Principal Consulting Toxicologist

J.S. Held LLC

Principal Toxicologist leading toxicological risk assessments and supporting complex litigation at a global consulting firm. Mentoring a team and expanding toxicology services across international markets.

Posted 6/30/2026full-timeRemote • Washington • 🇺🇸 United StatesLead💰 $150,000 - $300,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in toxicological risk assessment, chemical exposure analysis, and regulatory compliance, with a strong focus on client relationship management and business development. Proven ability to lead and mentor teams while delivering high-quality scientific assessments and expert testimony.

Highest-signal resume keywords

PhD In ToxicologyToxicological Risk AssessmentTestifying Expert ExperienceBusiness DevelopmentGlobal Regulatory Frameworks

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Toxicological Risk AssessmentChemical Exposure AnalysisHuman Health Impact AnalysisExpert Report PreparationData Interpretation

Soft Skills

Exceptional Communication SkillsTeam LeadershipClient Relationship Management

Industry Keywords

Environmental HealthMass TortsProduct LiabilityOccupational HealthRegulatory Compliance

About the role

Key responsibilities & impact

Lead, mentor, and develop a team of toxicologists across multiple projects and geographies
Ensure scientific rigor, quality assurance, and defensibility across all deliverables
Foster a collaborative, high-performance team culture aligned with J.S. Held’s consulting standards
Provide oversight and guidance on complex, high-profile engagements
Serve as a consulting and testifying expert in litigation, arbitration, and regulatory matters
Lead and deliver toxicological risk assessments, exposure assessments, and product safety evaluations
Interpret complex toxicological, epidemiological, and exposure data to generate clear, defensible opinions
Support mass torts, environmental exposure cases, product liability matters, and occupational health disputes
Originate, grow, and maintain client relationships across legal, corporate, and regulatory sectors
Lead business development activities, including opportunity identification, scoping, pricing, and proposal development
Support the growth and expansion of toxicology services across the U.S. and international markets
Collaborate with multidisciplinary teams to integrate toxicology into broader disputes, investigations, and compliance offerings
Contribute to thought leadership, including publications, conference presentations, and client briefings

Requirements

What you’ll need

PhD in Toxicology, Pharmacology, Environmental Health, or a related discipline
~15+ years of professional experience, including significant time in consulting and leadership roles
Demonstrated experience serving as a testifying expert, including preparation of expert reports and participation in depositions and/or trial testimony
Deep expertise in toxicological risk assessment, chemical exposure, and human health impact analysis
Strong understanding of global regulatory frameworks (e.g., REACH, CLP, EPA, OSHA, and related regimes)
Proven seller–doer track record, including business development, client relationship management, and revenue delivery
Exceptional communication skills, with the ability to present complex scientific concepts to legal, technical, and executive audiences.

Benefits

Comp & perks

Flexible work environment allows employees to work remotely, when needed
Flexible Time Off Policy
Medical, Dental, and Vision Insurance
401k Match
Commuter Benefits