Environmental Risk Assessor
Posted 28 Sep 2026
Advertised as “Senior Environmental Risk Assessor”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 10–15 yrs
- Management level
- People management
- Employment
- Hybrid
No salary listed for this role.
CertificationsQualified Person for Risk Assessment (QPRA)
Field of studyBiology, Chemistry, Earth Sciences, Environmental Engineering, Environmental Sciences, Toxicology (or related)
Study levelBachelor's or higher
CertificationsP.Eng.
Your Opportunity
Stantec is seeking a Senior Risk Assessor to join our Toxicology and Health Risk Assessment team out of one of our Ontario offices (negotiable office location). Our team provides human health and ecological risk assessment services in a variety of sectors, including infrastructure, mining, energy, manufacturing, government, insurance, and commercial real estate. Our group is dedicated to managing environmental issues professionally and proactively. Our staff of professionals includes specialists in contaminant fate and transport, risk assessment, risk management, site remediation, and risk communication.
Our team members have the opportunity to be involved in a variety of projects evaluating human health and ecological concerns associated with contaminants in the environment, identifying risk management measures and providing solutions for our clients to manage their environmental risk.
In this senior role, you will act as a technical leader, project manager, mentor, and trusted advisor to clients and regulators on complex contaminated site projects across Ontario and Canada.
Stantec values work-life balance and is an equal equity employer.
Your Key Responsibilities
- Lead and manage complex human health and ecological risk assessments in accordance with Ontario Regulation 153/04
- Act as a Qualified Person for Risk Assessment (QPRA) and provide senior technical oversight and review of risk assessment submissions
- Lead the preparation of Risk Management Plans (RMPs)
- Collaborate with Stantec’s Site Investigation and Remediation team on conceptual site models, soil vapour assessments, and meeting regulatory requirements
- Manage project scope, schedules, budgets, resources, quality, and client expectations
- Provide mentorship and technical guidance to junior and intermediate risk assessment staff.
- Represent clients in discussions with regulators, including the Ministry of the Environment, Conservation and Parks (MECP), and other stakeholders
Qualifications
Your Capabilities and Credentials
- Demonstrated leadership, mentoring, and project management experience
- Strong understanding of Ontario contaminated sites regulations, risk assessment approvals, risk management plans and brownfield redevelopment
- Excellent technical writing and oral communication skills
- Highly organized and self-motivated
- Excellent problem-solving skills, and ability to work under pressure and within short timelines
- Proficient with Microsoft Office software suite (Word, Excel, Outlook, PowerPoint, etc.)