Health Scientist, Project Manager - Toxicology and Exposure Science

Onterris is a leading global environmental solutions company committed to solving complex challenges at the intersection of environmental pressures, regulatory demands, and operational risks. Guided by the mission to advance human progress without compromising environmental integrity, Onterris integrates science, data, and practical expertise to deliver innovative, responsible solutions. The company’s multidisciplinary teams of scientists, engineers, field professionals, and consultants collaborate internationally to protect natural resources such as air, water, and soil, while fostering community resilience and sustainable development. At Onterris, a career is more than just a job - it's a commitment to making a real-world impact with solutions that benefit both people and the planet. The company’s core value, “For Planet and Progress,” reflects this commitment and steers every project and initiative they undertake.

The role of Health Scientist, Project Manager - Toxicology and Exposure Science at Onterris presents a unique opportunity to join a purpose-driven organization at its headquarters in Little Rock, Arkansas. This full-time position offers a competitive compensation package ranging from $95,000 to $120,000 annually, supplemented by the potential for an annual bonus of up to 12 percent based on individual, departmental, and company performance. Relocation opportunities may be available for the ideal candidate.

As a Health Scientist and Project Manager specializing in toxicology and exposure science, the successful candidate will be entrusted with managing technical projects that span toxicology, risk assessment, industrial hygiene, and exposure assessment. With 4 to 7 years of scientific consulting experience, the ideal applicant will be a proactive self-starter capable of handling projects from initiation to successful completion under senior supervision. While most work will be completed in an office setting, occasional involvement in field sampling and emergency response is expected, providing valuable hands-on experience.

This role is critical to the Health Sciences division, where the project manager will serve as a vital link between senior technical experts and clients, ensuring projects are delivered on time, within budget, and with scientific accuracy. The position offers opportunities to lead and influence projects pivotal to the team’s success, contribute to division-wide business strategy, and foster growth through technical excellence and client relationship development. The work environment emphasizes teamwork, continuous learning, and the expansion of multidisciplinary technical skills, making this an ideal role for professionals seeking both career advancement and the chance to make a positive environmental impact. This position demands strong organizational skills, adaptability, and a commitment to fostering productive relationships in matrix-style reporting structures.