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Senior Hydrogeologist

Job in Oshawa, Ontario, L1E, Canada
Listing for: Tatham Engineering Limited
Full Time position
Listed on 2026-09-07
Job specializations:
  • Engineering
    Geology / Geoscience, Environmental Engineer, Environmental Compliance & Protection
  • Science
    Geology / Geoscience, Environmental Compliance & Protection
Salary/Wage Range or Industry Benchmark: 90000 CAD Yearly CAD 90000.00 YEAR
Job Description & How to Apply Below
Are you an experienced engineering professional eager to advance your career with a dedicated, community-focused, award-winning company? Tatham Engineering offers the opportunity to join a supportive team that values mentorship and provides challenging, rewarding work. Put your knowledge and experience to meaningful use in an environment where collaboration and growth are encouraged.
We are seeking to fill a new role of  Senior Hydrogeologist  to work in our Hydrogeology and Geoenvironmental group in our  Collingwood, Barrie, Guelph or Ottawa  office. This position will support our hydrogeology team that works within the aggregate, municipal and land development sectors. This role would become involved with primarily physical hydrogeological investigations to support multi-disciplinary projects in a variety of fields, including aggregate resource monitoring and compliance, construction dewatering assessments and permitting, wastewater treatment/water supply, and supporting Tatham’s municipal and land development projects in the areas we service across Ontario.

Key Responsibilities   Responsible for supervision and coordination of hydrogeological field programs including borehole drilling and monitoring well installation programs, test pitting, borehole permeability testing, pumping tests, Guelph permeameter testing, collection of surface water and groundwater samples and levels, and collection of surface water flows
Design and complete hydrogeological assessments in support of land development/municipal projects and for various approvals, including Permit To Take Water and the Environmental Activity and Sector Registry, and MECP D-5-5 / D-5-4 assessments.
Analyze groundwater, surface water and soil chemistry data
Interpret hydrogeological data to support conceptual groundwater model development
Assist with the completion of water balance and water budget analysis and assessments
Complete Reasonable Use assessment using mass balance and nutrient dilution calculations
Understand and implement environmental policies and practices and ensure compliance with environmental legislation
Collect and evaluate field measurements and record data in clear and concise field notes
Office activities may include data tabulation and presentation of field sampling results, including report tables and appendices, support for work plan preparation, interpretation of analytical results, preparation of investigation reports and other project documents
Follow company safety standards, participate in safety training, prepare and implement site safety plans
Interact with client, contractor or subcontractor representatives on project sites
Work collaboratively with members of the Water Resources and Hydrogeology Group and team members from other internal business lines and offices, as well as external sub-contractors/consultants, and clients
Work with other disciplines within Tatham Engineering including but not limited to Land Development, Water/Wastewater, Municipal and Transportation
Key

Position Requirements   Undergraduate Degree (B.Sc.) in Geoscience or Civil/Environmental Engineering with a focus on Hydrogeology, Masters Degree (M.S.c) in Hydrogeology or related discipline considered an asset
Eligible to register as a P.Geo or P.Eng.
Minimum of 10 years consulting experience in hydrogeology, geoscience or related discipline
Team-oriented, self-motivated and safety conscious
Ability to work independently in both field and office environments with strong attention to detail and organizational and problem-solving skills
Strong technical, verbal, and written communication skills (English) are required
Competency with MS Office suite of applications
Technical report and/or document writing experience an asset
Some experience with ArcGIS considered an asset
Must be willing to travel (mostly within central Ontario, but with occasional southern or remote northern Ontario projects)
Valid Class G Ontario Driver’s License and vehicle appropriate for carrying field equipment
Why Tatham?  At Tatham, our key values are reflected in everything we do. We aim to be the engineering consulting firm of choice by upholding our core values:  Service,…
Position Requirements
10+ Years work experience
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