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 affect critical pathways to improve the lives of patients with allergic, inflammatory and autoimmune disorders. We have built a culture 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. In our highly entrepreneurial environment, employees are empowered and the opportunity for professional development occurs every day. Overview The Associate plays a critical role ensuring reliable and compliant manufacturing of biotherapeutic products by supporting essential cell culture, bioprocessing, and manufacturing operations that contribute directly to patient-focused outcomes. This is a hands-on role performing all activities within the production facility to produce biopharmaceutical products. Responsibilities Assist in cell culture activities: vial thaw, cell passaging, cell counting Assist in Single Use Bioreactor (SUB) bioreactor operations, set up, pH/DO probes calibrations, media additions, inoculation, etc Cleaning, weighing, mixing and process monitoring, maintaining inventory of equipment parts, clean room supplies, perform testing of materials/supplies (i.e. integrity testing of filters) Assisting in product changeovers cleaning Assembly, disassembly and operation of bioprocess and laboratory equipment such as bioreactors, filter assemblies, and pump setups Prepare buffers, media, and other solutions needed for manufacturing practices Assist in the investigation of environmental excursions and deviations Qualifications

AS/BA/BS

in Biology, Chemistry or Life Sciences 0-2 years' experience in Biotech/Pharma industry 0-2 years' experience in GMP Demonstrate mechanical aptitude and good manual dexterity Ability to work and to stand for long periods and lift 30 - 40 pounds Availability for extended day shifts, weekends, and holiday work, as needed The ability to work in a clean room environment with good aseptic technique Ability to read, write, understand and work from SOP Word processing ability including Microsoft Word, Excel, PowerPoint, and Outlook The ability to work independently and as part of a team