Hydrogeologist/Geoenvironmental Project Manager

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.

We are seeking a Hydrogeologist and/or Geoenvironmental Project Manager to work in our Hydrogeology and Geoenvironmental group in either our Guelph, Ottawa, Collingwood or Barrie office. This position is responsible for hydrogeological and/or geoenvironmental investigations to support multi-disciplinary projects in a variety of fields, including aggregate resource monitoring and compliance, construction dewatering assessments and permitting, brownfield redevelopment, private septic system and water well feasibility studies, and supporting Tatham’s municipal and land development projects. This role serves as Project Manager and provides support for multiple projects and will assist with mentoring junior staff, business development, and preparing proposals.

Key Responsibilities

• Responsible for supervision and coordination of 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.
• Design and complete geoenvironmental assessments including Phase One/Two Environmental Site Assessments, remediation programs, and Record of Site Conditions.
• Design and complete excess soil assessments including Assessment of Past Use, Sampling and Analysis Plan, Soil Characterization Reports, Excess Soil Destination Assessment Report, and Soil Tracking.
• 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
• Assist to mentor and develop junior staff
• Identify project opportunities in existing and new project areas
• Prepare work plans and proposals to acquire work

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 puttiWhat We Offer

• Competitive compensation, benefits, health spending account, RRSP matching and profit sharing
• Flexible work arrangements and work-life balance
• Paid volunteer opportunities
• 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
• Shareholder opportunities

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 2026 and Canada’s Top Small & Medium Employers of 2026!

• 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 5 years of consulting experience in hydrogeology, geoenvironmental, 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

https://jobs.dayforcehcm.com/en-US/tathameng/CANDIDATEPORTAL/jobs/1135

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.

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 [email protected] and the request will be addressed confidentially.