Senior Research Associate, In Vivo Pharmacology (Contractor)

Company: Legend Biotech
Location: Philadelphia
Posted on: January 7, 2026

Job Description:

Legend Biotech is a global biotechnology company dedicated to treating, and one day curing, life-threatening diseases. Headquartered in Somerset, New Jersey, we are developing advanced cell therapies across a diverse array of technology platforms, including autologous and allogenic chimeric antigen receptor T-cell, T-cell receptor (TCR-T), and natural killer (NK) cell-based immunotherapy. From our three R&D sites around the world, we apply these innovative technologies to pursue the discovery of safe, efficacious and cutting-edge therapeutics for patients worldwide. Legend Biotech entered into a global collaboration agreement with Janssen, one of the pharmaceutical companies of Johnson & Johnson, to jointly develop and commercialize ciltacabtagene autolecuel (cilta-cel). Our strategic partnership is designed to combine the strengths and expertise of both companies to advance the promise of an immunotherapy in the treatment of multiple myeloma. Legend Biotech is seeking a Senior Research Associate, In Vivo Pharmacology (Contractor) as part of the Research & Early Development team based in Philadelphia, PA . Role Overview This position will perform preclinical in vivo pharmacology and toxicology studies to support pipeline advancement. The ideal candidate will have experience in biology and oncology and in vivo studies with animal models. The successful candidate will work in a collaborative environment and is skillful in supporting multiple projects by conducting various in vitro and in vivo laboratory experiments. Contract Duration: 12 Months Key Responsibilities Work together with other team members to execute various in vitro experiments including cell culture and cell functional analysis, human PBMC isolation, ddPCR, flow-cytometry analysis for biomarkers. Support in vivo animal studies including management of mouse colony, test article dosing through injections of intravenous, intraperitoneal and subcutaneous. Tumor measurement through caliber and bioluminescent imaging, processing and analyzing various animal samples, including blood, tumor and tissues from mice and NHP. Lab instrument maintenance. Requirements Master’s or bachelor’s degree in biological sciences (Immunology, cell biology and cancer biology, et.al.). 5 years’ experience in a biological laboratory setting (industry preferred). Cell culture and cell-based function analysis. Experience in ELISA and flow-cytometry is required. In vivo study experience is required. Being able to handle mice confidently is essential. Molecular biology skills such as DNA and RNA extraction, RT-PCR and ddPCR, etc. Sense of ownership and integrity of their work. Demonstrated ability to work as part of a team. Demonstrated organizational skills including but not limited to pay attention to details and multitasking. Mouse handling and procedures (bleeding, injection, in vivo imaging, tissue dissection and analysis), cell culture and function analysis, multiple-color flow cytometry, ELISA, qPCR, and multiplexed cytokine analysis assays (MSD and Luminex). Not allergic to lab animals. Li-JR1 Li-Contract Benefits We are committed to creating a workplace where employees can thrive - both professionally and personally. To attract and retain top talent in a highly competitive industry, we offer a best-in-class benefits package that supports well-being, financial stability, and long-term career growth. Our offerings are designed to meet the diverse needs of our team members and their families, ensuring they feel valued and supported every step of the way. Highlights include medical, dental, and vision insurance as well as a 401(k)-retirement plan with company match that vest fully on day one. Equity and stock options are available to employees in eligible roles. We offer eight weeks of paid parental leave after just three months of employment, and a paid time off policy that includes vacation days, personal days, sick time, 11 company holidays, and 3 floating holidays. Additional benefits include flexible spending and health savings accounts, life and AD&D insurance, short- and long-term disability coverage, legal assistance, and supplemental plans such as pet, critical illness, accident, and hospital indemnity insurance. We also provide commuter benefits, family planning and care resources, well-being initiatives, and peer-to-peer recognition programs - demonstrating our ongoing commitment to building a culture where our people feel empowered, supported, and inspired to do their best work. Please note: These benefits are offered exclusively to permanent employees. Contract employees are not eligible for benefits through Legend Biotech. EEO Statement It is the policy of Legend Biotech to provide equal employment opportunities without regard to actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth, related medical conditions and lactation), gender identity or gender expression (including transgender status), sexual orientation, marital status, military service and veteran status, disability, genetic information, or any other protected characteristic under applicable federal, state or local laws or ordinances. Employment is at-will and may be terminated at any time with or without cause or notice by the employee or the company. Legend may adjust base salary or other discretionary compensation at any time based on individual, team, performance, or market conditions. Legend Biotech maintains a drug-free workplace.

Keywords: Legend Biotech, Levittown , Senior Research Associate, In Vivo Pharmacology (Contractor), Science, Research & Development , Philadelphia, Pennsylvania