Tetra Tech in Yellowknife, NT is seeking a Senior Lab Manager to lead the Yellowknife materials laboratory, oversee QA/QC, and mentor staff across the Northwest Territories and Nunavut. You will plan testing programs for soils and aggregates, ensure standards are met, and travel to remote project sites as needed. This role requires a Diploma in Civil Engineering Technology and 10+ years in materials testing with CCIL experience preferred.