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Senior Hydrogeologist Technical Leadership

Job in Markham, Ontario, I3P, Canada
Listing for: GEI Consultants, Inc
Full Time position
Listed on 2026-10-30
Job specializations:
  • Engineering
    Geology / Geoscience, Environmental Compliance & Protection, Environmental Engineer
  • Science
    Geology / Geoscience, Environmental Compliance & Protection
Salary/Wage Range or Industry Benchmark: 95000 - 135000 CAD Yearly CAD 95000.00 135000.00 YEAR
Job Description & How to Apply Below

Lead hydrogeological investigations and technical delivery with GEI across Ontario, combining groundwater expertise with multidisciplinary collaboration.

GEI seeks a senior hydrogeology professional with eight-plus years of experience and Ontario P.Eng. or P.Geo. designation. The work includes hydrogeological analysis, groundwater monitoring, impact assessment, and regulatory studies. You will also support proposals, client pursuits, and business development across Ontario.

Key Responsibilities:
  • Direct and mentor junior staff during hydrogeological field investigations
  • Lead technical reports, impact assessments, studies, and applications
  • Support water balance analysis and hydrogeological modelling
  • Coordinate multidisciplinary project delivery and technical quality
  • Maintain health and safety practices during field and office work
Requirements:
  • Bachelor’s or Master’s degree in hydrogeology, engineering, or geoscience
  • Eight-plus years of hydrogeological experience, preferably in Southern Ontario
  • Ontario P.Eng. or P.Geo. professional designation
  • Experience with groundwater monitoring, testing, modelling, and impact assessment
  • Valid driver’s license and access to a personal vehicle

Apply technical leadership, groundwater modelling, and regulatory knowledge to GEI’s Ontario hydrogeology and environmental projects.

Position Requirements
10+ Years work experience
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