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Astellas Pharma

Scientist II, BioConjugation, Antibody Drug Conjugate

Astellas Pharma, South San Francisco, California, us, 94083

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Scientist II, BioConjugation, Antibody Drug Conjugate Astellas Pharma Inc. is a multinational pharmaceutical company committed to turning innovative science into medical solutions.

Purpose Our research division seeks a Scientist to work on bioconjugation for Antibody‑Drug Conjugates (ADCs), focusing on conjugation and purification of ADC to drive projects in SSF. The role collaborates closely with the Antibody Engineering group to advance our projects.

Essential Job Responsibilities

Perform conjugation and purification to prepare ADCs to support research activities

Design, optimize, and develop CMC‑friendly conjugation processes

Lead the creation of optimal ADC clinical candidates by appropriate conjugation methods

Manage CROs to perform above activities

Actively participate in ADC projects, contributing to team decision‑making through creation of ADCs and the data generated

Serve as an ADC Subject Matter Expert, offering appropriate advice and solutions

Contribute to patents, publications, and technical reports

Qualifications Required

PhD with 2+ years relevant laboratory experience in biologics research

Extensive hands‑on experience with a wide range of conjugation chemistry, including lysine, cysteine, and enzymatic mediated methods

Experience in analytical methods for protein characterization, ideally antibody‑related modalities

Desire and ability to work in a cross‑functional, flexible, and team‑oriented environment

CRO management experience

Well‑balanced communication skills in own language and in English

Preferred

Experience in antibody‑related modality development especially in ADCs

Experience supporting ADC development from discovery to early CMC development

Experience in oncology research

Experience in patent application

Experience in collaborations with external research groups

Working Environment This position is based in SSF and requires on‑site work.

Salary Range $103,600–$162,800 (final compensation determined based on a variety of factors).

Benefits

Medical, Dental and Vision Insurance

Generous Paid Time Off options, including vacation, sick time, and national holidays

401(k) match and annual company contribution

Company‑paid life insurance

Annual Corporate Bonus and Quarterly Sales Incentive for eligible positions

Long Term Incentive Plan for eligible positions

Company‑paid fleet vehicle for eligible positions

Referral bonus program

Astellas is committed to equality of opportunity in all aspects of employment. EOE including disability/protected veterans.

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