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About the Role

The Medical Science Liaison (MSL) / Senior Medical Science Liaison (Sr. MSL) will engage with key opinion leaders, healthcare providers, and clinical investigators within an assigned U.S. region, providing scientific exchange and supporting the generation of actionable insights. This field-based role extends the Medical Affairs and Evidence Generation organization, supporting external engagement and contributing to the understanding of clinical practice, treatment dynamics, and emerging data within immunology and/or dermatology.

Responsibilities

Engage in Medical-to-Medical scientific discussions including disease awareness, clinical data, and treatment considerations.
Communicate scientific information clearly and effectively to healthcare providers, investigators, and KOLs.
Develop and demonstrate increasing depth of knowledge and confidence in scientific exchange.
Gather, synthesize, and communicate insights from field engagement.
Identify trends in clinical practice, perceptions of data, and factors that influence treatment decisions.
Provide structured, contextualized, and actionable insights with increasing experience.
Proactively share insights with internal stakeholders and align with MA&EG partners.
Execute field activities within assigned territory, including planning, prioritization, and engagement.
Demonstrate strong organization and time management skills.
Operate with greater independence and ownership of the territory with increasing experience.
Apply scientific knowledge to understand and communicate clinical data.
Develop the ability to interpret study results and discuss findings appropriately with external stakeholders.
Support clinical development activities, including engagement with investigators and clinical sites.
Participate in site identification, research discussions, and clinical trial awareness.
Provide scientific support for congresses, advisory boards, and other external engagements.
Maintain awareness of scientific literature, emerging research, and competitive landscape.
Collaborate with internal stakeholders within Medical Affairs to support field engagement and insight exchange.
Engage healthcare providers and KOLs within assigned region.
Develop awareness of broader stakeholders and factors influencing clinical decision-making.

Requirements

Strong communication skills and ability to engage in scientific discussions
Strong customer-facing, listening, and relationship-building skills
Ability to learn and communicate complex scientific information
Ability to operate independently with increasing confidence and sound judgment
Strong organization, prioritization, and execution capabilities
Foundational understanding of clinical trial design and data interpretation
Ability to synthesize information and communicate insights effectively
Adaptability and ability to operate in a dynamic, fast-paced environment
Must be able to travel approximately 70%, including some weekends

Skills

Immunology
Dermatology
Medical Affairs
Clinical research
Scientific exchange
Insight gathering
Data interpretation
Clinical trial processes

Location

U.S. region

Work Type

Field-based
Full-time

Experience Level

0-3+ years of MSL or related experience (for MSL leveling)
Senior Medical Science Liaison

Education Level

MD, NP, PA, PharmD, or PhD in a life science required
Specialization in Dermatology, Immunology, or Allergy preferred

Salary/Compensations

$133,579-$213,380

Benefits

Annual discretionary bonus
Long term incentive
401(K) plan with employer contribution
Health care and other insurance benefits (for employee and family)
Paid holidays
Vacation
Sick days

About the Company

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.

Equal Opportunity

Celldex is proud to be an equal opportunity employer that strives to foster a culture of diversity, equity, and inclusion.
We are committed to promoting a diverse environment through development, recruiting and community outreach.