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WuXi Biologics (stock code: 2269.HK), a Hong Kong-listed company, is a leading global open-access biologics technology platform offering end-to-end solutions to empower organizations to discover, develop and manufacture biologics from concept to commercial manufacturing. Our company history and achievements demonstrate our commitment to providing a truly ONE-stop service offering and strong value proposition to our global clients. Searching for subject matter expert in potency assay, perform cell culture/banking, qPCR based potency assay, and testing samples train junior scientists in the King of Prussia potency lab and participate in local and regional technical transfer.


  • Perform cell culture, cell banking, sample testing, and equipment maintenance according to requirements of process development labs and ICH guidelines.
  • Perform assay fit for purpose of potency assay.
  • Document completed lab work and results promptly, clearly, and accurately.
  • Prepare presentations and written reports of experimental results and analyses and effectively communicate with internal stakeholders and client.
  • Write and revise analytical methods, testing protocols and reports, and other technical documents.
  • Assist in the lab set-up of the potency lab in King of Prussia, PA.
  • Ability to work in a team environment and independently as required.


  • Must be familiar with qPCR and aseptic technique.
  • Knowledge and expertise in the following fields: Biochemistry and immunology principles and techniques, such as cell thawing, cell culture, cell-based assays, etc.
  • Experience with vaccines/viral testing and biosafety containment levels, preferably BSL-2
  • Demonstrates good understanding of potency assay in the biopharmaceutical/vaccine industry.
  • Experience in a Contract Research Organization (CRO) or Contract Manufacturing Organization (CMO) is preferred, but not required.
  • Limited international travel required
  • Proficiency in English is required.
  • Excellent communications skills (verbal, written, and presentation skills).
  • Good computer skills, including Microsoft Word, Excel, Powerpoint, etc.
  • Good technical writing skills
  • Must be able to work in lab settings with exposure to cells and vaccines/viruses
  • Must be able to wear appropriate PPE
  • Critical thinking, scientific reasoning, and problem solving skills
  • Adapt to changing priorities
  • Organized and detail-oriented

Application Link: https://careers-wuxiapptec.icims.com/jobs/5877/senior-scientist-for-potency-assay/job?mode=view