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Executive Medical Science Liaison _ Washington DC

Celldex
August 27, 2026
Full-time
On-site
Washington, NJ
Medical Affairs
Role: Senior Medical Science Liaison (MSL) leading scientific engagement and insights in immunology and dermatology for late-stage biotech development. Responsibilities include complex scientific discussions with KOLs, investigators, and large practices; synthesizing and sharing clinical insights; supporting clinical trial sites and investigator initiatives; leading field workstreams; and cross-functional collaboration with Medical Affairs, HEOR, and clinical teams. The position involves managing stakeholder relationships, supporting R&D activities, and contributing to product launch readiness. Requirements: MD, NP, PA, PharmD, or PhD in life sciences with specialization in Dermatology, Immunology, or Allergy; 5+ years MSL experience, with proven expertise in immunology or dermatology; strong scientific and clinical judgment; ability to operate independently; excellent communication and stakeholder management skills. Preferred: experience engaging with research sites, supporting clinical development, and working cross-functionally. High-value specifics: focus on immunology and dermatology assets, supporting late-stage development, with approximately 70% travel. Work setup: field-based role with regional ownership, requiring proactive scientific dissemination and insight generation in a fast-paced biotech environment.