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f a company that is <a href="" target="_blank">pioneering the future</a>. Our teams around t
ture that champions <a href="" target="_blank">inclusion, diversity</a> and overall <a href="" target="_blank">employee well-being</a> through programs su
any leadership. Our <a href="" target="_blank">core values</a> define who we are,
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Job Information

AECOM Risk Assessor in Thornhill, Ontario

Canada - Ontario, Thornhill

Job Summary

AECOM is seeking an experienced Risk Assessor to conduct Risk Assessments to support Records of Site Condition, under Ontario Regulation 153/04 and other Human Health and Ecological Risk Assessment work. The selected candidate will be working closely with experienced peers from a remote or telecommute location and will be integrated as a key member of AECOM’s Canadian Risk Assessment Team. There will be opportunities to support risk-based contaminated site remediation projects in Ontario (priority) and other provinces, and to support provincial/federal environmental impact assessments. In addition, the successful candidate may also integrate with the AECOM’s North American Technical Practice Group for Risk Assessment to further develop their skill sets and to learn from the experiences of other technical professionals.

The selected candidate will be expected to have the following roles and responsibilities:

  • Execution of Human Health and Ecological Risk Assessments for a variety of purposes and client types, including risk assessment feasibility studies.

  • Complete both Human Health and Ecological Conceptual Site Models in accordance with Ontario Regulation 153/04.

  • Complete Risk Assessment filing process with the MECP, including pre-submission form development, reviewing and responding to comments and finalizing Certificate's of Property Use.

  • Work with project managers and Canadian Risk Assessment Team to develop site-specific risk management strategies that will include the development of both technical approach and estimating costs.

  • Preparation of technical reports; such as Tier III Risk Assessments, Due Diligence Risk Assessments, etc.

  • Regularly communicate with regulators, clients and other AECOM technical staff/project managers.

  • Maintain a working knowledge of all applicable regulations in Ontario and conduct presentations on regulatory changes to other technical teams on an as-needed basis.

  • Occasional business travel within Ontario for project work.


At AECOM, we believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive.

We take on the most complex challenges and pioneer innovative, iconic solutions that push the limits of what’s possible – the world’s longest cable-stayed bridge, record-breaking sports events, the largest greenfield port development mega project, life-sustaining and disaster recovery programs, and the tallest tower in the Western Hemisphere.

On projects spanning transportation, buildings, water, governments, energy and the environment, we deliver professional services throughout the project lifecycle.

We are proud to be recognized for excellence:

  • Fortune’s World’s Most Admired Companies – 2014-2020

  • #1 in Transportation and General Building in Engineering-News Record's 2019 “Top 500 Design Firms” and #1 2019 “Top 200 Environmental Firms”

  • VIQTORY 2020 Military Friendly® Gold Employer

  • Perfect score on the Human Rights Campaign Foundation's Corporate Equality Index for 2017-2019


With world class technical expertise, leading edge technology and innovative project delivery capability around the world, AECOM’s global environmental practice helps industry and government meet their business goals – to achieve compliance, reduce or eliminate risks and manage impacts. We provide advisory and technical services to help clients cleanup and close contaminated sites and surplus operational facilities and restore them for reuse, plan and permit new facilities, address critical climate change issues, restore habitats and water quality, protect natural and cultural resources, maintain compliance, and cost effectively manage residuals and wastes.

Minimum Requirements

  • B.Sc. or B.ASc. in environmental science, environmental engineering, geology or equivalent.

  • 6 years' work experience with Risk Assessment in Ontario or demonstrated equivalency of experience and/or education.

  • Working knowledge of the Risk Assessment filing process with the MECP and applicable regulations.

  • Valid Driver's License

Preferred Qualifications

  • Masters or PhD degree in applicable scientific field

  • Qualified Person, Risk Assessment (QPRA), as per Ontario Regulation 153/04.

Additional information:

  • Sponsorship is not available in this opportunity

  • Relocation is not available in this opportunity

What We Offer

When you join AECOM, you become part of a company that is pioneering the future. Our teams around the world are involved in some of the most cutting-edge and innovative projects and programs of our time, addressing the big challenges of today and shaping the built environment for generations to come. We ensure a workplace that encourages growth, flexibility and creativity, as well as a company culture that champions inclusion, diversity and overall employee well-being through programs supported by company leadership. Our core values define who we are, how we act and what we aspire to, which comes down to not only delivering a better world, but working to “make amazing happen” in each neighborhood, community and city we touch. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

Job Category Sciences

Business Line Environment

Business Group Design and Consulting Services Group (DCS)

Country Canada

Position Status Full-Time

Requisition/Vacancy No. 245100BR

Additional Locations CA - Barrie, ON - 55 Cedar Point Drive, CA - Guelph, ON - 55 Wyndham St N, CA - Hamilton, ON - 45 Goderich Rd, CA - Kitchener, ON - 50 Sportsworld Crossing Rd, CA - London, ON - 250 York St, CA - Mississauga, ON - 5090 Commerce Blvd, CA - Ottawa, ON - 1150 Morrison Dr

Virtual: Yes

Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.