Sr. Staff Scientist - Protein Sciences R&D
Twist Bioscience · USA - South San Francisco, CA
Posted 19 days ago
or apply directly on Twist Bioscience's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 19 days Twist Bioscience's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of Twist Bioscience's roles list one
- Ghost-job risk at Twist Bioscience
- high 19 stale, 1 reposted of 38 open
- Hiring momentum
- 55 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Twist Bioscience's own greenhouse board since 2026-08-03. Full hiring picture for Twist Bioscience.
About this role
The Sr. Staff Scientist in Protein Sciences R&D will lead the development and enhancement of antibody production workflows, focusing on various formats and purification methods. This role involves both hands-on experimentation and team leadership, requiring the candidate to design and execute experiments while managing a growing team. The position emphasizes a strong technical background in antibody biology and the ability to innovate and improve existing workflows.
- benefits
- 2/5
- freshness
- 4/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Twist Bioscience as an employer.
What you need
- PhD in Cell Biology, Biochemistry, or a closely related field
- 8+ years of experience in protein sciences
- Deep hands-on experience designing, expressing, and optimizing monoclonal antibodies
- Proven experience with bispecific antibody architectures
- Hands-on experience with antibody characterization methods
- Demonstrated ability to build, improve, and standardize antibody generation workflows
Nice to have
- Strong understanding of transient vs stable expression tradeoffs
- Experience improving expression yields and product quality through sequence, vector, and host engineering
- Experience developing high-throughput or semi-automated workflows
- Strong understanding of platform robustness, reproducibility, and cost drivers
- Experience generating and optimizing stable mammalian cell lines
What you get
- Base salary range of $180,000 — $232,000 USD
- Eligible for bonus and equity
- Generous benefits package
Worth weighing
- Travel 10% of the time to Portland, OR
- No specific mention of remote work options or flexibility
- Compensation may vary based on multiple factors, including location
- Experience with liquid-handling systems and automation is a plus but not required
Summarised from Twist Bioscience's posting. Read the full original.
Listed by Twist Bioscience on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
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