Stantec is seeking a Principal Scientist to join our collaborative team of Environmental Scientists, Geologists, and Engineers across the US West. This is a high-impact, client-facing role supporting a dynamic and growing Environmental Services team. As a Principal Scientist, you will lead complex site characterization and exposure assessment projects with Federal and state oversight, focusing on environmental facility assessments and indoor air quality, including vapor intrusion and inhalation risk. You'll also provide technical leadership within Stantecs National Risk Assessment and Toxicology Practice, serving as a subject matter expert and trusted advisor to clients and project teams. Key Responsibilities - Support multi-disciplinary environmental projects with a focus on vapor intrusion, exposure assessment, and inhalation risk. - Serve as a senior technical advisor, providing strategic guidance on regulatory compliance and risk mitigation. - Design site assessments to determine ...Assessment, Scientist, Principal, Facility, Technical, Environmental, Manufacturing, Education