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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.
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.
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.
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!
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.
$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.