Join our team:Willow Biosciences now part of Mycofeast Ltd. is a leading biotechnology company focused on revolutionizing industrial manufacturing of pure consistent and sustainable develops and produces highpurity ingredients for personal care food and beverage and pharmaceutical markets. Willows team has a proven track record of developing and commercializing biobased manufacturing processes and products to benefit our B2B partners and their customers.
Job Title: Associate Scientist / Scientist Fermentation R&D
Job Summary: We are seeking a driven and detailoriented Fermentation Associate Scientist or Scientist to join our dynamic and collaborative R&D team. This role is ideal for someone with handson experience in microbial fermentation who is eager to contribute to process development and optimization in a fastpaced biotech environment. The scientist will support the design execution and analysis of fermentation experiments contribute to crossfunctional project teams and play a key role in scaling processes from bench to pilot and manufacturing scale. This position offers significant opportunities for professional growth and crossdisciplinary collaboration.
Key Responsibilities:
- Design and execute fermentation experiments aimed at improving titer yield and productivity.
- Collaborate closely with strain engineering analytical and chemistry teams to inform strain selection and development.
- Support media optimization strategies to enhance microbial performance and process economics.
- Contribute to the development of technoeconomic models (TEA) and identify costreduction opportunities at scale.
- Analyze large datasets interpret results and communicate findings clearly to project teams.
- Maintain lab notebooks prepare technical reports and draft SOPs in compliance with internal standards.
- Participate in the operation calibration and routine maintenance of fermentation equipment.
- Work with external partners (CROs and CMOs) to support process transfer and scaleup.
- Provide mentorship to junior team members and support a collaborative safetyconscious lab environment.
Required Skills & Qualifications:
- Solid foundation in microbial fermentation biochemical processes and process development.
- Proficient in operating and troubleshooting benchscale bioreactors including fedbatch and highcelldensity fermentations.
- Experience with data analysis tools such as JMP or Python; familiarity with process monitoring and statistical analysis.
- Understanding of downstream processing (e.g. centrifugation filtration homogenization) is a plus.
- Effective written and verbal communication skills; strong organizational and documentation practices.
- Ability to work both independently and as part of a multidisciplinary team; adaptable to evolving project needs.
- Familiarity with LIMS (such as Benchling) and automation tools is advantageous.
Education & Experience:
- B.S. with 5 years of industry experience M.S. with 3 years of industry experience or Ph.D. in Chemical Engineering Biochemical Engineering Microbiology Biochemistry or related field.
- Prior experience working with a range of fermentation scalesfrom microtiter plates to pilot/manufacturingis preferred.
Employment Details:
- Type: Fulltime Onsite
- Location: Sunnyvale CA US
- Travel: Not required
- Work Authorization: Must be authorized to work in the U.S.
Physical Requirements:
- Ability to perform repetitive tasks using hands and wrists.
- Prolonged periods of standing pipetting and working at a bench.
- Compliance with lab safety practices and PPE usage (lab coat gloves safety glasses).
Compensation & Benefits
- Competitive salary package
- Generous PTO and company holidays
- Comprehensive medical dental and vision insurance
- Life AD&D short and longterm disability insurance
- 401(k) retirement plan management
Equal Opportunity Employer:Willow Biosciences is an equal opportunity employer. We are committed to creating an inclusive environment for all employees. We do not discriminate based upon race religion color gender sexual orientation gender identity age status as a protected veteran status as an individual with a disability or any other applicable legally protected characteristics. All employment is decided based on qualifications merit and business need.
Required Experience:
IC