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Modflow Groundwater Modeling Jobs in Colorado (NOW HIRING)

Arcadis

Project Hydrogeologist

Highlands Ranch, CO · Hybrid

Proficiency using hydrogeologic modeling software (e.g., AQTESOLV, MODFLOW, Groundwater Vistas, HEC Software) Why Arcadis? We can only achieve our goals when everyone is empowered to be their best.

Arcadis

Project Hydrogeologist

Highlands Ranch, CO · On-site

Proficiency using hydrogeologic modeling software (e.g., AQTESOLV, MODFLOW, Groundwater Vistas, HEC Software) Why Arcadis? We can only achieve our goals when everyone is empowered to be their best.

ITASCA North America

Principal Hydrogeologist

Denver, CO · 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 ...

ITASCA North America

Senior Hydrogeologist

Denver, CO · On-site +1

$105K - $130K/yr

... geochemistry, groundwater/surface water interaction, water supply, or remediation. * Experience with MODFLOW, FEFLOW, MINEDW, MT3D, or other transport modeling tools, GIS, or data analysis.

Stantec

Senior Hydrogeologist

Denver, CO · On-site

$93K - $140K/yr

... groundwater containment/mitigation. * Work with clients to deliver safe, responsible, and ... Expertise in saturated flow modeling using MODFLOW and/or FEFLOW. * Strong expertise in ...

Stantec

Senior Hydrogeologist

Denver, CO · On-site

$93K - $140K/yr

... groundwater containment/mitigation. * Work with clients to deliver safe, responsible, and ... Expertise in saturated flow modeling using MODFLOW and/or FEFLOW. * Strong expertise in ...

Moore Engineering, Inc.

Water Rights Engineer

Denver, CO · On-site

$78K - $107K/yr

Estimate in-priority water for surface or groundwater diversions, stream basin hydrologic analyses ... MODFLOW modeling preferred The job is primarily in the office with occasional work out in the field ...

All JobsModflow Groundwater Modeling JobsModflow Groundwater Modeling Jobs in Colorado

Modflow Groundwater Modeling information

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.
What are popular job titles related to Modflow Groundwater Modeling jobs in Colorado? For Modflow Groundwater Modeling jobs in Colorado, the most frequently searched job titles are:
What job categories do people searching Modflow Groundwater Modeling jobs in Colorado look for? The top searched job categories for Modflow Groundwater Modeling jobs in Colorado are:
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Modflow Groundwater Modeling jobs near you
Senior Hydrogeologist/Groundwater Modeler

Senior Hydrogeologist/Groundwater Modeler

Itasca Consulting Group, Inc.

Denver, CO • On-site, Remote

$105K - $130K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 27 days ago

Job description

Senior Hydrogeologist/Groundwater Modeler
ITASCA North America | U.S.-based
About the role
ITASCA North America is seeking a Senior Hydrogeologist/Groundwater Modeler to support challenging groundwater, mine water, and environmental projects across the U.S. and North America.
This role is suited for a technically strong professional with experience in groundwater flow modeling, hydrogeologic interpretation, and practical consulting. The successful candidate will serve as a modeling expert, technical reviewer, mentor, and project contributor within ITASCA's hydrogeology practice.
Mining experience is strongly valued, particularly in mine dewatering, depressurization, pit inflow, pore-pressure estimation, water balance, closure, groundwater recovery, and hydrogeologic support for mine planning and operations.
Why this role matters
Groundwater models are most valuable when they help clients make better decisions. At ITASCA North America, modeling is not treated as a stand-alone exercise; it is used to understand complex hydrogeologic systems, test assumptions, evaluate uncertainty, and support practical decisions about water, risk, operations, permitting, and closure.
As a Senior Hydrogeologist/Groundwater Modeler, you will help translate field data, conceptual models, numerical simulations, and project constraints into clear technical insight. Your work may support mine water management, dewatering and depressurization strategies, groundwater impact assessment, contaminant transport evaluation, closure planning, and long-term water management.
You will also help advance ITASCA's modeling capabilities by mentoring staff, reviewing technical work, improving modeling practices, and contributing to the continued development and application of ITASCA's groundwater modeling tools.
What you'll do
  • Develop, calibrate, apply, and review numerical groundwater flow models for mining, environmental, and water-resource projects.
  • Support modeling related to mine dewatering, depressurization, pit and underground working inflows, groundwater recovery, contaminant transport, seepage, closure, and water management.
  • Develop and interpret conceptual hydrogeologic models using geology, field data, monitoring records, hydraulic testing, groundwater chemistry, and project constraints.
  • Evaluate model assumptions, calibration, uncertainty, sensitivity, limitations, and implications for client decisions.
  • Prepare technical reports, model documentation, presentations, proposals, scopes of work, budgets, and work plans.
  • Serve as a technical reviewer and internal resource for groundwater modeling quality.
  • Mentor junior and intermediate staff in modeling methods, hydrogeologic interpretation, and technical communication.
  • Work independently on complex assignments and manage modeling tasks or projects.
  • Collaborate with hydrogeologists, geomechanics engineers, engineering geologists, geochemists, data scientists, and software developers.
  • Support continued improvement of ITASCA's modeling skills, workflows, training materials, and technical capabilities.
  • As appropriate, work with the MINEDW product manager and in-house software staff to support groundwater model code development, feature improvements, user training materials, and marketing content.

What you bring
Required
  • Advanced degree in hydrogeology, geochemistry, environmental engineering, or a related field.
  • Approximately 10-20 years of relevant professional experience.
  • Proven record of technical excellence in groundwater flow modeling.
  • Strong experience developing, calibrating, applying, and interpreting numerical groundwater models.
  • Experience with conceptual hydrogeologic models, hydrogeologic data interpretation, and model documentation.
  • Ability to critically evaluate model assumptions, calibration, uncertainty, sensitivity, and limitations.
  • Experience working independently on complex technical assignments.
  • Ability to supervise, manage, mentor, and review the work of others.
  • Strong technical writing, verbal communication, and presentation skills.
  • Ability to support proposals, work programs, and client communication.

Strongly valued
  • Experience with MINEDW, MODFLOW, FEFLOW, HydroGeoSphere, MIKE SHE, Groundwater Vistas, MT3D/transport modeling tools, PEST, or related modeling platforms.
  • Mining industry experience, particularly mine dewatering, depressurization, pit inflow, pore-pressure estimation, water balance, closure, groundwater recovery, or operational hydrogeology.
  • Experience with finite-element and/or finite-difference groundwater modeling approaches.
  • Experience with contaminant transport modeling, parameter estimation, uncertainty analysis, sensitivity analysis, or stochastic modeling.
  • Programming or scripting experience using Python, R, VBA, or similar tools.
  • Experience with GIS, 3-D visualization, large datasets, database tools, or model pre/post-processing workflows.
  • Experience with field investigation design, aquifer testing, hydraulic testing, groundwater monitoring, or data collection programs.
  • Experience developing modeling workflows, training materials, software documentation, or user-facing technical materials.
  • Professional registration by a recognized organization, or ability to obtain registration where required.

Why ITASCA
For more than 45 years, ITASCA has helped clients solve complex geomechanics, hydrogeology, and engineering geology challenges through technical depth, practical judgment, and innovation.
At ITASCA, you will work on challenging projects where standard approaches are often not enough. Our work combines field experience, scientific and engineering interpretation, advanced analysis, and state-of-the-art ITASCA software to help clients make better decisions.
We are a collaborative, collegial, employee-owned company where technical excellence, curiosity, mentorship, mutual respect, and shared success matter. This is a place for senior modelers who want to stay deeply technical while helping shape the tools, methods, and people behind ITASCA's hydrogeology practice.
Location and travel
This is a full-time position based in the United States. Preferred locations are Denver/Lakewood, Colorado, or Minneapolis, Minnesota, but other U.S. locations, including hybrid/remote work options, may be considered for the right candidate.
Travel may be required for client meetings, site visits, field programs, conferences, and internal collaboration.
ITASCA may provide employment-based visa sponsorship (e.g. H1-B, L-1, TN, etc.) for this role, subject to business needs, candidate qualifications, and immigration regulations.
Compensation and benefits
We value your contributions and offer a comprehensive benefits package, including:
  • Competitive salary commensurate with experience
  • Performance bonuses, including cash and company stock
  • Health, dental, and vision benefits for you and your family
  • Generous paid time off from day one
  • Paid holidays
  • 401(k) with company match
  • Paid parental leave
  • Company-paid short-term disability, long-term disability, and life insurance

The anticipated salary range is $105,000-$130,000. Final compensation will depend on experience and qualifications.
Take the next step in your career and become a valued member of our employee-owned company. Join us at ITASCA, where innovation meets excellence!
ITASCA is an equal opportunity employer, a drug-free workplace, and complies with ADA regulations as applicable.

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