Human Health and Ecological Risk Assessor

AECOM

Human Health and/or Ecological Risk Assessor role at AECOM, focusing on risk assessments for federal and commercial clients.

Posted 5/21/2026full-timeRemote • Maryland • 🇺🇸 United StatesMid-LevelSenior💰 $75,000 - $90,000 per yearWebsite

About the role

Key responsibilities & impact

Supporting a wide range of projects for private and government clients throughout the U.S. (and internationally)
Performing human health risk assessments in accordance with regulatory guidance and project-specific work plans
Developing Risk Assessment Work Plans and contributing to Sampling and Analysis Plans/Quality Assurance Project Plans
Successfully coordinating with internal project teams, including delegating to junior staff
Preparing technical deliverables; including writing reports and performing/reviewing risk assessment calculations using R software
Maintaining knowledge of federal and state regulations/guidance documents for conducting risk assessments
Maintaining work quality, quantity, and efficiency at or above company standards

Requirements

What you’ll need

Bachelor’s degree plus four years of relevant experience or demonstrated equivalency of experience and/or education
Valid Driver's license
US Citizenship is required
Successful candidate will have to pass a background and motor vehicle records check
Master’s degree in Environmental Science/Studies, Chemistry, Toxicology, Biology, Public Health, Environmental Health or other related area (preferred)
Experience evaluating PFAS, PCBs, and lead (preferred)
Experience performing human health risk assessments in an environmental consulting setting (preferred)
Experience with environmental statistics (e.g., USEPA ProUCL) (preferred)
Experience working on Department of Defense projects (preferred)
Strong experience with running R software (preferred)
Applied knowledge of USEPA Risk Assessment Guidance for Superfund (RAGS) (preferred)
Experience conducting vapor intrusion assessments (preferred)
Excellent technical writing and communication skills (preferred)
Proficiency in Microsoft Excel and Word (preferred)

Benefits

Comp & perks

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
employee stock purchase plan

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

human health risk assessmentsRisk Assessment Work PlansSampling and Analysis PlansQuality Assurance Project Plansrisk assessment calculationsenvironmental statisticsvapor intrusion assessmentsUSEPA ProUCLUSEPA Risk Assessment Guidance for Superfundevaluating PFAS

Soft Skills

technical writingcommunicationcoordinationdelegationmaintaining work qualitymaintaining work efficiency

Certifications

Bachelor’s degreeMaster’s degree in Environmental Science/Studiesvalid Driver's license