Principal Industrial Hygienist; M.P.H. or Ph.D

Principal Industrial Hygienist (M.P.H. or Ph.D.) About Exponent

Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most profoundly unique, unprecedented, and urgent challenges.

Our vision is to engage multidisciplinary teams of science, engineering, and regulatory experts to empower clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.

Join our team of experts with degrees from top programs at over 500 universities and extensive experience spanning a variety of industries. At Exponent, you’ll contribute to the diverse pool of ideas, talents, backgrounds, and experiences that drives our collaborative teamwork and breakthrough insights. Plus, we help you grow your career through mentoring, sponsorship, and a culture of learning. Thanks for your interest in joining our team!

• 950+ Consultants
• 640+ Ph.D.s
• 90+ Disciplines
• 30+ Offices globally

We are seeking an experienced consultant for a Principal Industrial Hygiene position in our Health Sciences Practice. This position is open across all U.S. office locations. In this role, you will collaborate with multidisciplinary teams to provide strategic leadership and expert guidance on projects involving exposure assessment, risk assessment, exposure controls, and risk communication. These projects span a broad spectrum of chemical, biological, and physical hazards in the workplace, residences, the environment, and consumer products that may include the research, measurement, and reconstruction of exposure to assess risks, comparative risk research analyses using data science tools, and/or assistance with regulatory documents and analyses.

As a Principal Industrial Hygienist, you will lead complex projects, cultivate relationships with existing clients, identify new business opportunities, and contribute to the growth of our Health Sciences Practice.

• Leveraging deep knowledge in industrial hygiene to address a wide range of complex human health challenges across diverse client sectors, delivering scientifically rigorous and impactful solutions
• Identifying, pursuing, and securing new client engagements by understanding emerging needs and building long‑term strategic partnerships.
• Maintaining and growing trusted relationships with existing clients by consistently delivering high‑quality work, anticipating future needs, and serving as a strategic advisor.
• Building, managing, and empowering multidisciplinary teams, fostering a collaborative and inclusive environment that values diverse perspectives and scientific integrity.
• Providing guidance, coaching, and professional development opportunities to technical staff, supporting their growth into future leaders and experts.
• Ensuring successful project execution through effective planning, resource allocation, and budget management, while maintaining high standards of quality and timeliness.
• Offering high‑level scientific and strategic advice to both internal stakeholders and external clients, contributing to the firm’s thought leadership and client impact.
• Enhancing the firm’s visibility and credibility by publishing in peer‑reviewed journals, presenting at industry conferences, leading seminars, and participating in expert advisory or technical committees.

• PhD or MPH in Industrial Hygiene or a related scientific field
• Minimum of 8 years of consulting experience in the industrial hygiene space
• Proven track record of business generation and attracting new and repeat clients or funding
• Certified Industrial Hygienist (CIH)
• Exceptional verbal and written communication skills, with the ability to articulate complex ideas clearly and persuasively to diverse audiences
• Strong analytical and problem‑solving skills, with the ability to interpret data, identify…