foster trust-based relationships with clients, regulatory personnel, and other project stakeholders.
  • Mentor, guide, and motivate early career staff assigned in the areas of project performance, cost, schedule management, client expectations and career development; work with employees to correct deficiencies.
  • At times, the job may also include fieldwork including client and regulator site tours and health and safety auditing.
  • Drive personal, company, and rental vehicles to client or company project or office sites, and other business locations, as needed.

  • Bachelor's degree in geology, hydrogeology, environmental sciences, civil engineering, environmental engineering, or similar. (required)
  • Advanced degree of the same. (preferred)
  • Professional registration (i.e., P.G., P.E.) (preferred)

  • At least 10 years of related experience; or equivalent combination of education and experience. (required) 
  • Experience with developing and analyzing aquifer performance tests. (required) 
  • Demonstrated interest in contaminant remediation and quantitative hydrogeology. (required)
  • Experience with visualization tools (e.g., ArcGIS, Leapfrog) and/or groundwater flow and geochemical modeling (Modflow, MT3D, geochemical equilibrium models). (preferred)
  • Experience with multi-disciplinary project teams. (required)
  • 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)
  • Serve as a Testifying Expert on litigation matters involving hydrogeologic fate and transport. (preferred)
  • Current OSHA 40-hr HAZWOPER training and refreshers. (preferred) 
  • Health & Safety training, medical monitoring, and client-driven drug and background testing may be required. 
  • Valid U.S. driverโ€™s license and a satisfactory driving record for business travel. (required)

This opportunity will be posted for at least five days. Below are the potential compensation ranges that we in good faith believe are applicable for this role at the time of this posting and are only applicable for jobs to be performed in the specified location(s) below. The typical base salary range for this position is just one component of Geosyntecโ€™s total compensation package for employees. Actual compensation will be determined based on education, experience, skill set and location.

  • Minimum Salary: $156,115/year / Maximum Salary: $218,560/year (Oakland, Walnut Creek)

We offer a comprehensive benefits package including, paid holidays, vacation, sick, and personal paid time off, medical, dental, vision, life, and disability insurance, 401(k), and other benefits to eligible employees.

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