Job Title: Sr Associate Scientist
Location: Foster City, CA, 94404
Work Type: Onsite (Lab-based, 5 days/week)
Duration: 12 Months
Position Summary:
We are seeking a highly motivated Sr Associate Scientist to support purification process development activities for biologics during pivotal and commercial development phases. This role is laboratory-focused and supports bench-scale downstream purification development and process characterization studies.
The ideal candidate has strong hands-on laboratory skills, experience with purification process execution, and the ability to troubleshoot and refine experimental methods in a fast-paced development environment.
Key Responsibilities:
Purification Process Development
- Execute purification process development and characterization experiments in support of pivotal and commercial programs
- Perform bench-scale purification studies including chromatography, filtration, and UF/DF as appropriate
- Support resin and membrane lifetime studies, robustness assessments, and process characterization activities
- Collect, analyze, and interpret experimental data in compliance with data integrity expectations
- Author experimental protocols, reports, and maintain high-quality electronic laboratory notebook documentation
Technical Excellence & Collaboration
- Support implementation of new purification technologies, instrumentation, and platform enhancements
- Troubleshoot equipment, materials, and experimental methods to improve robustness and reproducibility
- Maintain a state-of-the-art purification lab, including instrumentation readiness and workflow improvements
- Partner with upstream, downstream, and cross-functional colleagues on development and characterization initiatives
- Adhere to all training, safety, quality, and compliance requirements
Qualifications / Skills / Experience:
- M.S. with 4+ years or B.S. with 6+ years of relevant industry experience in chemical engineering, biochemistry, bioengineering, or related discipline
- Hands-on experience with downstream purification techniques including chromatography and filtration
- Experience with tangential flow filtration, AKTA systems, and UNICORN software is preferred
- Strong experimental execution, data analysis, and documentation skills
- Ability to work both independently and in collaborative, fast-paced environments
- Excellent interpersonal, verbal, and written communication skills
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Spectraforce Technologies
Apr 13, 2026