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Careers & Culture

Our Culture

Celldex is a great place to work. We have built an environment where innovative and talented people thrive—focusing a significant effort on attracting and retaining passionate and motivated employees who want to play a role in helping people with serious health conditions and who see this effort as personally rewarding.

We have a highly entrepreneurial environment where employees are empowered and where recognition and the opportunity for professional development occur every day. In addition to our daily work functions, we promote engagement and collaboration through social, wellness, and team building activities.

Photo of Celldex team members enjoying an outdoor activity
Photo of Celldex team members having a lunch outdoors
Photo of Celldex team members riding a golf cart

Get a glimpse into our culture by connecting with us on LinkedIn and X/Twitter

Hear from our employees what it’s like to work at Celldex!
  • "The most rewarding part of my job is to see the impact of my work on patients’ health and how helpful I could be to their life quality. Other than the great science being done at Celldex, everybody is very kind here. I really feel like I have a new family!"

    Photo of Khoosheh Khayati

    Khoosheh KhayatiResearch

  • "Celldex gave me the opportunity to work for them while being in school full-time which you may not see at other companies. I am also able to work alongside very innovative and intelligent people and learn from them."

    Photo of Angus Riley

    Angus RileyProcess Development

  • "I joined Celldex because of the great opportunity for growth and to work at a company that has an important mission, fighting many illnesses. I am excited to be part of a company that has strong goals and is making a difference in the world."

    Photo of Kristopher Munroe

    Kristopher MunroeMaterials Handling

  • “One of the many things I like about Celldex is the company culture. Everyone here is like a family, from the team you work with daily and the different departments you interact with, to upper management who knows who you are as an individual.”

    Kenia SanchezInternal Manufacturing

  • “I am very proud to be part of Celldex. I enjoy working every day alongside passionate, collaborative, and highly talented colleagues from across the organization. Today, we are small yet ambitious. Driven but humble. Science-focused with bold commercial aspirations.”

    Noel Dela PazCommercial

Our Benefits

We pride ourselves on offering a competitive benefits package to meet the personal and
professional needs of our team members and their families.

Health and Wellness
  • PPO Medical, Dental and Vision Plans with generous company contribution
    • Medical Plan includes telemedicine and wellness incentives
    • Dental Plan includes adult and child/ren orthodontia benefit and the opportunity to rollover funds
  • Flexible Spending Accounts (Health, Dependent Care, and Transit)
  • Employee Assistance Program
  • Pet Insurance Group Discount
  • Internal wellness activities – Paint Night, Yoga, Book Swap, Local 5K

Financial Benefits
  • 401(K) with company match, immediate vesting
  • Employee Stock Purchase Plan with 15% discount
  • 100% company-paid Life Insurance, AD&D, Short-Term Disability and Business Travel Insurance
  • Competitive pay and stock programs

Professional Opportunities
  • Employee recognition program
  • Company-sponsored conferences and memberships
  • Tuition reimbursement program
  • Leadership development

Time Away
  • Generous vacation time and rollover
  • 11 paid company holidays per year, plus 1 floating holiday
  • Flexible Schedule
Our Commitment to Diversity

Celldex is committed to fostering a culture of diversity and inclusion. Our Employee Resource Group (ERG) is an employee led group focused on supporting employee learning, engaging in local community outreach, and working towards ensuring a diverse talent pipeline in biotech. Highlighted below are some of the initiatives the ERG has led to promote these goals at Celldex.

Speaker Series on Unconscious Bias, LGBTQ+ Experiences and Identities, Practicing Self Care, Collaborating Effectively Across Generations, and the Intersection Between Generations and Racial Equity

Visiting or hosting neighboring school districts and organizations to provide exposure and mentorship to students interested in STEM

Employee workshops on topics such as Diversity, Inclusion & Allyship, Mental Health at Work, and Neurodiversity in the Workplace

Resource library with ERG recommended content and the opportunity to engage in book club discussion

Collaboration on internship opportunities with Rutgers University, Raritan Valley Community College, and Bristol Community College.

Celebrating the diverse voices and perspectives in our Celldex community, including through the Diverse Perspectives Blog on our Company intranet

Join Our Team

Celldex is always looking for passionate and talented individuals to join our team. Please explore our open positions and find your fit on our team. We encourage you to check back frequently as we regularly post new opportunities.

View Open Positions

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