Principal Toxicologist
$175.01k - $210kTRC Companies, Inc.
About Us
TRC, Member of WSP, is a global consulting environmental and engineering firm and one of the top design firms in the energy sector. Together, TRC and WSP's 83,000 experts create positive, long-lasting impacts for our communities and our clients in the power and energy, transportation and infrastructure, environmental, and property and buildings sectors. As part of our team, you'll discover a world of opportunities to connect with innovative thinkers, forge your path, and have fun tackling the world's most challenging projects. At TRC, Member of WSP, you can have a rewarding career on every level.
TRC has long set the bar for clients who require more than just engineering, combining science with the latest technology to devise innovative solutions that stand the test of time. From pipelines to power plants, roadways to reservoirs, schoolyards to security solutions, clients look to TRC for breakthrough thinking backed by the innovative follow-through of an industry leader.
We recognize that the expertise of our staff is our strongest asset, so we generously reward employees for successful performance and invest in their careers through training and the development of new skills and certifications.
Overview
TRC's Strategic Health Sciences team is part of the Environmental Health, Safety, and Sustainability (EHS) practice within TRC and is a leader in toxicology, exposure science, and risk assessment.
The team is led by Dr. Dennis Paustenbach, a board-certified toxicologist and industrial hygienist with nearly 40 years of experience in risk assessment, environmental engineering, toxicology and occupational health. Dr. Paustenbach and his team provide expert witness testimony and analysis of the health effects of chemicals in sediments, air, soil, consumer products, foods, groundwater, and the workplace.
We are seeking a Principal Toxicologist who wishes to use scholarly approaches to answer complex exposure and health risk-related questions. Our vision is to engage with the most intellectually curious scientists to provide data-driven solutions to our clients. We approach each project in a collaborative, fast-paced environment to meet client needs. We are committed to maintaining an environment in which all of our team members feel respected and empowered to succeed.
Our multidisciplinary expertise includes engineering, exposure science, industrial hygiene, toxicology, applied risk assessment, risk communication, regulatory engagement, and supply chain and product stewardship. Most projects encompass exposures to chemicals in the workplace, community, or via consumer products. There is a heavy emphasis on reading and writing in this position, and candidates who apply should have proficient writing skills for technical and lay audiences, as well as a desire to work in a writing-intensive environment.
Responsibilities
- Critically evaluate published scientific papers and reports in the environmental sciences, industrial hygiene, toxicology, epidemiology, and occupational medicine fields
- Perform qualitative and quantitative exposure and risk assessments for a variety of chemicals
- Serve as a testifying expert in toxic tort litigation
- Evaluate and retain information from legal documents, including deposition and trial testimony
- Lead the production of technical work products, presentations, and proposals
- Interact with clients on projects, both in-person and electronically
- Conduct research that may be presented at scientific conferences or submitted to scientific journals
- Candidate needs a high level of self-initiative
Qualifications
- Practical experience in the application of risk assessment
- DABT certification (toxicologist) or 5+ years of experience in epidemiology
- Record of publishing scientific articles in peer-reviewed journals on topics related to toxicology, pharmacology, epidemiology, or environmental science
- MS or Doctoral degree in toxicology, pharmacology, epidemiology, (or related field), who has had some classroom experience of the following disciplines:
- Risk Assessment classes
- Exposure Assessment
- Industrial Hygiene
- Toxicology (several courses)
- Epidemiology
- Environmental Engineering
- Biostatistics
- Must have excellent written and verbal communication skills, and a desire to work in a position with a heavy emphasis on both technical and lay writing
- Must be self-motivated, highly detail-oriented, adaptable, and effective with time management
- Aptitude for multi-tasking among various projects with competing and dynamic deadlines
- Ability to work well independently and in a team environment
- Current and future U.S. work authorization is required
Our Mission
We understand our clients' goals, and embrace them as our own, applying creativity, experience, integrity and dedication to deliver superior solutions to the world's energy, environment and infrastructure challenges.
Our Vision
We will solve the challenges of making the Earth a better place to live - community by community.
TRC is ranked #16 on ENR's list of the Top 500 Design Firms in the United States.
Please watch the video below to learn more:
Benefits * : TRC offers a competitive benefit package consisting of:
- Medical, dental, vision, and disability insurance.
- 401k package that includes both traditional and Roth IRA options and Company match.
- Paid time off contingent upon full time or part time status and level of seniority (ranging from 15 to 25 days per year).
- All full-time employees enjoy a minimum of 8 Paid Holidays per year.
- TRC ensures that all employees, including those that work part-time, receive paid sick, family, and disability leave in accordance with the laws of their state of residence.
*These benefits are applicable to US employees depending on their employment status (full time, part time, or temporary). TRC offers jurisdiction specific benefit packages for International and Puerto Rico employees.
Compensation : In accordance with local law, the below salary range is applicable for the job and location associated with this requisition. Compensation will vary based upon experience, education, skill level, geographical location, and other compensable factors.
Other Compensation: Employee may be eligible for participation in the Company's annual Discretionary Bonus Program which is contingent on Company, Business Segment, and Individual performance against Key Performance Indicators which vary by year and employee.
#LI-LD1
Disclaimers
TRC is an Equal Opportunity Employer. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by applicable law. All employment decisions are made based on qualifications, merit, and business needs. We celebrate diversity and are committed to creating an inclusive environment for all employees.
The complete and application are available on TRC's career site.
TRC accepts applications for this position on an ongoing, rolling basis and reserves the right to cancel this posting at any time.
Salary Range
USD $175,011.00 - USD $210,000.00 /Yr.
$320k - $390k
Job Description Cardiologist Electrophysiologist \n Opportunity Highlights: \n \n Salary range: $320,000 - $390,000 per year \n Location: Jackson, Mississippi \n Full-Time Monday - Friday 8:00am - 4:30pm including call coverage and weekend rounding as...SuggestedFull timeMonday to Friday$126.2k - $264.1k
Job Description Manage the development and implementation process of a specific company product. Responsibilities Manage the development and implementation process of a specific company product involving departmental or cross-functional teams focused on the delivery...PrincipalTemporary workFlexible hours$50k
Murphy Talent Group is growing and looking for an experienced technical recruiter to join our small and growing team in a remote setting. The founder of Murphy Talent is Derrick Murphy who spent years at Google and Meta then was Head of Talent and VP of People at an Synthetic...PrincipalFull timeLocal areaRemote workRelocation packageFlexible hours$169.8k - $355.4k
Job Description The computer vision team is responsible for growing our capabilities in image analysis and recognition. Our goal is to enable customers to apply computer vision to solve their particular business problems with our assistance and expertise. In this role...PrincipalTemporary workFlexible hours- ...Principal Application System Analyst Anywhere Contract Business Analysis Insurance Remote Open JN -102026-108879 09/30/2026 Description Remote Our client seeks a Principal Application System Analyst to support the State Health Plan initiative...PrincipalContract workRemote work
$135.2k - $306.4k
...validation frameworks that improve service availability, resilience, and customer experience. Responsibilities As a Senior Principal Engineer, you will lead the design and implementation of comprehensive reliability validation methodologies that ensure database platforms...PrincipalTemporary workWorldwideFlexible hours$132k - $186k
...needs. It's our driving force to help patients live longer and healthier lives. Join us and be part of our inspiring journey. The Principal Biostatistician will apply advanced biostatistical expertise to support clinical research and inform strategic decision-making...PrincipalFull timeRemote work$152.07k - $202.76k
...future of AI‑ready connectivity, join us today. The Role In a culture built on accountability, trust, and bold thinking, the Principal Architect, Cloud FinOps, plays a pivotal role in shaping the future of AI-ready connectivity. Working at the intersection of...PrincipalTemporary workRemote workWork from home$169.3k - $304.7k
...products that run on our IaaS platform Help us shape the future of our cloud-native and Kubernetes services We are looking for a Principal Software Engineer with deep expertise in Kubernetes and cloud-native architectures to lead the evolution of our managed services....PrincipalWork experience placementWork at office$142k
...influencing Critical thinking and decision making While not required to possess expertise in all of the following technologies/areas, Principal Architects must demonstrate proficiency in those relevant to the applications they support: IMS, DB2, Oracle, Teradata, Data...PrincipalFor contractorsWork at officeLocal areaRemote work$163.9k - $235.55k
...and transformation, with broad visibility across UKG functions and direct exposure to senior leaders. About the Role: The Sr. Principal, Executive Reporting will own the design and delivery of enterprise-level executive review framework and dashboard that provides...PrincipalLocal area$250.6k - $362.6k
...organization responsible for transforming Cisco’s Security products from single point products to comprehensive security outcomes, as a Principal Engineer. The team delivers secure, scalable capabilities enabling customers to control and security policies across Cisco and...PrincipalFull timeTemporary workLocal areaRemote workFlexible hours$270k - $315k
...or back into the ad platforms to make those platforms smarter. All of that is Northbeam, and all of it has to be designed. As Principal Product Designer , you'll own that experience end to end. You'll shape platform-level structure — navigation, UX paradigms, how a...PrincipalWork at officeRemote workWork from homeFlexible hours2 days per week3 days per week$114.6k - $234.6k
Job Description We're looking for a Senior Software Engineer to help deliver the next generation of high-performance, massively scalable file storage powering Oracle Cloud Infrastructure (OCI). In this role, you'll design and develop distributed storage systems that...PrincipalTemporary workFlexible hours$90.1k - $209.5k
**Job Description** OCI Strategic Customer Engineering is seeking an experienced Principal Program Manager with depth getting things done at scale. Think working with cross functional teams across large organizations, moving folks towards a unified goal and north star....PrincipalTemporary workFlexible hours$215k
...The Principal Solutions Architect proactively and holistically leads and supports EA activities that guide the development and management of a portfolio of solutions. Solutions include projects, systems (including applications, technologies, processes and information),...PrincipalWork experience placementWorldwide$150.5k - $214.5k
...matters—and so do you. Software Development Engineer - Enterprise Finance Solutions Position Summary We are seeking a seasoned Principal Software Development Engineer to lead the design, implementation, integration, and optimization of enterprise Finance solutions...PrincipalLocal area$114.6k - $234.6k
Job Description We are seeking a skilled engineer or scientist to lead the deployment and management of direct-to-chip liquid cooling technology with our external manufacturing partners. The successful candidate will ensure robust technical implementation, drive quality...PrincipalTemporary workFlexible hours$114.6k - $234.6k
Job Description We are looking for smart systems software engineers with BS/MS/PhD in Computer Science to join the Exadata Team @ Oracle Server Technologies ( Oracle Exadata technology is the newest innovation in Oracle's history as the provider of the industry's ...PrincipalTemporary workFlexible hours$102.3k - $209.5k
Job Description We are looking for a leader who combines deep technical curiosity with business acumen, and who has a proven track record in fast-paced, high-growth environments. If you thrive in ambiguity, love to innovate at scale, and can communicate complex ideas...PrincipalTemporary workRelocation packageFlexible hours$102.3k - $209.5k
Job Description Tracks and monitors ongoing Data Center critical infrastructure maintenance and repair for all service lines to pre-defined service level agreements (SLAs). Manages incidents that impact Data Center infrastructure services and the proactive and timely...PrincipalContract workTemporary workFor contractorsFlexible hoursShift work$114.6k - $234.6k
Job Description Owns complex system modules and fleet automation workflows; defines integration contracts across software, firmware, and hardware. Leads deep-dive investigations for incidents and hard faults; creates durable fixes and preventive controls. Designs performance...PrincipalTemporary workFlexible hoursShift work- ...a non-profit arm of our company, provides colleagues financial assistance during times of unexpected hardships. JOB SUMMARY: The Principal Product Manager is a senior product leadership role accountable for driving multi-vertical platform strategy at One Call and translating...PrincipalTemporary workWork experience placementWork at officeRemote workWork from homeHome office
- Job Description: Nice to meet you! My name is Angel. I'm hoping to find a homecare worker living in Jackson, Mississippi. My aim is to connect with a wonderful, consistent employee who has part-time availability. Details: My family needs physical therapy, dementia care...Part time
- Fish And Wildlife Biologist You will serve as a Fish and Wildlife Biologist with US Fish and Wildlife Service as a Senior Fish and Wildlife Biologist and technical advisor in one of the following field offices: Starkville, Mississippi; Hattiesburg, Mississippi; or Jackson...
- Job Title Some of the major duties you will perform include but are not limited to the following: Conducts comprehensive habitat restoration and enhancement on private lands including planning, contracting with landowners, mapping, surveying, implementation, construction...Local area
- Job Requisition ID R00054134 Job Category Allied Health Organization Cytology and Cytopathology Location Main Campus Jackson Job Title Cytotechnologist - Cytology Job Summary To diagnose gynecological and non-gynecological specimens for cellular abnormalities via microscope...Hourly payFull timeShift work
- MasTec is seeking a Senior Scheduler to support the Construction Management department on complex infrastructure projects in energy, utilities, and communications. In this role, you will own the development and management of detailed project schedules, integrating cost,...
$152.07k - $202.76k
...take ownership, deliver meaningful impact, and help shape the future of AI‑ready connectivity, join us today. The Role The Principal, IT Strategy & Operations Manager is a senior individual-contributor role that partners with Technology VPs, Finance, business leaders...PrincipalFull timeContract workTemporary workWork at officeRemote work- HistotechnologistTo process, embed, cut, and stain human tissue. Staining includes routine and special stains. This job profile may require call subject to the department's discretion.After you apply, we will review your qualifications and contact you if your application...Casual workSeasonal workShift work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Toxicologist. Be the first to apply!








