Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Company Description

Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

Job Description

AECOM is seeking a Risk Assessment Discipline Lead to join our Canada Remediation team. This leadership role is responsible for driving technical excellence, innovation, and consistency in human health and ecological risk assessment practices across projects in Canada.

You will serve as a subject matter expert, mentor junior and senior staff, and collaborate with multidisciplinary teams to deliver high-quality, defensible risk assessments that support site remediation and regulatory compliance.

Job Description

AECOM is seeking a Risk Assessment Discipline Lead to join our Canada Remediation team. This leadership role is responsible for driving technical excellence, innovation, and consistency in human health and ecological risk assessment practices across projects in Canada.

You will serve as a subject matter expert, mentor junior and senior staff, and collaborate with multidisciplinary teams to deliver high-quality, defensible risk assessments that support site remediation and regulatory compliance.

Team Leadership and Growth

• Build and mentor a high-performing team of technical staff across multiple Canada offices.

• Provide coaching, training, and leadership for junior, mid-level and senior risk assessors.

• Foster cross-functional teamwork, ensuring alignment between toxicologists, ecologists, biologists, project managers, remediation engineers, and other stakeholders.

• Drive professional development within team.

• Promote collaboration, innovation, and technical excellence across projects.

• Provide strategic proposals and budgets in support of risk assessment tasks for new work opportunities.

• Drive professional development within team.

Project Delivery & Management

• Lead full lifecycle project delivery—from preliminary screening to complete risk assessment.

• Manage budgets, schedules, resources, and client communications.

• Ensure quality and compliance with regulatory and environmental standards.

• Translate complex risk findings into clear, actionable communication for regulators, clients, and internal stakeholders.

• Execution and reporting of Human Health and Ecological Risk Assessments for a variety of client types for risk-based management of contaminated sites across Canada.

• Execution and reporting of Human Health and Ecological Risk Assessments for new Canadian projects subject to environment impact assessment legislation, and support as expert witness in the approval process.

• Work with AECOM 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.

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

Technical Expertise

• Have demonstrated knowledge and competencies in risk assessment as it relates to human health including First Nations, ecological health, air, water, groundwater, soil, soil vapour, sediment, porewater, foodchains, and contaminant fate and transport, statistics, and sampling design.

• Maintain a working knowledge of risk-based regulations both federally and for one or more of the following Atlantic Canada, Ontario, Manitoba, Saskatchewan, Alberta, BC, Nunavut or Canadian Territories and conduct presentations on regulatory changes to other technical teams on an as-needed basis.

• Apply regulatory risk assessment guidance across Canada (human health and ecological), including constructing conceptual site models and assessing exposure pathways.

• For ecological assessments, design and interpret toxicity and bioaccumulation studies, determine media-specific screening criteria, etc.

• For human health, evaluate exposure scenarios, dose-response and hazard characterization, and integrate emerging contaminants into risk assessments.

• Strong understanding of toxicological foundations of risk assessment.

 Business Development

• Engage with clients to cultivate relationships and win new work.

• Lead and support proposal development and client presentations, contributing technical insight to secure new work and expanding service lines

• Contribute to business development opportunities across Canada that would benefit from a risk-based remediation approach.

Strategic Planning & Innovation

• Develop service strategies, capitalize on market developments, and guide technical direction.

Minimum Requirements

The selected candidate will have the following qualifications, at a minimum:

• B.Sc. in Toxicology, Environmental Science, Ecology, Public Health, or related discipline; Master's or Ph.D. is preferred

• Professional designation in a Canadian province.

• 10+ years in risk assessment consulting.

• Track record of managing risk assessment from inception to completion.

Preferred Qualifications

• Proficiency in practical, minimal credible scope development.  

• Strong project and personnel management capabilities.

• Aptitude for strategic and business-focused thinking.

• Strong technical writing skills for regulatory submittals and peer-reviewed reports.

• Effective oral communication and stakeholder engagement capabilities

• Valid Driver's License.

Additional Information


 

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. Artificial intelligence will be used to support the screening, assessment, and selection of applicants for this role. Final hiring decisions are made by the hiring team.