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.
$136.8k - $205.2k
What We Offer: Career Development Competitive Compensation and Benefits Pay Transparency Global Opportunities Learn More Here: Dematic provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination ...PrincipalLocal area- ...Workplaces National Top Companies Certified as a Great Place to Work® Fortune Best Workplaces in Financial Services & Insurance Principal Data Scientist Job Responsibilities Lead the design and development of advanced statistical and machine learning models that...PrincipalRemote work
- ...environments and demands deep expertise across systems, hardware, software, and RF throughout the full product lifecycle. Job Title Principal, Contracts Manager – Surveillance Position Summary We are seeking a Senior Contracts Manager to provide practical, business-...PrincipalContract workWork at office
- IHA is seeking an Exercise Physiologist to coordinate cardiac stress testing and rehabilitation in Grand Rapids. You will collect data (ECG and vitals), guide patients through exercise programs, and ensure safety during sessions. Ideal candidates have a health science ...SuggestedInternship
$125k - $190k
...enjoys a “Workplace for Your Day” model which, simply put, means we strive for flexibility and balance while staying true to our principally in-person model. We believe that face-to-face interactions are paramount for individual and collective development, but also encourage...PrincipalWork experience placementFlexible hours- Description QC Microbiology Technician (Weekend Night Shift) Agility, Impact, Methodology. Do you exhibit these values and wish to be around others that do too? Do you thrive in fast-paced environments where agility, adaptability, and high standards go hand in hand...16 hoursFull timeWork experience placementImmediate startShift workNight shiftWeekend work
- Job Description Job Description About Us Pinnacle Fertility is a leader in physician-centric fertility care, supporting high-performing fertility clinics and comprehensive service providers nationwide. Guided by our mission of fulfilling dreams by building families...Full timeRelocation packageMonday to FridayShift work
- Cytotechnologist Be the first to apply for this position in Grand Rapids, working Monday to Friday from 8:00 AM to 4:30 PM. We are proud to offer best-in-class benefits and programs to support employees and their families in living healthy, happy lives. Our pay and...Full timePart timeLocal areaMonday to FridayFlexible hours
$152.07k - $202.76k
...impact, and help shape the future of AI‑ready connectivity, join us today. The Role We are looking for a strategic and technical Principal Architect to design the new architecture evolution for Lumen Connect. With a clear goal to improve the quality and availability of...PrincipalFull timeTemporary workRemote work$62k - $85k
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...Full timeTemporary workPart timeCasual workWork at officeLocal area$6,612.67 - $7,347.6 per month
Salary: $6,612.67 - $7,347.60 Monthly Location : Lander, WY Job Type: Permanent Full-time Job Number: 2026-00340 Department: Wyoming Game and Fish Department Division: Wildlife Opening Date: 09/04/2026 Closing Date: 9/18/2026 11:59 PM Mountain...Permanent employmentFull timeTemporary workWork experience placementLocal areaImmediate startRemote workNight shiftAfternoon shiftEarly shift- This position will be fully remote and can be hired anywhere in the continental U.S.The Principal AI Advisor, Center of Excellence plays a critical role in serving as a trusted partner to Optiv’s clients. By combining advanced business and security practitioner knowledge...PrincipalFull timeLocal areaRemote workWork from home
- Histotechnologist I - Grand Rapids, MI Histotechnologist I - Grand Rapids, MI, Monday to Friday, 1:00 PM to 9:30 PM. Employee may be eligible to receive shift differential of 10% for some or all hours worked on second shift and 15% for some or all hours worked on third...Full timePart timeLocal areaMonday to FridayFlexible hoursShift workAfternoon shift
- ...people around them. Together, we create meaningful spaces while supporting each other’s growth and success. YOUR PURPOSE The Principal role is an impactful leadership position responsible for shaping the firm’s long-term business development efforts and advancing...PrincipalContract workWork at office
$65 - $85 per hour
DescriptionKforce has a client in Grand Rapids, MI that is seeking a Senior Project Manager - Manufacturing Startup & Expansion Projects.Summary:This role will support startup, expansion, and capital projects within a manufacturing environment. This individual will work...For contractors- ...processed by administrative staff. # Review work papers, financial statements and tax returns before submission to Senior Manager or Principal for further review. # Plan engagements to achieve quality goals and reduce time required to perform an engagement. # Begin an...Hourly payWork at officeFlexible hours
- Job Description Job Description Senior Project Manager - Pipp Mobile Storage Systems, Inc. is a dynamic and innovative organization committed to delivering excellence to our customers. As a rapidly growing company, we are looking for an experienced Project Manage...For subcontractor
- A law firm is seeking an attorney based in Grand Rapids, MI with 6 to 12 years of experience in commercial litigation. Candidates should have a strong commitment to quality legal work and superior client service. Responsibilities include managing litigation matters, analyzing...
- This position will be fully remote and can be hired anywhere in the continental U.S.The Principal Cybersecurity Advisor serves as a senior technical leader within Optiv's Cisco Center of Excellence. This individual brings broad, current experience across Cisco enterprise...PrincipalFull timeLocal areaRemote workWork from home
- Job Title Duties The following are the duties of this position at the full working level. If this vacancy includes more than one grade and you are selected at a lower grade level, you will have the opportunity to learn to perform these duties and receive training...
$30 - $35 per hour
Job Description Job Description Immediate Opening — Senior Maintenance Technician Green Property Management | Grand Rapids, MI | $30–35/hr + Performance Bonus At Green Property Management, maintenance isn't a cost center — it's the heartbeat of everything we ...Full timeLive inImmediate startMonday to FridayDay shift- Plante Moran seeks a Solution Architect to optimize the Management Consulting technology stack and define end-to-end architectures that enable practice capabilities and processes. You will partner across Product, Enterprise, and Platform teams to ensure standards, manage...
- Job Summary: We are looking for an experienced UX Researcher with 5+ years experience to foster data-driven decision making throughout the product lifecycle. The ideal candidate enjoys solving complex problems, collaborating cross-functionally, and bringing a voice to ...
$17.73 - $17.98 per hour
Hourly rate ranges from $17.73 - $17.98 per hour and is dependent upon qualifications and experience. Benefits include: Company Paid Sick Time, Paid Vacation Time, Paid Holidays, Bereavement Pay, Jury Duty Pay, Contest Prize Awards, 401K Plan with Company Match, Medical...Hourly payLocal area- A community-oriented church in Georgetown Charter Township, Michigan is seeking a Senior Pastor to shepherd a growing congregation. The role involves leading expository preaching and providing pastoral care while collaborating with the Session for church leadership. Cedar...
- The Division of Genetics & Genomics at Corewell Health West/Helen DeVos Children’s Hospital is seeking a board eligible/board certified geneticist to join our growing Medical Genetics and Biochemical Genetics teams. This is an exciting opportunity to play a key role in ...Live in
- Join Oktopost: Drive the B2B Social Media Revolution Social media has become mission-critical for B2B marketers, but the tools haven't caught up. While most platforms are built for B2C, Oktopost is changing the social game for B2B: proving ROI, scaling employee advocacy...Flexible hoursShift work
- Overview Senior Pastor - Cedar Church (OPC), West Michigan Cedar Church is seeking a Senior Pastor to shepherd a healthy, stable, and growing congregation near Grand Rapids, Michigan. The pastor will focus on expository preaching, discipleship, and pastoral care, supported...
- Senior Vice President, Specialty Claims About the Company Globally recognized provider of risk management & claims handling services Industry Insurance Type Privately Held Founded 1953 Employees 1001-5000 About the Role The Company is seeking...
$75k - $100k
Job Opportunity Gpac houses a team of professional Recruiters who specialize in the Public Accounting industry! The reputable clients we partner with are looking to add dedicated talent to their team! Enjoy flexibility, career growth, and other great perks. Apply...Full timeRemote workFlexible hours
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Toxicologist. Be the first to apply!





