Scientist, In Vivo CAR-T Pipeline

Legend Biotech US

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Philadelphia, PA Until 8/23/2026 3+ years exp First posted May 9, 2026 Last posted May 9, 2026
Job description

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.

Legend Biotech entered into a global collaboration agreement with Johnson & 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.

Legend Biotech is seeking a Scientist, In Vivo CAR-T Pipeline as part of the Research and Development team based in Philadelphia, PA.

Role Overview

Legend Biotech is a global leader in the development of innovative cell-based therapies. We are seeking a highly motivated Scientist to join our growing in vivo CAR-T development team. This role provides the opportunity to make a direct scientific impact by advancing our in vivo CAR-T platform from early discovery through preclinical development.

The successful candidate will bring deep technical expertise in cell&gene therapy, along with a strong foundation in immunology and virology. You will work in a highly collaborative environment alongside research and early development teams to translate novel scientific concepts into robust therapeutic candidates. This role requires scientific rigor, hands-on execution, intellectual curiosity, and the ability to thrive in a fast-paced research setting.

This is a fully onsite, lab-based position located in Philadelphia, PA.

Key Responsibilities

  • Design, plan, and execute experimental studies to advance cell and gene therapy platforms and pipeline programs.
  • Conduct and analyze in vitro and in vivo studies to assess product potency, efficacy, and safety.
  • Develop, optimize, and troubleshoot experimental assays, including:
    • Cell line engineering
    • Cell-based functional and cytotoxicity assays
    • ELISA and PCR-based assays
    • High-throughput binder screening
    • Viral vector packaging and titration
    • Analyze and interpret complex datasets and maintain accurate experimental documentation.
    • Prepare clear, high-quality reports and presentations and communicate findings to internal research and cross-functional teams.

Requirements

  • PhD in Immunology, Cell Biology, Molecular
  • OR Master’s degree with 3–6+ years of relevant experience
  • Hands-on experience in immunology, cell therapy, gene therapy, or related fields
  • Experience with viral vector systems (especially lentivirus) is highly preferred
  • Industry or postdoctoral experience is a plus

#Li-JR1

#Li-Onsite

The base pay range below is what Legend Biotech USA Inc. reasonably expects to offer at the time of posting. Actual compensation may vary based on experience, skills, qualifications, and geographic location. The company reserves the right to modify this range as needed and in accordance with applicable laws.

Other Types of Pay: Performance-based bonus and/or equity is available to employees in eligible roles.

Benefits and Paid Time Off: Medical, dental, and vision insurance as well as a 401(k) retirement plan with a company match that vests fully on day one. We offer eight (8) weeks of paid parental leave after just three (3) months of employment, and a paid time off policy that includes vacation time, personal time, sick time, floating holidays, and eleven (11) company holidays. Additional voluntary 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 voluntary 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.

Pay Range (Base Pay):
$96,267$126,351 USD

Please note: These benefits are offered exclusively to permanent full-time employees. Contractors are not eligible for benefits through Legend Biotech.

Work Authorization & Employment Eligibility

Applicants must be authorized to work in the United States. As part of our commitment to maintaining a lawful workforce and ensuring compliance with federal employment regulations, we participate in the E-Verify program. If you are selected for employment, you will be required to complete the Form I-9 process, and your employment eligibility will be verified through E-Verify in accordance with applicable federal law. We are committed to providing a fair, transparent, and welcoming hiring experience for all candidates.

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.

For information related to our privacy notice, please review: Legend Biotech Privacy Notice.

Compensation (from employer):
Pay Range (Base Pay): — 96,267 – 126,351 USD

About this role

Summary

Design and conduct experiments to develop and optimize in vivo cell and gene therapy platforms.

Job title

Scientist, In Vivo CAR-T Pipeline

Experience level

3+ years or PhD

Minimum experience

3+ years exp

Industry

biotechnology

Location requirements

onsite in Philadelphia, PA, no remote work allowed

Salary

$96k–$126k

Management role

No

Skills & keywords

Required skills

cell line engineeringcell-based assayscytotoxicity assaysELISAPCRviral vector systems

Preferred skills

lentiviruspostdoctoral experience

Specializations

cell therapyimmunologyvirologygene therapyviral vectors
Locations

Structured locations inferred from the posting.

Philadelphia, PA, USA

On-site City