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Senior Engineer / Principal Engineer, Lentivirus Downstream Process Development

Legend Biotech US
USAfull_timePosted 21 Sept 2026

About the role

<div class="content-intro"><p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Legend Biotech is a global biotechnology company dedicated to treating and, one day, curing life-threatening diseases. Headquartered in Bridgewater, New Jersey, we are advancing the next generation of cell therapy through a portfolio of innovative technologies, including autologous, allogeneic, and in vivo cell therapy approaches. Our research spans chimeric antigen receptor T-cell (CAR-T), T-cell receptor (TCR-T), natural killer (NK) cell-based therapies, and other emerging platforms designed to transform the treatment of serious diseases. From our global network of research and development sites, we are committed to discovering and developing safe, effective, and cutting-edge therapies for patients worldwide.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 10pt;">Legend Biotech entered into a global collaboration agreement with Johnson &amp; Johnson to jointly develop and commercialize CARVYKTI® (ciltacabtagene autoleucel; cilta-cel). Through this strategic partnership, we combine complementary expertise and capabilities to advance innovative immunotherapies for patients living with multiple myeloma.</span></p></div><p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Legend Biotech is seeking a Senior Engineer / Principal Engineer, Lentivirus Downstream Process Development&nbsp;as part of the <strong>Technical Development</strong> team based in <strong>Somerset, NJ.</strong> </span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Role Overview</strong></span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">The Senior Engineer / Principal Engineer, Lentivirus Downstream Process Development will be responsible for designing, optimizing, and scaling purification processes for lentiviral vectors (LVV) within our innovative pipeline. This role focuses on delivering high-quality vector products to support LVV generation and other advanced cell therapy programs. The successful candidate will drive scientific excellence in scaling automation capabilities from concept to operation, integrating analytics and modeling into downstream workflows, and translating microscale insights into robust, scalable processes for GMP manufacturing. The level and scope of responsibility will be determined based on the candidate's experience, technical expertise, and demonstrated impact.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Key Responsibilities</strong></span></p> <ul> <li style="font-fam

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Company

Legend Biotech US

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