Senior Hydrogeologist/Groundwater Modeler at ITASCA North America | CA | Rezi

Senior Hydrogeologist/Groundwater Modeler at ITASCA North America

Senior Hydrogeologist/Groundwater Modeler

ITASCA North America · CA

2 weeks ago

Senior Hydrogeologist/Groundwater Modeler

ITASCA North America · CA

19 days ago
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About the Role

ITASCA North America is seeking a Senior Hydrogeologist/Groundwater Modeler to support challenging groundwater, mine water, and environmental projects. This role involves serving as a modeling expert, technical reviewer, and mentor within the hydrogeology practice, with a strong emphasis on mining-related experience.

Responsibilities

  • 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.
  • 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.

Requirements

  • 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.
  • 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.

Skills

  • Groundwater flow modeling
  • Hydrogeologic interpretation
  • Mine water management
  • Dewatering strategies
  • Depressurization strategies
  • Groundwater impact assessment
  • Contaminant transport evaluation
  • Closure planning
  • Long-term water management
  • Technical insight
  • Mentoring
  • Technical review
  • Modeling practices
  • Groundwater modeling tools
  • MINEDW
  • MODFLOW
  • FEFLOW
  • HydroGeoSphere
  • MIKE SHE
  • Groundwater Vistas
  • MT3D/transport modeling
  • PEST
  • Finite-element modeling
  • Finite-difference modeling
  • Contaminant transport modeling
  • Parameter estimation
  • Uncertainty analysis
  • Sensitivity analysis
  • Stochastic modeling
  • Python
  • R
  • VBA
  • GIS
  • 3-D visualization
  • Large datasets
  • Database tools
  • Model pre/post-processing
  • Field investigation design
  • Aquifer testing
  • Hydraulic testing
  • Groundwater monitoring
  • Data collection
  • Modeling workflows
  • Training materials development
  • Software documentation
  • Technical writing
  • Verbal communication
  • Presentation skills

Location

  • Canada
  • Toronto
  • Vancouver
  • Sudbury
  • Hybrid
  • Remote

Work Type

  • Full-time
  • Hybrid
  • Remote

Experience Level

  • Senior
  • 10-20 years

Education Level

  • Advanced degree in hydrogeology, geochemistry, environmental engineering, or a related field

Salary/Compensations

  • $145,000-$180,000 CAD

Benefits

  • Competitive salary
  • Performance bonuses
  • Company stock
  • Health benefits
  • Dental benefits
  • Vision benefits
  • Generous paid time off
  • Paid holidays
  • Company-paid short-term disability
  • Company-paid long-term disability
  • Company-paid life insurance

About the Company

  • For more than 45 years, ITASCA has helped clients solve complex geomechanics, hydrogeology, and engineering geology challenges through technical depth, practical judgment, and innovation.
  • Work on challenging projects where standard approaches are often not enough.
  • Combines field experience, scientific and engineering interpretation, advanced analysis, and state-of-the-art ITASCA software.
  • A collaborative, collegial, employee-owned company where technical excellence, curiosity, mentorship, mutual respect, and shared success matter.
  • A place for senior modelers who want to stay deeply technical while helping shape the tools, methods, and people behind ITASCA’s hydrogeology practice.

Equal Opportunity

  • ITASCA is an equal opportunity employer, a drug-free workplace, and complies with accessibility regulations as applicable.