Senior Human Health Risk Assessor

Do you like working with different project teams in a fast-paced environment? Are you interested in joining an organization focused on making a positive impact? If so, we’d like to talk with you about growing with us.

We are currently seeking a full-time or part time Senior Human Health Risk Assessor. This is an excellent opportunity to join and grow EnSafe, getting involved in a variety of projects for a diverse range of clients across the globe. The location for this role can be flexible to the following EnSafe office locations: Memphis, TN;  Nashville, TN; Knoxville, TN; Charleston, SC; Bowling Green, KY; Cincinnati, OH; Atlanta, GA; Jacksonville, FL; Tampa, FL; Dallas, TX; Houston, TX; San Diego, CA; Long Beach, CA or Concord, CA.

Hybrid or remote work will be considered based on experience.

As a Human Health Risk Assessor, you will play a key role in supporting risk assessments for government clients under the Navy CLEAN contract and multiple industrial clients in a collaborative and supportive environment. EnSafe emphasizes empowering staff to practice our profession passionately and without limitations.

DUTIES/RESPONSIBILITIES
In this role, you will:

• Work in multidisciplinary teams to formulate conceptual site models and identify appropriate receptors for evaluation to site-specific human health risk assessments.
• Lead the selection of appropriate site-specific exposure parameters.
• Calculate carcinogenic risk and non-carcinogenic hazard in accordance with USEPA or state-specific protocols. Familiarity with USEPA lead models and vapor intrusion evaluations.
• Calculate population statistics of interest using Pro UCL software.
• Lead report preparation of addressing risk assessment approach, findings, uncertainties, and recommendations.
• Provide mentorship and training to junior staff.
• Support internal clients such as project managers and team members.

SKILLS/EXPERIENCE
Minimum Skills and Requirements:

• Bachelor’s degree in toxicology, public health, biology, or related scientific field.
• 12+ years of experience in an environmental consulting or government regulatory environment.
• Thorough understanding of USEPA Risk Assessment Guidance for Superfund (RAGS) and supporting guidance.
• Understanding of CERCLA, RCRA, and state regulatory frameworks.
• Demonstrated quantitative experience calculating human health risk and hazard in accordance with (RAGS)
• Understanding of the basis for selection of exposure assumptions.
• Ability to clearly interpret and explain risk assessment tables in a technical report.
• Strong analytical and quantitative skills.
• Demonstrated ability to maintain a high levels of accuracy, organization, and attention to detail.
• Strong verbal and written communication skills, with the ability to convey complex technical information effectively.
• Ability to work effectively with diverse personalities, demonstrating professionalism and resourcefulness.

Preferred Skills:

• Masters degree in toxicology, public health, biology, or related scientific field.
• Knowledge of emerging contaminants including PFAS toxicity and assessment.

Why Join EnSafe?

• Employee-Owned Advantage
  EnSafe is 100% employee-owned, with an ESOP (Employee Stock Ownership Plan) since 1997. That means when EnSafe succeeds, you succeed too, turning company growth directly into shared rewards.
• Commitment to Growth and Wellness
  The company supports personalized career development, mentorship, and employee wellness initiatives such as health tracking tools.
• Purpose‑Driven Work
  EnSafe’s mission focuses on impactful environmental, health, and safety consulting—making a real difference in communities and is backed by its long-standing technical credibility. 
• Safety as a Value, Not Just a Service
  Safety is deeply embedded in our culture, prioritizing employee well-being in addition to helping clients maintain compliance. We stress that “safety is part of everything we do.”
• A Culture of Freedom & Ownership
  At EnSafe, our career philosophy is built on freedom. The freedom to take initiative, achieve your goals, and shape your own career path Employees are encouraged to pursue growth in a flexible, entrepreneurial environment. 
• Challenging, Creative Work
  Workdays at EnSafe are anything but ordinary, fast-paced, dynamic, and filled with opportunities to tackle projects in environmental consulting, health & safety, engineering, and technology. Every day calls for creativity, innovation, and agile problem-solving.

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About EnSafe

EnSafe began as a two-person firm in 1980, navigating complex regulatory compliance issues on behalf of our clients.  We nurture our people with growth and development opportunities.  We build enduring, trustful relationships with each of our clients, with a focus on high ethical and safety standards.  We build this reputation by attracting high-quality people and retaining them for the long term.

At EnSafe, we are dedicated to fostering a diverse and authentic workplace, so if you’re excited about this role but your experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway.  You may be just the right candidate for this or other roles at our company.

EnSafe is committed to being an EEO employer and all qualified candidates will receive consideration without regard to race, color, religion, national origin, citizenship, age (except for bona fide occupational qualifications), sex, disability, sexual orientation, gender identity, marital status, military or veteran status, any other status protected by federal, state, or local law, or association with a person on the basis on one or more of the foregoing.

Check us out on the web at www.ensafe.com

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