Toxicologist/Risk Assessor

National-Experienced-Workforce-Solutions; Denver (CO); On-site; USD 47,000 - 57,000; Part time

Job summary

National Experienced Workforce Solutions (NEW Solutions) seeks a Toxicologist/Risk Assessor to support the National Park Service in Denver on ecological risk assessments and CERCLA-related tasks.

The temporary 800-hour role pays $65 per hour with a 16-hour work week, under the Experienced Services Program. Office-based position requiring a background in toxicology and regulatory knowledge.

Qualifications

• Requires MA/MS in Biological sciences or toxicology with 15+ years in ecological risk assessments and related tasks.
• Experience with statistics, sampling design, regulatory frameworks, and EPA risk guidance.
• Proficiency with Windows/Office tools including SharePoint and Acrobat.

Responsibilities

• Review contractor risk assessment documents for completeness and correctness.
• Provide additional technical support and related services as needed.
• Communicate with EMP Lead and CS Project Managers on availability and progress.

Skills

Statistics knowledge

Regulatory knowledge (CERCLA/RCRA/NRDA

Water quality & soil contamination

EPA risk assessment guidance

Education

MA/MS Degree in Biological sciences or toxicology

Tools

Windows

MS Word

MS Excel

MS PowerPoint

MS Teams

MS Outlook

MS SharePoint

Adobe Acrobat

Job description

Toxicologist/Risk Assessor

ID: NPSPPFL-001-029 Location: Denver Program: NPS Wage/Hr: $65.00 Hours/Week: 16 Minimum Age: 55

For over 25 years, National Experienced Workforce Solutions (NEW Solutions) has specialized in connecting experienced workers (ages 55+) with full‑time and part‑time job opportunities that support the critical missions of Federal Agencies across the United States.

NEW Solutions connects experienced workers (ages 55+) with the National Park Service (NPS). These experienced professionals provide administrative expertise, facilities management, natural and cultural resource planning, and a broad array of other professional skills that support the National Park Service through the Experienced Services Program (ESP).

Positions listed here do not guarantee employment for any definite period. Enrollment in the Experienced Worker Programs administered by NEW Solutions is temporary. The enrollment relationship between NEW Solutions and the Enrollee is an ?at-will? relationship. This means that an Enrollee is free to terminate enrollment at any time during the enrollment period, and NEW Solutions and the Agency have the right to terminate the relationship with the Enrollee.

PLEASE NOTE: An ?Enrollee? is not a federal employee, nor an employee of NEW Solutions. An ?Enrollee? is a participant in a grant program established through a Cooperative Agreement funded by the agency and administered by NEW Solutions.

This opportunity applies to applicants legally eligible to work in the United States.

The duration for this position is 800 hours.

The Environmental Management Program (EMP) leads National Park Service (NPS) efforts to clean up and restore contaminated Agency lands; provides resources and tools to facilitate park compliance with environmental laws and regulations; and improves the Agency?s overall environmental performance through increased sustainability and reduced risks.

Qualifications

MA/MS Degree in Biological sciences or toxicology with minimum additional experience of 15 year(s) in developing ecological risk assessments DQOs, developing sampling design for ecological risk assessment data needs, developing site‑specific exposure parameters for local ecological receptors, developing Preliminary Remedial/Removal Goals, conducting ecological risk assessments, conducting ecological risk characterizations, and identifying uncertainties, including the applicability of toxicology studies.

• Working knowledge of statistics, including development of statistically‑based sampling designs, use of Incremental Sampling Methodology (ITRC 2020 or latest) and associated statistics and decision mechanisms. Working knowledge of federal and state regulatory frameworks (e.g., CERCLA, RCRA, NRDA). Experience with water quality issues and soil/sediment contamination. Working knowledge of current EPA ecological risk assessment guidance and databases.
• Experience required with Windows, MS Word, MS Excel, MS PowerPoint, MS Teams, MS Outlook, MS SharePoint, Adobe Acrobat

Duties

The enrollee will assist the NPS EMP in fulfilling its responsibilities under the Comprehensive Environmental Response, Conservation, and Liability Act (CERCLA; 42 U.S.C. 9601 et seq.) by determining if releases of hazardous substances to the environment that exist within an NPS unit may pose a risk to either human health or the environment through the performance of risk assessments. Calculate the cleanup level for contaminants of concern that is protective of human health and ecological receptors relative to their naturally occurring levels.

• Review and provide comments on contractor‑generated risk assessment documents such as SI/EECA/RI SAPs, SI/EECA/FS Reports, etc. for completeness and correctness.80%
• Additional technical support, assessments, collaboration, or other related services as needed.15%
• Communicate regularly with the EMP Lead and CS Project Managers and keep them informed of availability, work assignments, and any significant developments or challenges.5%

Other

• Required Certifications: Diplomate of the American Board of Toxicology
• Physical requirements: Work anticipated to be entirely office‑based. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this position.

NEW Solutions is committed to promoting equal opportunity and to an environment free from discrimination and harassment in any form administering Experienced Worker Programs under cooperative agreements with federal agencies. It is NEW Solutions' policy to comply with all applicable laws that provide equal opportunity and to prohibit unlawful discrimination in enrolling participants in the federal programs.