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 an intermediate environmental risk assessor to join our Canada Remediation team. This role supports the delivery of high‑quality human health and ecological risk assessments across remediation projects in Canada, working under the guidance of senior technical leaders and project managers.The successful candidate will contribute strong technical expertise, support junior staff, and collaborate with multidisciplinary teams to deliver defensible, regulator‑ready risk assessments that support site remediation and regulatory compliance. Technical Delivery &amp; Collaboration  <ul><li>Perform and support risk assessments from preliminary screening through detailed assessment stages.</li><li>Develop and refine conceptual site models, identify exposure pathways, and evaluate receptors.</li><li>Apply Canadian and provincial regulatory risk assessment guidance (human health and ecological).</li><li>Collaborate with toxicologists, ecologists, biologists, engineers, and project managers to support integrated project delivery.</li><li>Translate technical risk findings into clear, concise documentation for internal and external audiences.</li><li>undefined</li></ul> Project Support<ul><li>Support project managers with scope development, schedules, and budgets.</li><li>Prepare technical content for reports, figures, tables, and appendices.</li><li>Ensure work meets quality standards and regulatory requirements.</li><li>Participate in client and regulator interactions as a technical contributor.</li></ul> Mentorship &amp; Team Collaboration   <ul><li>Provide day to day technical guidance and informal mentoring to junior staff.</li><li>Contribute to a collaborative, technically strong team culture.</li><li>Support knowledge sharing and continuous improvement within the team.</li></ul> Technical Expertise<ul><li>Apply practical, fit‑for‑purpose approaches to scope and analysis.</li><li>Ecological Risk Assessment:<ul><li>Support design, evaluation, and interpretation of toxicity, bioaccumulation and ecological exposure studies.</li><li>Apply media‑specific screening criteria and weight‑of‑evidence approaches.</li><li>undefined</li><li>Human Health Risk Assessment:<ul><li>Evaluate exposure scenarios, dose‑response relationships, and hazard characterization.</li><li>Support incorporation of emerging contaminants into risk assessments.</li></ul></li></ul></li></ul>

AECOM is the world&rsquo;s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle &ndash; from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $14.4 billion in fiscal year 2023. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Environmental Risk Assessor

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 an intermediate environmental risk assessor to join our Canada Remediation team. This role supports the delivery of high‑quality human health and ecological risk assessments across remediation projects in Canada, working under the guidance of senior technical leaders and project managers.The successful candidate will contribute strong technical expertise, support junior staff, and collaborate with multidisciplinary teams to deliver defensible, regulator‑ready risk assessments that support site remediation and regulatory compliance. Technical Delivery &amp; Collaboration  <ul><li>Perform and support risk assessments from preliminary screening through detailed assessment stages.</li><li>Develop and refine conceptual site models, identify exposure pathways, and evaluate receptors.</li><li>Apply Canadian and provincial regulatory risk assessment guidance (human health and ecological).</li><li>Collaborate with toxicologists, ecologists, biologists, engineers, and project managers to support integrated project delivery.</li><li>Translate technical risk findings into clear, concise documentation for internal and external audiences.</li><li>undefined</li></ul> Project Support<ul><li>Support project managers with scope development, schedules, and budgets.</li><li>Prepare technical content for reports, figures, tables, and appendices.</li><li>Ensure work meets quality standards and regulatory requirements.</li><li>Participate in client and regulator interactions as a technical contributor.</li></ul> Mentorship &amp; Team Collaboration   <ul><li>Provide day to day technical guidance and informal mentoring to junior staff.</li><li>Contribute to a collaborative, technically strong team culture.</li><li>Support knowledge sharing and continuous improvement within the team.</li></ul> Technical Expertise<ul><li>Apply practical, fit‑for‑purpose approaches to scope and analysis.</li><li>Ecological Risk Assessment:<ul><li>Support design, evaluation, and interpretation of toxicity, bioaccumulation and ecological exposure studies.</li><li>Apply media‑specific screening criteria and weight‑of‑evidence approaches.</li><li>undefined</li><li>Human Health Risk Assessment:<ul><li>Evaluate exposure scenarios, dose‑response relationships, and hazard characterization.</li><li>Support incorporation of emerging contaminants into risk assessments.</li></ul></li></ul></li></ul>

Environmental Risk Assessor

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