Senior Medical Science Liaison _ Mountain West

About Celldex Celldex is pioneering new horizons in immunology to deliver life-changing therapies. We are relentless in our pursuit of novel antibody-based treatments that engage the human immune system and directly impact critical pathways in allergic, inflammatory, and autoimmune diseases. We are building a world-class Medical Affairs organization to support late-stage development and launch for the company’s immunology asset. Our culture is entrepreneurial, fast-moving, and deeply mission-driven—where passionate individuals can make a meaningful impact. Why Join Celldex? Opportunity to build and shape the Field Medical organization at a pivotal stage Direct impact on launch readiness and execution for a late-stage immunology asset Highly visible leadership role with enterprise influence Entrepreneurial culture where leaders can build, innovate, and drive change Mission-driven organization focused on improving the lives of patients with serious diseases Overview The Medical Science Liaison (MSL) / Senior Medical Science Liaison (Sr. MSL) will prioritize contacts with key opinion leaders (KOLs), healthcare providers, and clinical investigators within an assigned U.S. region, providing scientific exchange and supporting the generation of actionable insights. This role serves as a field-based extension of the Medical Affairs and Evidence Generation (MA&EG) organization, supporting external engagement and contributing to the understanding of clinical practice, treatment dyn