Analytics/Bioprocess Technician

Willing to join an innovative leader in the field of cell line development? Selexis (Geneva, Switzerland) is currently seeking a talented Analytics/Bioprocess Technician to join our dynamic teams and help the development of recombinant mammalian cell lines. You will play an active role in the expression and characterization of proteins in a cross-functional team environment.

Selexis SA, A JSR Life Sciences Company, is the global leader in cell line development with best-in-class modular technology and highly specialized solutions that enable the life sciences industry to rapidly discover, develop and commercialize innovative medicines and vaccines. Our innovative cell line development technologies significantly reduce the time, effort, and costs that are associated with developing high-performance mammalian cell lines used for innovative therapies.  (e.g., MAbs, growth factors, and enzymes).

Position overview:

This position will be shared between two departments, Analytics and Bioprocess, depending on internal workload needs:

  • Under the supervision of staff analytic engineers you will :
    • Understand and execute analytical procedures with a specific focus on routine testing
    • Understand protein sample type and format, purpose of test assay and be capable to design appropriately
    • Develop the ability of trouble shooting and problem solving with scientific guidance


  • Under the supervision of staff bioprocess engineers you will:
    • Prepare cell samples to be evaluated (cell thawing, counting, passaging…)
    • Execute fed-batch runs in controlled environment (Ambr15, bench-top scale bioreactors)
    • Identify technical issues and find solutions under limited supervision
    • Participate in weekend call-outs and operate at distance or on site if necessary


General Requirements:

  • Direct experience with basic and advanced analytical procedures (ELISA, SDS-PAGE, western-blot, iCIEF, CE-SDS, SEC-HPLC, Protein A HPLC…)
  • Prior experience with basic mammalian cell culture procedures
  • Computer skills and familiarity with data acquisition, graphing and analysis
  • Capacity to generate, manage, analyze and maintain critical data
  • Ability to work independently and as part of a team
  • Capable of managing workload based on changing priorities
  • Understand project complexity and timelines
  • Strong work ethic and attention to details


A plus…

  • Strong experience in ELISA design and troubleshooting for complex proteins
  • Prior experience in Ambr15 and/or lab scale bioreactors
  • Experience in Cell Culture process
  • Capacity to implement new methods and technologies


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