Freelance Environmental Risk Assessor Jobs (NOW HIRING)

The Opportunity
Tetra Tech is looking for a full-time Risk Assessor based out of our Cincinnati, OH office. Remote workers outside of the area are also encouraged to apply.
Position Summary
Tetra Tech, a leading environmental and engineering consulting firm, is seeking a Risk Assessor who can prepare and review human health and ecological risk assessments and assist in developing remedial strategies for brownfields and other sites where hazardous substances or petroleum pose a potential or known environmental or regulatory concern. Specific experience in preparing risk assessments following technical guidance under the Ohio EPA Voluntary Action Program (VAP) is preferred.
The position is based out of our Cincinnati, Ohio office and would involve providing support on various environmental projects (primarily under Ohio EPA VAP and US EPA) throughout the Midwest, predominantly within Ohio. This position will support a variety of contracts, including federal, state, and commercial clients. The ideal candidate will have excellent technical writing and verbal communication skills, with the ability to work successfully both independently and in team settings.
Essential Job Functions
The following duties are considered essential to the role. Reasonable accommodation may be made to enable individuals with disabilities to perform these essential functions:
This position will support environmental investigations within an office setting predominantly, with the following general responsibilities:
o Support field surveys and assessments through data collection and evaluation of environmental conditions.
o Analyze large environmental datasets.
o Conduct statistical and spatial data analyses, and prepare tables, figures, and other exhibits.
o Perform contaminant fate/transport and exposure modeling.
o Review and interpret environmental and toxicological studies and reports.
o Conduct human and ecological risk assessments in accordance with federal and state guidance, with emphasis on Ohio EPA VAP.
o Prepare written documents such as letters, memoranda, proposals, work plans, and investigative reports.
o Support remedial strategy development for contaminated sites.
Why Tetra Tech
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 60 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.
Your Impact
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.
Required Qualifications

• 5 to 10+ years of environmental consulting or related experience.
• Bachelor's degree in Biology, Ecology, Environmental Science, or a related field with a background in risk assessment is required.
• Previous experience with completion of human health and/or ecological risk assessments under state or federal environmental programs.
• Must possess strong analytical, organizational, and communication skills (both written and verbal).
• Must be highly motivated, customer focused, and work well in a team environment.

This position requires driving on a regular basis. Passing a motor vehicle record background check and maintaining a valid driver's license and good driving record is required.
Preferred Qualifications
• Previous experience with completion of human health and/or ecological risk assessments under Ohio EPA VAP.
• Experience and knowledge of U.S. EPA, Ohio EPA VAP, and/or Ohio BUSTR.
• Field data collection experience, including soil, groundwater, soil gas, surface water, and/or sediment sampling.
• OSHA 40-Hour HAZWOPER with 8-Hour Refresher.
Physical Requirements
• Must be able to walk around project sites in all types of terrain and be physically able to carry up to 50 pounds of equipment.
• Must be able to complete annual medical monitoring program.
Work Environment / Environmental Factors
• This position will require outdoor work within the U.S. during all seasons, including peak summer and winter conditions.
• Overnight travel may also be required that could be in excess of 10%.
Additional Information

• 40 hour/week Monday through Friday schedule. Occasional overtime may be required as needed on project and field events.
• Field work/travel encompass up to 20% of the position.
• Position is open to remote work.

Life at Tetra Tech
The perks of working at Tetra Tech include:

• Comprehensive and market-competitive benefits.
• Merit-based financial rewards.
• Flexibility and company-wide commitment to work/life balance.
• Collaborative team atmosphere that values the contributions of all employees.
• Learning and development opportunities for ongoing professional growth.

Tetra Tech offers comprehensive benefit options that allow employees to design a plan based on individual needs and assists in planning for long-term financial security. Available benefits include medical, dental and vision insurance, term life, disability, accidental death & dismemberment coverage, Flexible Spending Account (FSA), Health Spending Account (HSA), time off with pay, 401k retirement plan, and an Employee Stock Purchase Plan.
The Salary Range for this position is $90,000 - $120,000, depending on education, experience, skills, and location.
Health and safety play a vital role in our success. Tetra Tech's employees work together to comply with all applicable health & safety practices and protocols, including any public health orders and regulations that are mandated by local, state, provincial, federal, and international authorities as well as client and project requirements.
About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. Our 25,000 employees work together to provide clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sex, marital or familial status, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.
We invite applications from all interested parties.
Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
X (Twitter): @TetraTechJobs
Please no phone calls or agencies.