Senior Hydrogeologist

Tatham Engineering Limited

Guelph

Hybrid

CAD 90,000 - 140,000

Full time

3 days ago
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Benefits offered by this job

Competitive compensation & benefits
Health spending account
RRSP matching & profit sharing
Flexible work arrangements
Vacation starting 3 weeks+
Professional development & mentorship
Dues reimbursement
Collaborative workplace
Team socials & events

Job summary

Tatham Engineering Limited is seeking a Senior Hydrogeologist to join the Hydrogeology and Geoenvironmental group in Ontario offices including Guelph. The role focuses on physical hydrogeological investigations for municipal, aggregate and land development projects across Ontario.

The successful candidate will have a minimum of 10 years of consulting hydrogeology experience, be eligible for P.Geo or P.Eng, and contribute to multidisciplinary projects while mentoring junior staff.

Qualifications

  • Undergraduate degree in Geoscience or Civil/Environmental Engineering with hydrogeology focus.
  • Eligible to register as a P.Geo or P.Eng.
  • Minimum of 10 years consulting experience in hydrogeology or related discipline.
  • Team-oriented, self-motivated and safety conscious.
  • Ability to work independently in field and office with attention to detail.
  • Strong technical, verbal, and written communication skills (English).
  • Competency with MS Office suite.
  • Technical report and/or document writing experience an asset.
  • ArcGIS experience an asset.
  • Willingness to travel mostly within central Ontario; occasional southern or remote northern Ontario projects.
  • Valid Class G Ontario Driver’s License and vehicle for field equipment.

Responsibilities

  • Supervise hydrogeological field programs: boreholes, monitoring wells, test pits, tests and sampling.
  • Design and complete hydrogeological assessments for land development and approvals.
  • Analyze groundwater, surface water and soil chemistry data.
  • Interpret hydrogeological data to support groundwater model development.
  • Assist with water balance and water budget analyses.
  • Complete Reasonable Use assessments using mass balance and nutrient dilution calculations.
  • Ensure compliance with environmental policies and legislation.
  • Collect and evaluate field measurements and record data in field notes.
  • Support report writing, data tabulation and project documentation.
  • Follow safety standards and participate in safety training.
  • Interact with clients, contractors and subcontractors on project sites.
  • Collaborate with Water Resources and Hydrogeology groups and other offices; coordinate with external consultants.
  • Work with other disciplines within Tatham Engineering.

Skills

Strong communication skills
MS Office
ArcGIS (asset)
Teamwork
Independent work
Safety conscious
Travel willingness
Driver's license

Education

Bachelor's degree in Geoscience or Civil/Environmental Eng (hydrogeology focus)
Eligible for P.Geo or P.Eng
Master's in Hydrogeology (asset)

Tools

ArcGIS
MS Office

Job description

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, Communication, Teamwork, Relationships & Community. Our company has experienced significant growth by putting these values into action.

We thank all candidates for applying, however only those selected for an interview will be contacted.

Tatham Engineering does not use artificial intelligence in the hiring process. All applications are reviewed by Human Resources and the appropriate hiring managers.

What We Offer
  • Competitive compensation, benefits, health spending account, RRSP matching and profit sharing
  • Flexible work arrangements and work-life balance
  • Vacation starting at 3 weeks minimum for all positions – prorated in the first year
  • Challenging and rewarding work on notable projects
  • Professional development, training, mentorship program and career progression opportunities
  • Reimbursement for annual professional dues
  • Collaborative and engaging workplace environment
  • Regular office/team socials and recreational outings, including an activity allowance for approved events
Company Information

Tatham Engineering is a Canadian employee-owned, consulting engineering firm that specializes in Coastal, Land Development, Municipal, Structural (Buildings and Bridges), Transportation, Water Resources, Water & Wastewater, Electrical and Mechanical engineering, and provides specialized services in Air & Noise, Climate Resilience and Hydrogeology. The firm was founded in Collingwood, Ontario, in 1988 and currently employs over 200 staff with branch offices in Barrie, Bracebridge, Guelph, Orillia and Ottawa.

Tatham is proud to be recognized as one of Southwestern Ontario’s Top Employers of 2026andCanada’s Top Small & Medium Employers of 2026!

Diversity, Inclusion, and Accommodations

Tatham Engineering is an equal opportunity employer that values diversity in the workplace and welcomes applications from all qualified candidates. We are committed to ensuring the selection process is inclusive, accessible, and barrier-free. If you require accommodation, please contact Human Resources at hr@tathameng.com and the request will be addressed confidentially.

Expected Hiring Range for This Position

$90,000 to $140,000

Compensation will reflect the unique skills and experience each candidate brings to the role. The posted range serves as a general guideline, and final offers may vary.

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