Stantec
Principal Scientist – Facility Assessment and Indoor Environments
Stantec, Elko, Nevada, us, 89802
Overview
Principal Scientist – Facility Assessment and Indoor Environments – Stantec Grounded in safety, quality, and ethics, our experts lead their fields with dedication, a creative spirit, and a vision for growth. We draw from more than 20 technical specialties worldwide and are devoted to fostering a community of diverse talents, backgrounds, and expertise. The role focuses on environmental facility assessments and indoor air quality, including vapor intrusion and inhalation risk. Your Opportunity
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. 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 will provide technical leadership within Stantec’s 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 the potential for air/vapor intrusion and interpret data in the context of applicable federal, state or local air quality and health risk standards (e.g., EPA or ASTM guidelines). Design vapor intrusion mitigation systems such as sub-slab depressurization or venting systems and provide technical specifications for construction retrofitting of mitigation systems. Using sub-slab and ambient air data, use relevant models to evaluate excess cancer risk, hazard index and cumulative risk to potential receptors in accordance with state and federal guidelines. The successful candidate will have a strong background in multiple vectors for risk evaluation with technical expertise in vapor intrusion risk. Prepare technical reports and regulatory submittals for environmental agencies and ensure projects comply with air quality regulations (e.g., CERCLA, RCRA or State-specific programs). Communicate findings and recommendations to clients, regulators and stakeholders. Lead and/or participate in regulatory meetings to defend sub-slab and ambient air analytical data, risk modeling results and technical reports as necessary. Stay current on emerging vapor intrusion science, tools and remediation technologies, state and federal regulatory guidelines, and contribute to developing best practices or standard operating procedures for Stantec. Support business development by building client relationships and identifying new project opportunities. Ensure projects are delivered on time within scope and budget and with high technical quality. Mentor junior staff and contribute to thought leadership within Stantec. 15+ years of environmental consulting experience, including extensive work on complex site investigations and regulatory compliance. Proven experience managing projects under Federal and state regulatory frameworks, particularly in California, Texas, Washington, Michigan and Oregon. Strong technical writing skills, with demonstrated experience preparing and reviewing high-quality reports that interpret field data and analytical results. Exceptional client communication and relationship-building skills. Prior experience supporting or leading technical teams in vapor intrusion, air quality, or toxicology. Must have a valid driver’s license (with REAL ID) and good driving record. A medical physical and/or drug and alcohol screening may be required for some project assignments. Education and Experience
Bachelor’s degree (Master’s preferred) in Environmental Science, Engineering, Geology, Hydrogeology, or related field in Physical or Earth Sciences. 15+ years related experience. A strong technical background and knowledge of state and federal requirements for the collection of sub-slab and ambient air, evaluation of indoor and outdoor air risks to receptors, and mitigation risks. Typical office environment with computer use; field work may involve exposure to the elements including inclement weather. About Stantec
Stantec is a global leader in sustainable engineering, architecture, and environmental consulting. We are committed to equitable opportunities in all aspects of employment and comply with applicable pay transparency laws where required. This description may include information about benefits and other program details which are subject to change. Pay and Benefits
Locations in MN, VT, & Various CA, NY Areas - Min Salary $99,000.00 - Max Salary $148,500.00 Locations in CO, HI, IL, MD & Various CA, NJ Areas - Min Salary $108,900.00 - Max Salary $163,400.00 Locations in WA, DC & Various CA areas - Min Salary $116,800.00 - Max Salary $175,200.00 Pay Transparency: In compliance with pay transparency laws, pay ranges are provided for locations where required. The final compensation is based on education, qualifications, experience, and work location. Some roles may be bonus eligible. Benefits Summary: Regular employees have access to medical, dental, vision, 401(k), life and disability insurance, paid holidays, vacation, and sick leave in line with state/local law. Temporary/casual employees have different eligibility. Benefits for union positions may be governed by collective bargaining agreements. Primary Location: United States | WA | Bellevue Organization: 2037 EnvSvcs-US Mountain-Bellevue WA Employee Status: Regular Travel: Yes Schedule: Full time Job Posting: 08/09/2025 Req ID: 1002143 EEO Statement: Stantec is an equal employment opportunity employer and prohibits discrimination on the basis of race, color, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. Reasonable adjustments can be provided in the recruitment process upon request.
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Principal Scientist – Facility Assessment and Indoor Environments – Stantec Grounded in safety, quality, and ethics, our experts lead their fields with dedication, a creative spirit, and a vision for growth. We draw from more than 20 technical specialties worldwide and are devoted to fostering a community of diverse talents, backgrounds, and expertise. The role focuses on environmental facility assessments and indoor air quality, including vapor intrusion and inhalation risk. Your Opportunity
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. 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 will provide technical leadership within Stantec’s 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 the potential for air/vapor intrusion and interpret data in the context of applicable federal, state or local air quality and health risk standards (e.g., EPA or ASTM guidelines). Design vapor intrusion mitigation systems such as sub-slab depressurization or venting systems and provide technical specifications for construction retrofitting of mitigation systems. Using sub-slab and ambient air data, use relevant models to evaluate excess cancer risk, hazard index and cumulative risk to potential receptors in accordance with state and federal guidelines. The successful candidate will have a strong background in multiple vectors for risk evaluation with technical expertise in vapor intrusion risk. Prepare technical reports and regulatory submittals for environmental agencies and ensure projects comply with air quality regulations (e.g., CERCLA, RCRA or State-specific programs). Communicate findings and recommendations to clients, regulators and stakeholders. Lead and/or participate in regulatory meetings to defend sub-slab and ambient air analytical data, risk modeling results and technical reports as necessary. Stay current on emerging vapor intrusion science, tools and remediation technologies, state and federal regulatory guidelines, and contribute to developing best practices or standard operating procedures for Stantec. Support business development by building client relationships and identifying new project opportunities. Ensure projects are delivered on time within scope and budget and with high technical quality. Mentor junior staff and contribute to thought leadership within Stantec. 15+ years of environmental consulting experience, including extensive work on complex site investigations and regulatory compliance. Proven experience managing projects under Federal and state regulatory frameworks, particularly in California, Texas, Washington, Michigan and Oregon. Strong technical writing skills, with demonstrated experience preparing and reviewing high-quality reports that interpret field data and analytical results. Exceptional client communication and relationship-building skills. Prior experience supporting or leading technical teams in vapor intrusion, air quality, or toxicology. Must have a valid driver’s license (with REAL ID) and good driving record. A medical physical and/or drug and alcohol screening may be required for some project assignments. Education and Experience
Bachelor’s degree (Master’s preferred) in Environmental Science, Engineering, Geology, Hydrogeology, or related field in Physical or Earth Sciences. 15+ years related experience. A strong technical background and knowledge of state and federal requirements for the collection of sub-slab and ambient air, evaluation of indoor and outdoor air risks to receptors, and mitigation risks. Typical office environment with computer use; field work may involve exposure to the elements including inclement weather. About Stantec
Stantec is a global leader in sustainable engineering, architecture, and environmental consulting. We are committed to equitable opportunities in all aspects of employment and comply with applicable pay transparency laws where required. This description may include information about benefits and other program details which are subject to change. Pay and Benefits
Locations in MN, VT, & Various CA, NY Areas - Min Salary $99,000.00 - Max Salary $148,500.00 Locations in CO, HI, IL, MD & Various CA, NJ Areas - Min Salary $108,900.00 - Max Salary $163,400.00 Locations in WA, DC & Various CA areas - Min Salary $116,800.00 - Max Salary $175,200.00 Pay Transparency: In compliance with pay transparency laws, pay ranges are provided for locations where required. The final compensation is based on education, qualifications, experience, and work location. Some roles may be bonus eligible. Benefits Summary: Regular employees have access to medical, dental, vision, 401(k), life and disability insurance, paid holidays, vacation, and sick leave in line with state/local law. Temporary/casual employees have different eligibility. Benefits for union positions may be governed by collective bargaining agreements. Primary Location: United States | WA | Bellevue Organization: 2037 EnvSvcs-US Mountain-Bellevue WA Employee Status: Regular Travel: Yes Schedule: Full time Job Posting: 08/09/2025 Req ID: 1002143 EEO Statement: Stantec is an equal employment opportunity employer and prohibits discrimination on the basis of race, color, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. Reasonable adjustments can be provided in the recruitment process upon request.
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