Senior Bioprocess Research Associate

Pendulum Therapeutics; San Francisco (CA); On-site; USD 111,000 - 124,000; Full time

Benefits offered by this job

Medical coverage

Dental coverage

Vision coverage

Commuter benefits

Life & STD Insurance

401(k) match

Flexible PTO

Equity

Job summary

Pendulum Therapeutics is seeking a Senior Research Associate (or Staff Research Associate) to join our Product Development team. The role emphasizes fermentation operations and flow cytometry, supporting anaerobic probiotic strain production, quality control, and exploratory lab work.

Strong aseptic and anaerobic techniques are required. We value individuals who thrive in a fast-paced, collaborative environment and enjoy shaping a young brand from the ground up.

Qualifications

• B.S. with 4+ years experience post graduation or MS
• Expert in aseptic and anaerobic bacterial growth; able to operate bioreactors (e.g., DASGIP) independently
• Expert in flow cytometry for live/dead bacterial classification
• Proficient in basic anaerobic microbiology and sterile technique
• Able to work independently in a fast-paced, cross-functional team
• Experience drafting SOPs and tracking lots in LIMS or similar
• Comfort handling human/animal samples (stool, skin, blood)
• Detail-oriented with strong presentation skills
• Proficient with MS Office, Google apps, basic data analysis and AI tools
• Experience with shelf-life and stability testing is a plus

Responsibilities

• Operate DASGIP bioreactor systems for anaerobic probiotic strain fermentation with sterile setup and monitoring
• Lead and manage design of experiments for anaerobic fermentation
• Run and analyze flow cytometry assays for strain QC and process development across multiple projects
• Become a subject matter expert in flow cytometry
• Maintain rigorous aseptic and anaerobic techniques across fermentation and microbiology work
• Manage assay workflows, draft protocols, and support daily lab operations
• Collaborate with cross-disciplinary teams on design, execution and data analysis
• Stay current with microbiology literature

Skills

DASGIP

Anaerobic fermentation

Flow cytometry

Sterile technique

Documentation & SOPs

Lab management systems

Data analysis

Education

BS+4 years / MS

Tools

Aseptic techniques

Job description

Pendulum Therapeutics is seeking a Senior Research Associate (or Staff Research Associate) to join our Product Development team. The role emphasizes fermentation operations and flow cytometry, supporting anaerobic probiotic strain production, quality control, and exploratory lab work.

Strong aseptic and anaerobic techniques are required. We value individuals who thrive in a fast-paced, collaborative environment and enjoy shaping a young brand from the ground up.