Aetia Scientific Collaborative (AetiaSci) is looking for motivated and experienced Principal Health Scientists. We are particularly interested in highly motivated applicants with demonstrated consulting experience in the human and environmental risk assessment domains. You will lead and collaborate with a team of scientists that participate in a variety of client-facing projects related to human health, including litigation support. The location for this position is flexible.

KEY RESPONSIBILITIES:

• Provide strategic scientific leadership to solve complex human health challenges for a diverse portfolio of clients

• Identify, pursue, and secure projects, shaping scope and scientific approach

• Serve as a primary client contact, maintaining strong, collaborative relationships

• Guide and oversee large, multidisciplinary teams, fostering technical excellence and professional development

• Ensure the quality, rigor, and innovation of technical deliverables, publications, and presentations

• Maintain visibility as an expert in scientific areas of expertise

• Drive talent development and recruitment

QUALIFICATIONS:

• Master’s or PhD in toxicology, epidemiology, occupational and environmental health sciences, industrial hygiene, or a related discipline

• Minimum of 15 years of related experience

• Minimum of 5-10 years of consulting experience

• Proven track record of generating new and recurring client work

• Recognized for integrity, responsiveness, and technical expertise by clients and peers

• Extensive publication record in peer-reviewed journals or other scientific/technical outlets

• Strong commitment to mentoring and professional development of junior staff.

• Current and future U.S. work authorization is required

COMPENSATION AND BENEFITS:

AetiaSci offers a competitive benefits package, including, but not limited to, medical, dental, and vision insurance; short-term and long-term disability insurance; life insurance; generous 401(k) program with employer matching; paid time off including sick leave; and performance bonuses.

The annual salary range is dependent on experience and capabilities which will be assessed during the interview process: $185,000+, annually.

Aetia Scientific Collaborative (AetiaSci) is looking for motivated mid-career Health Scientists to join our technical practice in Boulder, Colorado. The successful candidate will join a collaborative team engaged in evaluating human health risks associated with chemical exposures in occupational, environmental, and consumer product contexts. This position is well-suited for individuals with a strong scientific background who are seeking to apply their expertise in a non-laboratory or non-clinical setting. The role involves interdisciplinary work across toxicology, exposure science, and epidemiology to support the development of scientifically grounded, practical solutions in a fast-paced consulting environment.

KEY RESPONSIBILITIES:

• Evaluate and interpret scientific literature in toxicology, epidemiology, industrial hygiene, and environmental health

• ‍Conduct quantitative exposure and risk assessments for chemical, occupational, and environmental exposures

• ‍Synthesize complex data into clear, defensible technical reports, memoranda, and client-facing deliverables

• ‍Support litigation projects by reviewing documents, summarizing findings, and providing analyses to inform expert testimony

• ‍Collaborate with multidisciplinary teams, providing subject-matter expertise and contributing to project execution

• ‍Communicate scientific findings effectively through technical reports, publications, and presentations

• Mentor junior staff and provide guidance on scientific methods, reporting, and project workflows

• Contribute to project planning, timeline management, and quality assurance of deliverables

QUALIFICATIONS:

• Master’s or PhD in toxicology, epidemiology, occupational and environmental health sciences, industrial hygiene, or a related discipline

• ‍7–10 years of experience in consulting, risk assessment, or related scientific work

• Demonstrated expertise in evaluating scientific literature and performing quantitative risk assessments

• Strong technical writing and communication skills for diverse audiences

• Experience supporting multidisciplinary teams and managing complex projects

• Ability to work independently and maintain high-quality scientific standards

• Current and future U.S. work authorization is required

COMPENSATION AND BENEFITS:

AetiaSci offers a competitive benefits package, including, but not limited to, medical, dental, and vision insurance; short-term and long-term disability insurance; life insurance; generous 401(k) program with employer matching; paid time off including sick leave; and performance bonuses.

The annual salary range is dependent on experience and capabilities which will be assessed during the interview process: $90,000-$150,000, annually.