30 Oct, 2023

Sr. Process Engineer, Manufacturing Sciences

  • Thermo Fisher Scientific
  • St. Louis, MO, USA
Process Engineer Biochemicals / Pharmaceuticals

Job Description

Job Description


At Thermo Fisher Scientific, our work has a purpose. Our work requires passion and creates meaningful outcomes. Our work matters. We are sharing our expertise and technological advancements with customers, helping them make the world a better place - whether they are discovering a cure for cancer, protecting the environment, or making sure our food is safe.


Location/Division: St. Louis MO - Drug Substance Division


How will you make an impact?  

  • We are searching for a Sr. Process Engineer with education and experience in biopharmaceutical processing or a related field.

  • This member of our team provides technological input in the development, validation, and transfer of manufacturing processes.

  • A Sr. Process Engineer routinely supports the Process Engineering team as technical owners of customer programs in a manufacturing environment and will be highly involved and act as a subject matter expert in defining and shaping Thermo Fisher Scientific’s own technology programs.

  •  This role will collaborate with internally with supervisors/managers and technicians in the Operations department, Quality Assurance, fellow Engineers, and scientists in Process Development and with the client as a Process Engineer program lead or as a Process Engineering subject matter expert.

  • These activities are conducted in projects and involve teamwork with experts across functional groups to ensure project success.  


What will you do?  

  • Draft, review and approve Standard Operation Procedures, and Job Aids and consult internally to ensure scientifically sound and robust procedures.  

  • Collaborate with the process development to develop standardized methodologies and learn/explore/initiate new methodologies for conducting unit operations at the manufacturing scale including cell culture, harvest, and purification.  

  • Contribute to Internal and Customer meetings based upon sound evidence without supervision.  

  • Initiate and lead internal projects and lead client projects and manage timelines with minimal support from supervision.  

  • Actively identify error proofing opportunities and initiate and drive engineering initiatives to improve practices and procedures without supervision.  

  • Provide scientific expertise for GMP deviations by assessing, reviewing and approving the impact of major deviations on both the product quality and the validation of the process or consults the process engineering team and internal teams on product impact.  

  • Initiate and lead changes to equipment and process design, proactively and without supervision. 

  • Consult on non-standard/challenging process design and/or validation strategies.  

  • Draft, review and approve Manufacturing Batch Records, Performance Qualifications, Process Validation protocols, process flow diagrams, automation methods, and Bill of Materials, ensuring the process is technically accurate and designed for Manufacturing. 

  • Draft, review, and approve Process control documents, campaign summary report and process validation reports. 

  • Acts as subject matter expert to troubleshoot design flaws, ensure process design is scientifically sound and robust and within the validated process and regulatory guidelines.  

  • Reviews, analyzes and trends process data without supervision 

  • Provide technical feedback on documents created by other departments, such as Tech Transfer Protocols and SOPs.  

  • Troubleshoot technical challenges on the manufacturing floor as needed for a 24/7 manufacturing facility.  

  • Support our MSAT team with additional tasks to improve the site, ensure patient safety, and deliver for our customers.  

  • Provides development and training for Process Engineers/Scientists. 

How will you get here?  


  • Bachelor’s degree required in a scientific field, preferably an engineering field.  

  • 8+ years of experience in GMP regulated Biologics / Pharma Industry, or equivalent experience (or master's degree in a scientific field + 6 years' experience or Ph.D + 3 years’ experience.). 



  • Follow Environmental, Health and Safety policies and procedures and ensure a safe and healthy workplace environment.  

  • Ability to self-motivate, prioritize work and time.  

  • Demonstrates a foundation in general scientific practices, principles, and concepts.  

  • Writes and communicates effectively.  

  • Ability to work both independently and as part of a team.  

  • Knowledge of current Good Manufacturing Practices and US/EU regulations. 

  • Advanced knowledge of statistical methods used for Pharmaceutical Process Analysis is a plus.  

  • Proficient in Microsoft Word and Excel.  

  • Ability to stand for prolonged periods of time and gown into manufacturing areas.  


Relocation Benefits  

This position does not offer relocation benefits.  


Our Mission is to enable our customers to make the world healthier, cleaner, and safer. Watch as our colleagues explain 5 reasons to work with us. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation, and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation, and support patients in need. #StartYourStory at Thermo Fisher Scientific, where diverse experiences, backgrounds and perspectives are valued.  

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