Senior Human Health Risk Assessor

Join to apply for the Senior Human Health Risk Assessor role at WSP in the U.S.

WSP is seeking a Senior Human Health Risk Assessor with at least 10 years of experience to support our growing risk assessment and toxicology practice. We are seeking an experienced human health risk assessor to collaborate with our current team of risk assessment professionals in project planning and execution as well as public outreach and stakeholder communication. Risk assessments will be prepared to meet the requirements of the United States Environmental Protection Agency and many States’ environmental regulatory programs.

The ideal candidate would work closely with our team in the Chelmsford, Massachusetts area while also being part of the larger operations within the company. WSP offers the opportunity and flexibility to balance work in the office and from home, with three in-office days expected.

• Direct and supervise technical assignments and manage entire projects or specific elements of projects;
• Perform as lead risk assessor authoring proposals and projects;
• Extensive client and regulator interaction, particularly with scoping of risk assessments and application of the risk assessment results and conclusions in site decision‑making;
• Provide technical review for projects to comply with environmental regulations, company standards, contract requirements, and related specifications; and
• Occasional travel for projects, conferences, business development, or training.

• B.S. or M.S. in Toxicology, Biology, Public Health or related scientific discipline
• 10+ years of relevant experience in conducting, authoring, directing, and performing technical review of multi-media human health risk assessments with increasing levels of project complexity and responsibility
• Extensive hands‑on knowledge of human health risk assessment principles, procedures, and guidance particularly USEPA CERCLA
• Demonstrated successful interactions across a range of private sector and governmental clients
  • Performance and technical review of multi-media baseline human health risk assessments for common and emerging contaminants
  • Completion of projects through feasibility studies and Records of Decision (including identifying risk-based remedial goals)
• Extensive experience in scoping, managing, and conducting risk assessment components for each of the stages of the CERCLA process including:
  • Development of work plans and QAPPs (including evaluating sampling strategies and appropriateness of data for risk assessment)
• Experience with risk communication with clients and stakeholders, and at conferences and professional organizations including presenting complex technical information in a concise and accurate manner
• Experience with per- and polyfluoroalkyl substances is preferred

Our employees have the opportunity to work on diverse projects for industry and government clients with the support and resources of a large international organization with unlimited career opportunities. At the same time, our team takes pride in maintaining a close collaborative environment. We have a very comfortable and supportive culture, working with a deep bench of knowledgeable geologists, scientists, engineers, chemists, and database specialists.

We realize that our people are what make us known in the industry and recognized for delivering high quality and technical excellence. If you want to be a part of a dedicated and brilliant team, we’d love to hear from you!

WSP USA is the U.S. operating company of WSP, one of the world's leading engineering and professional services firms. Dedicated to serving local communities, we are engineers, planners, technical experts, strategic advisors and construction management professionals. WSP USA designs lasting solutions in the buildings, transportation, energy, water and environment markets. With more than 15,000 employees in over 300 offices across the U.S., we partner with our clients to help communities prosper.

WSP provides a flexible and agile workplace model while meeting client needs. Employees are also afforded a comprehensive suite of benefits including medical, dental, vision, disability,…