Principal Scientist – Facility Assessment and Indoor Environments
Stantec
Lead vapor intrusion, exposure assessment, and indoor air quality projects for clients
6 days ago ago
Expert & Leadership (13+ years), Experienced (8-12 years)
Full Time
Houston, TX
Field
Company Size
32,000 Employees
Service Specialisms
Planning
Engineering
Architecture
Interior Design
Landscape Architecture
Surveying
Environmental Sciences
Project Management
Sector Specialisms
Industrial
Energy
Infrastructure
Buildings
Residential
Commercial
Water Resources
Heavy Civil
Role
What you would be doing
regulatory reporting
site assessment
risk modeling
mitigation design
vapor intrusion
project delivery
- 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.
- 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).
- Lead and/or participate in regulatory meetings to defend sub-slab and ambient air analytical data, risk modeling results and technical reports as necessary.
- Ensure projects are delivered on time within scope and budget and the high technical quality.
- Serve as a senior technical advisor, providing strategic guidance on regulatory compliance and risk mitigation.
- Support business development by building client relationships and identifying new project opportunities.
- Using sub-slab and ambient air data, use relevant models to evaluate excess cancer risk, hazard index and cumulative risk (etc.) 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.
- Support multi-disciplinary environmental projects with a focus on vapor intrusion, exposure assessment, and inhalation risk.
- Design vapor intrusion mitigation systems such as sub-slab depressurization or venting systems and provide technical specifications for construction retrofitting of mitigation systems.
- Mentor junior staff and contribute to though leadership within Stantec.
- 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.
What you bring
15+ years
regulatory
technical writing
vapor intrusion
air quality
client communication
- Must have a valid driver’s license (with REAL ID) and good driving record.
- 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, Oregon and the Gulf Region.
- 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.
- A medical physical and/or drug and alcohol screening may be required for some project assignments.
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Interview process
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Company
Overview
Founded in 1954
Year Established
The company was established as a one-person environmental engineering practice in 1954.
MWH Global in 2016
Acquisition Year
Completed the acquisition of MWH Global to enhance expertise in water and natural resources.
450+ Offices
Global Presence
Operates across more than 450 offices on six continents, showcasing extensive global reach.
6 Continents
Geographic Reach
Maintains a strong presence on six continents through strategic expansion.
- Began as a one-person environmental engineering practice and has grown through strategic geographic and service expansion.
- Publicly listed on the NYSE and TSX, Stantec has completed major acquisitions to bolster expertise and strengthen global infrastructure portfolio.
- Headquartered in the iconic Stantec Tower in Edmonton, the company has delivered landmark projects like the Panama Canal Expansion and high-profile community developments.
- Leverages interdisciplinary teams of designers, engineers, scientists, and project managers.
- Typical projects span urban planning, civil infrastructure, water management, environmental assessment, energy delivery, and architectural design, serving public and private sectors.
- Blends technical prowess with visionary design in bold ventures such as designing its own mixed-use tower and leading multi-nation infrastructure projects.
- We Put People First
- We Do What is Right
- We Are Better Together
- We Are Driven to Achieve
2025
Carbon Neutrality Target
The company plans to achieve carbon neutrality in its operations by the end of the fiscal year 2025.
32,000
Employees in Sustainable Projects
Over 32,000 employees are working on climate-resilient infrastructure and future-proofing cities.
- Commitment to environmental, social and governance excellence across operations and client projects
- Issued Sustainability‑Linked Loan, tying financing to ESG metrics including Bloomberg GEI and environmental targets
- Publicly reported environmental performance in annual Sustainability Report (e.g., GRI‑aligned metrics)
43% women
Female Representation in Leadership
43% of board and C‑Suite positions are held by women in 2023.
18% pay gap
Global Gender Pay Gap
The global mean unadjusted gender pay gap is 18%.
3% compa-ratio
Gender Pay Gap Improvement
North America base pay compa-ratio gender pay gap improved by 3% in 2023 compared to the prior year.
7% score improvement
Gender-Equality Index
Score improved by 7% in 2023 in the Bloomberg Gender-Equality Index, which has been achieved for the fourth consecutive year.
- Named to Bloomberg Gender-Equality Index fourth consecutive year
- Female representation: more than 50% of entry-level staff are women
- 36 Women@Stantec regional employee resource groups active globally
- First globally to link senior credit facility pricing to Bloomberg Gender-Equality Index score
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