Senior Geochemist/Water Quality Specialist

The Opportunity:

Tetra Tech is adding an Senior Geochemist/Water Quality Specialist to join our Arctic Engineering team based in Western Canada (BC & AB).
 

Why Tetra Tech:

At Tetra Tech, we are Leading with Science™ to solve the world’s most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 500 million lives around the world.
 

Your Impact:

Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential – join us to advance your career while leaving a lasting legacy.
 

The salary range for this position is $100,000 to $175,000 per annum. Please note that Tetra Tech considers various factors in determining pay, including but not limited to: education, relevant and demonstrated work experience in the role, skills, geographic location, qualifications, certifications, and other competencies relevant to the needs of the business.
 

Your Role:

• Managing and directing all project phases from project definition to proposal writing, data collection and fieldwork, laboratory management, data analysis, and reporting.
• Conducting geochemical and hydrogeochemical fieldwork, data management, QA/QC, data manipulation and geochemical modelling using speciation and mass transport codes.
• Utilize predictive geochemical modelling software such as Phreeq/C and Geochemists Workbench to predict mine facility contact water quality.
• Communicate complex geochemical information and interpretations to non-technical specialists either through reporting or presentations.
• Mentoring and training junior scientific staff and technicians.
• Conduct activities in line with internal procedures, legislation, and industry standards.
• Pursue continuous professional development and maintain a high degree of discipline knowledge and awareness.
• Work in a safe manner at all times and report all health and safety incidents and concerns.
• Additional duties as required.
   

Qualifications:

• Minimum of 10–15 years of relevant experience in geochemistry, water quality, acid rock drainage and metal leaching (ARD/ML) assessments, and predictive modelling; mining experience in cold regions is preferred.
• Degree in mining, geoscience, geochemistry, engineering, or a related discipline from an accredited university.  
• Experience with aqueous geochemistry, mass balance, water quality modelling, and integration of geochemistry with site-wide water balances and engineering design.
• Proficiency with modelling tools such as PHREEQC, Geochemist’s Workbench, GoldSIM, or similar software.
• Strong knowledge of Canadian and provincial water quality regulations, licensing, and permitting requirements, particularly in a mining context.
• Familiarity with surface and underground mining operations, waste rock, tailings storage facilities, hydrogeology, and hydrology.
• Ability to prepare clear, defensible technical reports and communicate effectively with regulators, clients, and communities.
• Strong commitment to health, safety, environmental responsibility, and professional ethics.
• Leadership or mentoring experience with junior staff is an asset.
• Consulting experience is preferred.
• Professional registration as a P.Eng. or P.Geo. with a Canadian regulatory body.

Salary : $100,000 - $175,000