Sr. Manufacturing Associate, Upstream

Senior Manufacturing Associate – Upstream

The Senior Manufacturing Associate – Upstream is an experienced, GMP-qualified contributor within the Cell Culture/Manufacturing group at the Bionova Scientific Fremont site. This role independently executes complex upstream unit operations, serves as a subject matter expert (SME) and trainer for junior staff, and takes a leading role in troubleshooting, investigations, and continuous improvement initiatives. The Senior Manufacturing Associate is expected to work with minimal oversight, exercise sound technical judgment, and support the Manufacturing Supervisor/Lead in day-to-day floor operations, scheduling, and cross-functional coordination.

Location - Fremont, California

Full time

Essential Duties and Responsibilities

• Independently executes and oversees complex upstream unit operations, including media/solution preparation, cell culture thaw and expansion, single-use and stainless-steel bioreactor operation, in-process sampling, process monitoring, and harvest with minimal supervision.
• Serves as a qualified trainer and GMP floor SME; trains, mentors, and evaluates competency of Manufacturing Associates on unit operations, equipment, and documentation practices.
• Leads or provides significant technical support for equipment troubleshooting, deviation investigations, root cause analysis, and CAPA implementation on the manufacturing floor.
• Authors, reviews, and approves GMP documentation, including batch records, SOPs, technical protocols/reports, risk assessments, and training materials; performs peer/QA-facing review of executed batch records for accuracy and compliance.
• Supports non-GMP pilot-scale and tox material generation campaigns as needed to support process development and client timelines.
• Evaluates and recommends new technologies, equipment, and process improvements to enhance operational efficiency, capacity, and cell culture capability; leads or contributes to continuous improvement/Lean initiatives.
• Assesses the impact of issues, deviations, and non-conformities on product quality, safety, efficacy, and project milestones; escalates appropriately and drives resolution.
• Contributes to quality system activities, including authoring/leading deviations, CAPAs, and change controls, and participating in internal and client/regulatory audit readiness and walk-throughs.
• Coordinates material and consumable needs, equipment readiness, and scheduling with Manufacturing Supervisors/Leads to support production schedules.
• Maintains own GMP training compliance and acts as a resource for interpreting and clarifying SOPs and cGMP/cGDP requirements for the team.
• Maintains cleanroom standards, aseptic technique, and housekeeping in accordance with site SOPs; models and reinforces GMP behaviors on the floor.
• Performs other duties as assigned to ensure appropriate manufacturing and compounding practices.

Working Conditions

• This position works in a cleanroom/manufacturing and office environment. The role requires walking, standing, stooping, kneeling, bending, and crouching for extended periods.
• Must be able to meet requirement of wearing PPE and work within a controlled/cleanroom environment and occasionally lift and/or move up to 20–25 pounds independently.
• Flexibility with work hours to meet production schedules, including evenings, weekends, and holidays, as business needs require.

Qualifications

• Bachelor's degree in Life Sciences, Biotechnology, Chemical/Biochemical Engineering, or related field with 3–5 years of relevant biopharma manufacturing experience; OR Associate's degree with 5+ years of directly relevant experience; equivalent combinations of education and experience will be considered.
• Demonstrated hands-on experience with single-use and/or stainless-steel bioreactor operations (e.g., seed train, production bioreactors) in a GMP environment.
• Strong working knowledge of mammalian cell culture principles, upstream process performance, and troubleshooting.
• Solid understanding of cGMP and cGDP requirements as they apply to manufacturing documentation, deviations, and change control; prior experience supporting audits preferred.
• Experience authoring and/or executing…