Lead Upstream Scientist, LVV Vector Biology

Initial Therapeutics, Inc.

Philadelphia (Philadelphia County)

On-site

USD 146,410 - 192,164

Full time

14 days+
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Benefits offered by this job

Medical, dental, vision insurance
401(k) with company match
Paid parental leave

Job summary

Legend Biotech seeks a Principal Scientist, Upstream Vector Biology, to lead early LVV upstream development in Philadelphia, driving design through scalable bioreactor manufacturing. You will bridge construct-level design with upstream process outcomes and partner with Downstream, Analytical, and Tech Development teams to ensure end-to-end process coherence for IND-enabling programs.

The role requires deep molecular biology and bioprocess engineering expertise, DoE acumen, and independent

Qualifications

  • MS or PhD with relevant industry experience in upstream vector development.
  • Hands-on viral vector production and upstream development.
  • Experience translating early processes to manufacturable platforms.
  • Experience with DoE and risk-based decision frameworks.

Responsibilities

  • Lead early LVV upstream development and process optimization.
  • Design and execute seed train and bench-scale to scalable bioreactor studies.
  • Collaborate with Downstream and Analytical teams to ensure end-to-end process coherence.
  • Prepare data packages and stage-gate presentations for leadership.

Skills

Viral vector production
Upstream process development
Mammalian suspension culture
Bioreactor operations (50 L)
DoE and multivariate analysis
Scientific data interpretation

Education

MS degree in Bioengineering/Cell Biology/Chemical Engineering
PhD with molecular biology/virology foundation

Tools

Bioreactor systems (up to 50 L)
Tangential flow filtration

Job description

Legend Biotech seeks a Principal Scientist, Upstream Vector Biology, to lead early LVV upstream development in Philadelphia, driving design through scalable bioreactor manufacturing. You will bridge construct-level design with upstream process outcomes and partner with Downstream, Analytical, and Tech Development teams to ensure end-to-end process coherence for IND-enabling programs.

The role requires deep molecular biology and bioprocess engineering expertise, DoE acumen, and independent

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