... risk assessment and RI Evaluate potential hazards to wildlife using ecological food chain modeling Work cooperatively with risk assessors and other staff in a team environment Preferred ...
... risk assessment and RI Evaluate potential hazards to wildlife using ecological food chain modeling Work cooperatively with risk assessors and other staff in a team environment Preferred ...
Risk Assessor
Woodcliff Lake, NJ · On-site
... assessment and RI • Evaluate potential hazards to wildlife using ecological food chain modeling • Work cooperatively with risk assessors and other staff in a team environment Preferred ...
Risk Assessor
Woodcliff Lake, NJ · On-site
... assessment and RI • Evaluate potential hazards to wildlife using ecological food chain modeling • Work cooperatively with risk assessors and other staff in a team environment Preferred ...
Managing Technical Consultant, Ecologist
Ewing, NJ · On-site
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Managing Technical Consultant, Ecologist
Ewing, NJ · On-site
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Managing Technical Consultant, Ecologist
Ewing, NJ · On-site
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Managing Technical Consultant, Ecologist
Ewing, NJ · On-site
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Managing Technical Consultant, Ecologist
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Managing Technical Consultant, Ecologist
$90K - $124K/yr
Support ecological risk assessments through data interpretation and collaboration with risk assessors. * Manage land use and wetlands permitting efforts under NJDEP programs. * Maintain strong client ...
Senior Scientist
Pittsburgh, PA · On-site
$88K - $121K/yr
As a Senior Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
Senior Scientist
Pittsburgh, PA · On-site
$88K - $121K/yr
As a Senior Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
Principal PFAS Toxicologist
Houston, TX · On-site +1
Lead and manage complex human health and ecological risk assessments for PFAS in soil, water, air, sediment, food, and consumer products. Follow the emerging science and regulation of PFAS in ...
Principal PFAS Toxicologist
Houston, TX · On-site +1
Lead and manage complex human health and ecological risk assessments for PFAS in soil, water, air, sediment, food, and consumer products. Follow the emerging science and regulation of PFAS in ...
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
Principal PFAS Toxicologist
Houston, TX · On-site +1
Lead and manage complex human health and ecological risk assessments for PFAS in soil, water, air, sediment, food, and consumer products. Follow the emerging science and regulation of PFAS in ...
Principal PFAS Toxicologist
Houston, TX · On-site +1
Lead and manage complex human health and ecological risk assessments for PFAS in soil, water, air, sediment, food, and consumer products. Follow the emerging science and regulation of PFAS in ...
Project Scientist
Pittsburgh, PA · On-site
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
Project Scientist
Pittsburgh, PA · On-site
As a Project Scientist, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and ...
... Risk Assessment (SRA) service line, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality ...
... Risk Assessment (SRA) service line, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality ...
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
... and ecological risk assessments; hazard evaluations * field inspections; developing Data Quality Objectives (DQOs); chemical QA/QC; conducting surface/subsurface soil, sediment, and rock sampling ...
... and ecological risk assessments; hazard evaluations * field inspections; developing Data Quality Objectives (DQOs); chemical QA/QC; conducting surface/subsurface soil, sediment, and rock sampling ...
Senior Epidemiologist
Charlottesville, VA · On-site
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
Senior Epidemiologist
Charlottesville, VA · On-site
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
... health risk assessors) and should enjoy fast paced and technically challenging work. Strong ... ecological risk sciences, product stewardship, and life sciences. Gradient's scientists have a ...
Senior Environmental Scientist / Geologist / Hydrogeologist / Engineer (Testifying Expert Witness)
$85K - $114K/yr
In this position, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and strategic ...
Senior Environmental Scientist / Geologist / Hydrogeologist / Engineer (Testifying Expert Witness)
$85K - $114K/yr
In this position, you will be joining a high-performance team of risk assessors, toxicologists, ecologists, scientists, and engineers that is focused on providing high-quality technical and strategic ...
Projects include environmental assessments, hydrogeological studies, subsurface investigations, human health/ecological risk assessments, remedial designs/remedial actions, and remediation system ...
Projects include environmental assessments, hydrogeological studies, subsurface investigations, human health/ecological risk assessments, remedial designs/remedial actions, and remediation system ...
Projects include environmental assessments, hydrogeological studies, subsurface investigations, human health/ecological risk assessments, remedial designs/remedial actions, and remediation system ...
Projects include environmental assessments, hydrogeological studies, subsurface investigations, human health/ecological risk assessments, remedial designs/remedial actions, and remediation system ...
Project Manager
Sacramento, CA · On-site
$6.4K - $12K/mo
Knowledge and experience with site assessment and cleanup (i.e., Phase I, Preliminary Endangerment Assessment, Site Characterization, Human Health and Ecological Risk Assessment, Remedy Selection ...
Project Manager
Sacramento, CA · On-site
$6.4K - $12K/mo
Knowledge and experience with site assessment and cleanup (i.e., Phase I, Preliminary Endangerment Assessment, Site Characterization, Human Health and Ecological Risk Assessment, Remedy Selection ...
Contractual Ecological Risk Assessment information
See salary details
$23.10 is the 25th percentile. Wages below this are outliers.
$19.95 - $24.28
34% of jobs
The median wage is $26.98 / hr.
$24.28 - $28.61
25% of jobs
$28.61 - $32.93
0% of jobs
$32.93 - $37.26
0% of jobs
$37.26 - $41.59
6% of jobs
$41.59 - $45.91
2% of jobs
$45.91 - $50.24
5% of jobs
$51.68 is the 75th percentile. Wages above this are outliers.
$50.24 - $54.57
6% of jobs
$54.57 - $58.89
8% of jobs
$58.89 - $63.22
10% of jobs
$63.22 - $67.55
2% of jobs
$19
$38
$67
How much do contractual ecological risk assessment jobs pay per hour?
As of Jun 21, 2026, the average hourly pay for contractual ecological risk assessment in the United States is $38.68, according to ZipRecruiter salary data. Most workers in this role earn between $23.80 and $54.33 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Ecological Risk Assessment jobs? The most popular types of Ecological Risk Assessment jobs are:
HDR rating
9.1
Based on 55 frontline employees who took The Breakroom Quiz
20th of 355 rated engineering
Job description
About Us
At HDR, we specialize in engineering, architecture, environmental and construction services. While we are most well-known for adding beauty and structure to communities through high-performance buildings and smart infrastructure, we provide much more than that. We create an unshakable foundation for progress because our multidisciplinary teams also include scientists, economists, builders, analysts and artists. That's why we believe diversity is our greatest strength. HDR is proud to be an equal opportunity workplace and an affirmative action employer.
Watch our 'About Us' video
We believe that the way we work can add meaning and value to the world. That ideas inspire positive change. That coloring outside the lines can illuminate fresh perspectives. And that small details yield important realizations. Above all, we believe that collaboration is the best way forward.
Responsibilities:
The primary duties of the Risk Assessor focus on project work that involves performing site-specific risk assessment and Remedial Investigations (RI) for Superfund and other environmental regulatory programs. Successful candidates will have experience in risk assessment, hazardous waste site investigation, RI report writing, the use of Excel spreadsheets and risk-related models.
Responsibilities to include some or all of the following, depending on candidate's experience:
Preparing site-specific risk assessments
Preparing RI reports and other Superfund and state environmental program technical deliverables
Develop conceptual site models for risk assessment and RI reports
Assist in developing in-house risk assessment tools and processes
Perform technical QA/QC review
Support other site investigation projects including environmental site assessments
Support site characterization, fate and transport, environmental chemistry to support risk-based decisions, developing site-specific remedial action objectives and cleanup goals
Perform literature research, review site documentation
Assist in managing and interpreting analytical/chemical laboratory data for risk assessment and RI
Evaluate water, soil and sediment contamination concerns for risk assessment and RI
Evaluate potential hazards to wildlife using ecological food chain modeling
Work cooperatively with risk assessors and other staff in a team environment
Preferred Qualifications:
Bachelor's Degree in Environmental Science or closely related field
Knowledge of Superfund, DOD, NJDEP and NYSDEC environmental regulations and guidance, ARARS and TBCs highly desirable.
Current 40 hour HAZWOPER training or ability to acquire certification required.
Local candidates are preferred
Required Qualifications
- Bachelor's degree in Environmental Science or closely related field
- 5 years technical and/or field experience preparing environmental documents
- Proficient with MS Office (Word, Excel)
- Strong environmental writing and communication skills
- Strong conceptual, organizational, problem-solving and research abilities
- Ability to work independently and as part of a team
- An attitude and commitment to being an active participant of our employee-owned culture is a must
What We Believe
HDR is our company. Together, we build on each other's life experiences and perspectives to make great things possible every day. This shapes our collaborative culture, encourages organizational trust and connects us closer to the clients and communities we serve.
Our Commitment
As employee owners, we all have a role in creating an inclusive environment where each of us is welcomed, valued, respected and empowered to bring our authentic selves to work every day.
Our eight Employee Network Groups (Asian Pacific, Black, Hispanic/Latino(a), LGBTQ+, People with Disabilities, Veterans, Women, Young Professionals) help create a sense of belonging and foster a supportive environment where everyone is empowered to engage and contribute. Each group has an executive sponsor and is open to all employees.
About HDR
Sourced by ZipRecruiter
At HDR, we specialize in engineering, architecture, environmental and construction services. While we are most well-known for adding beauty and structure to communities through high-performance buildings and smart infrastructure, we provide much more than that. We create an unshakable foundation for progress because our multidisciplinary teams also include scientists, economists, builders, analysts and artists.
Industry
Specialized design services
Company size
5,001 - 10,000 Employees
Headquarters location
Omaha, NE, US
Year founded
1917