Careers at ThermoFisher Scientific

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US - Missouri - St. Louis
Job Description

Essential Functions:

  • Designs experimental plans based on the defined deliverables.
  • Conducts moderately complex analyses to support process development. Works with Process Development and Manufacture groups to trouble-shoot process challenges.
  • Records results in notebook accurately, clearly, and regularly.
  • Maintains and ensures safe laboratory environment and work practices.
  • Prepares protocols, reports, and test methods and writes SOPs.
  • Executes appropriately record and evaluates experimental data, including the writing and revising of process development reports and technology transfer protocols as needed.
  • Remains current in the field by review of relevant scientific literature and attendance at appropriate scientific seminars and conferences.
  • Designs and develops mammalian cell culture processes to support the production and manufacturing of recombinant proteins (including mAbs) under varying levels of direction, including, but not limited to cell culture scaleup, media development, harvest (recovery) process development, process range finding, and statistical analysis of data. Performs media optimization, bioreactor process development, and cell culture clarification.


Bachelor's degree or Master’s degree in biology, chemistry, biochemistry, chemical engineering, or a related field.


  • With Bachelor’s degree, minimum of 5 years of experience related to pharmaceutical manufacturing, process development. Experience using design of experiments (DoE) software (i.e. MiniTab, JMP) preferred.
  • With Master’s degree, 3 years of experience related to pharmaceutical manufacturing, process development. Experience using advanced statistical software packages and experience using design of experiments (DoE) software (i.e. MiniTab, JMP) preferred.
  • Prior experience with bioreactors required.
  • Prior Upstream Process Development experience required.
  • Must have mammalian cell culture experience in industry.


  • Working knowledge of GMP/ GLP regulations in cGMP/ cGLP manufacturing environment.
  • Excellent problem solving and critical thinking skills.
  • Solid writing, communication and presentation skills.
  • Strong MS Excel, PowerPoint and Word skills.
  • Excellent organization and planning skills.
  • Strong attention to detail and ability to adhere to standards procedures.
  • Ability to design and execute tasks and studies based on the deliverables.
  • Ability to analyze and summarize complex scientific data.
  • Ability to create reports.
  • Ability to function in a rapidly changing environment.
  • Strong attention to detail and ability to adhere to standards procedures.
  • Ability to read, analyze, and interpret general business periodicals, professional journals, technical procedures, or governmental regulations.
  • Ability to speak effectively before groups of customers and employees.
  • Ability to make decisions that require choosing between limited alternatives to resolve complex problems.
  • Ability to perform all required process steps.
  • Ability to apply complex mathematical concepts to physical problems in areas.
  • Ability to lead and mentor less experienced staff.

Physical Requirements:

Position requires ordinary ambulatory skills and physical coordination sufficient to move about office locations; ability to stand, walk, stoop, kneel, crouch periodically for prolonged periods of time; manipulation (lift, carry, move) of light to medium weights of 10-35 pound pounds; arm, hand and finger dexterity, including ability to grasp and type for prolonged periods of time; visual acuity to use a keyboard, computer monitor, operate equipment, and read materials for prolonged periods of time; ability to sit, reach with hands and arms, talk, and hear for prolonged periods of time. Lift objects up to 50 lbs. to a cart and push cart short distances on a regular basis. Stand up to 50% daily. Walk within lab and between buildings daily. Repetitive hand motions.


This job description is intended to present the general content and requirements for the performance of this job. The description is not to be construed as an exhaustive statement of duties, responsibilities, or requirements. Managers and supervisors may assign other duties as needed.

Nothing contained herein should be construed to create an employment contract. Occasionally, required skills/experiences for jobs are expressed in brief terms. Any language contained herein is intended to fully comply with all obligations imposed by the legislation of each country in which it operates, including the implementation of the EU Equality Directive, in relation to the recruitment and employment of its employees.

Thermo Fisher Scientific is an EEO/Affirmative Action Employer and does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability or any other legally protected status.
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