Tatham Engineering is a Canadian, employee‑owned multidisciplinary consulting firm that delivers civil, electrical, and mechanical engineering solutions across Ontario. With more than 35 years of experience, the firm specializes in coastal, land‑development, municipal infrastructure, structural (buildings and bridges), transportation, water‑resources, water‑and‑wastewater, and advanced services such as air‑and‑noise, climate resilience, hydrogeology, and building engineering. Tatham’s reputation for reliability, enthusiasm, and professional judgment enables it to provide innovative, thorough, and cost‑effective solutions to complex projects for both public and private clients. Headquartered in Collingwood with branch offices throughout Southwestern Ontario, the company boasts a team of over 200 employees who benefit from competitive salaries, comprehensive benefits, and a culture that has earned recognition as one of Canada’s top small‑ and medium‑employer and Southwestern Ontario’s top employers of 2025.
Open Positions
Senior Hydrogeologist
10+ years of experience in hydrogeology, geoscience or related discipline, undergraduate degree in geoscience or civil/environmental engineering, eligible to register as P.Geo or P.Eng
Senior Structural Engineer, Group Leader - Buildings
10+ years of structural engineering experience, P.Eng. in Ontario, team leadership skills, business development experience, strong technical and analytical skills
Inspector - Water/Wastewater
5+ years of experience, Graduate of Engineering Technology or Technician program, and a valid Driver’s License
Senior Electrical Engineer - Buildings
10+ years of experience, P.Eng. in Ontario, knowledge of Microsoft Word and Excel, AutoCAD, Ontario Building Code and Ontario Electrical safety Code
Structural Engineer - Bridges
P.Eng. in Ontario, 5+ years of bridge engineering experience, and knowledge of CHBDC, OSIM, and Structural Manual
Inspector - Municipal/Land Development
2 years of experience, C.E.T. certification, excellent communication skills, and knowledge of contract drawings
Senior Electrical Engineer - Power
Degree in Electrical Engineering, 10+ years of experience, P.Eng. in Ontario
Structural Engineer, Project Manager - Buildings
P.Eng. in Ontario, 5+ years of experience, proficiency in design software, and excellent communication skills
Technologist - Municipal
5 years of engineering experience, relevant design experience, and strong communication skills
Senior Contract Administrator, Construction Inspector - Water/Wastewater
Bachelor's degree in Engineering Technology or Technician program, 10+ years of experience, and valid driver's license
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