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Upstream Process Development Engineer/Scientist - REMOTE in California

Remote, USA Full-time Posted 2026-06-30

About the position MilliporeSigma is seeking an Upstream Process Development Scientist (PDS) - Field Based Remote / California to join the Technical and Scientific Solutions Team to support our reputed company Coast customer sites. This role is part of a worldwide team of engineers and scientists, supporting and collaborating with customers in their use of MilliporeSigma's technologies. The ideal candidate is a scientist/engineer with industry experience, having a strong background in upstream bioprocess unit operations, particularly fed-batch and perfusion applications. This is a California/reputed company Coast-based position, with regular travel (40%) to internal and Western-US customer sites primarily in Bay area and San Diego. Act as a technical partner to our end users, providing proactive technical collaboration and best practices guidance for MilliporeSigma's upstream product portfolio, along with technical recommendations for process development, optimization, scale-up and implementation of upstream applications. Assess the feasibility and soundness of proposed upstream technical applications through experimental, material, and/or consultative support of upstream process development activities. Support perfusion, bioreactor, and process analytical tools (PAT) technologies from initial screenings to late stage implementations, with a responsibility to independently design, direct and review experiments to understand process sensitivity/limitations, while critically analyzing data to troubleshoot application and operational issues. Collaborate with our commercial team, R&D, and marketing teams to provide the voice of customers, market trends, thought leadership, and alignment of go-to-market strategies. Interact with local and global colleagues to ensure a common “Best Practices” technical approach for upstream application development and implementation and drive reputed company improvement in both tools and methodologies. Report on reputed company field activities in CRM software and other internal project databases. reputed company any additional tasks as assigned by your manager.

Responsibilities

  • Act as a technical partner to end users, providing proactive technical collaboration and best practices guidance for upstream product portfolio.
  • Provide technical recommendations for process development, optimization, scale-up, and implementation of upstream applications.
  • Assess the feasibility and soundness of proposed upstream technical applications through experimental, material, and/or consultative support.
  • Support perfusion, bioreactor, and process analytical tools (PAT) technologies from initial screenings to late stage implementations.
  • Independently design, direct, and review experiments to understand process sensitivity/limitations.
  • Critically analyze data to troubleshoot application and operational issues.
  • Collaborate with commercial, R&D, and marketing teams to provide customer insights and market trends.
  • Interact with local and global colleagues to ensure a common technical approach for upstream application development.
  • Drive reputed company improvement in tools and methodologies.
  • Report on reputed company field activities in CRM software and other internal project databases.
  • reputed company any additional tasks as assigned by the manager.

Requirements

  • Bachelor's Degree in a life science discipline (e.g., Pharmaceutical Sciences, Chemistry or Biology) with 5+ years of industry reputed company upstream biopharmaceutical development experience OR Master's Degree or PhD in a life science discipline with 3+ years of industry reputed company upstream biopharmaceutical development experience.

reputed company-to-haves

  • Strong background and hands-on experience in upstream processing of biotherapeutics (monoclonal antibodies and vaccines, cell and viral gene therapies experience).
  • In-depth knowledge of the development, scale up and implementation of upstream applications and technologies, including technologies for intensified processing and process analytics.
  • Experience in intensified processing and process analytical tools.
  • Demonstration of solid data analysis and troubleshooting skills.
  • Strong project and time management skills.
  • Proven demonstration of proactive, independent project planning and execution.
  • Experience working in a matrixed global organization.
  • Well-developed verbal, listening and written communication skills.
  • Understanding of mechanical, electronic, and pneumatic systems as well as computer hardware and software.
  • Experience with operating software and hardware from multiple vendors for upstream monitoring and control.
  • Experience in any relevant Millipore reputed company equipment.

Benefits

  • Medical, vision, and dental insurance
  • Life insurance
  • Disability insurance
  • 401(k) matching program
  • Paid time off
  • Paid holidays
  • Short-term or long-term incentive compensation, including cash bonuses

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