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Leidos · 2 months ago

Human Health Risk Assessment Scientist

United States

Full-time

Remote

Mid, Senior Level

$85K/yr - $130K/yr

4+ years exp

Leidos is a leading company in the field of risk assessment and environmental sciences. They are seeking an experienced Human Health Risk Assessment Scientist to lead and assist in conducting human health risk assessments, author technical reports, and provide technical support in evaluating environmental sampling data.

ComputerGovernmentInformation ServicesInformation TechnologyNational SecuritySoftware

No H1B

U.S. Citizen Only

Responsibilities

Take the lead and assist in conducting human health risk assessments, including development of conceptual site models, selection of appropriate toxicity values, calculation of cancer risks and noncancer hazards, and analysis of uncertainties associated with the risk evaluations

Author risk-related sections of technical reports, including work plans/sampling plans, human health risk assessments, remedial investigation (RI) reports, feasibility studies (FS), proposed plans (PP), and records of decision (ROD)

May assist in conducting ecological risk assessments

Provide technical support in evaluating and interpreting quantitative and qualitative environmental sampling data acquired during site investigations

Willing and able to work on a variety of risk assessment- and non-risk assessment-related tasks

Willing and able to travel periodically to Leidos offices and/or project locations

Must be able to obtain access to, and conduct work on, U.S. Government installations. U.S. Citizenship or U.S. Permanent Resident status is required

Qualification

Human health risk assessmentEPA risk assessment guidanceStatistical software toolsEnvironmental statistical methodsData interpretationMS Office proficiencyCommunication skillsTeam collaborationOrganizational skills

Required

BS or MS degree in Environmental Sciences, Earth Sciences, Biological Sciences, Chemistry, Toxicology, Ecology, or related scientific field with 4+ (BS) or 2+ years (MS) of professional experience in the performance of human health risk assessments of exposures to chemicals in environmental media

Strong working knowledge of EPA human health risk assessment guidance and methods within the framework of the CERCLA RI/FS/PP/ROD process

Experience calculating human health cancer/noncancer risks and risk-based screening levels using spreadsheets and online calculators

Authors human health risk-related text including methodology, reporting, and interpretation of calculated risks

Ability to compile, manage, and interpret environmental investigation and monitoring data for organic and inorganic chemical parameters

Working knowledge of environmental statistical methods (e.g., calculation of UCLs, trend analysis) and experience with statistical software tools (e.g., EPA ProUCL, SAS, etc.)

Understanding of data validation qualifiers indicating usability

Some experience working with federal environmental regulators

Proficiency in MS Office tools (Excel, Word, Outlook, PowerPoint)

Must be able to obtain access to, and conduct work on, U.S. Government installations. U.S. Citizenship or U.S. Permanent Resident status is required

Preferred

Knowledge and experience with data and/or risk analyses of per- and polyfluoroalkyl substances (PFAS)

Experience working with radiological data, as well as human health radiological risk and dose assessments in accordance with the EPA, DOE, and NRC regulatory framework

Working knowledge of EPA ecological risk assessment guidance and professional experience in conducting ecological risk assessments

RCRA and CERCLA process documents knowledge (Corrective Action Plans/Reports; RI/FS/PP/ROD)

Professional experience working on federal contracts is preferred

Professional experience working with state regulators

Doctoral degree with professional experience conducting human health risk assessments