Bioprocess Engineer - Hands-on Lab to Scaleup Biocatalysis

Rubi Laboratories, Inc.; Alameda (CA); On-site; USD 85,000 - 105,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Equity opportunity

401K with company match

Flexible PTO + holidays

Meal credits

Snacks in-office

Job summary

Rubi Laboratories, Inc. is seeking a Bioprocess Engineer I to join our Alameda, CA headquarters.

You will collaborate with engineers and scientists to execute experiments and support day-to-day operations, helping advance our carbon-negative materials and scale production for global brands. The role offers hands-on bioprocessing experience in a fast-paced startup, with opportunities to contribute to enzyme platform development and process optimization.

Qualifications

• 2+ years of industry experience in bioprocess/biocatalysis
• Bioreactor or biocatalysis process operation (setup, cleaning, running)
• Filtration (TFF/depth/membrane) with proteins
• Protein handling and purification fundamentals
• Comfort with process-heavy, hands-on engineering work

Responsibilities

• Execute hands-on experiments in the lab
• Set up, clean and operate bioreactors
• Perform homogenization (cell disruption)
• Conduct Western blots and routine protein/enzyme analytics
• Assist process scale-up to thousands of liters (1,000L+)

Skills

Bioprocess engineering

Hands-on lab work

Process troubleshooting

Team collaboration

Education

Bachelor’s degree in Chemical/Bioprocess Engineering

Tools

Bioreactors

Filtration (TFF/depth/membrane)

Protein handling & purification

Job description

Rubi Laboratories, Inc. is seeking a Bioprocess Engineer I to join our Alameda, CA headquarters.

You will collaborate with engineers and scientists to execute experiments and support day-to-day operations, helping advance our carbon-negative materials and scale production for global brands. The role offers hands-on bioprocessing experience in a fast-paced startup, with opportunities to contribute to enzyme platform development and process optimization.