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Production Associate I

Cell Culture Company (C3) is a contract development and manufacturing organization (CDMO) focused on custom protein production for therapeutic and diagnostic industries. C3 also manufactures, distributes and services AcuSyst perfusion bioreactor systems.

Our advantage is our ability to deliver the highest levels of quality while reducing financial risk and increasing speed to market for our customers. Our employees are experts in cell culture, purification, and quality control. C3 has serviced 1,700+ organizations globally.

Located in Minneapolis, Minnesota, C3 is headquartered at a 33,000-square foot facility that houses corporate offices, bioreactor manufacturing operations, a GMP-compliant custom mammalian and protein production space, and a distribution center.


The Production Associate I will perform cell culture of mammalian cell lines and assist with downstream processing of monoclonal antibodies and recombinant proteins from cell culture based solutions. 

Successful candidates will be proficient in basic laboratory skills and aseptic technique.  Cell culture and protein purification experience is preferred.  This individual must be versatile and able to contribute to interdepartmental projects.  The Production Associate I will work with individuals in other departments within the C3 organization to accomplish short and long-term goals.  Occasional weekend work is required.


  • Perform small and large scale GMP/GLP cell culture and other laboratory work to support both client and in-house production, development, and validation projects. 
  • Assist with downstream processing and purification of protein from cell culture based solutions.
  • Prepare solutions.
  • Execute equipment qualification protocols
  • Maintain lab equipment as directed.
  • Accurately document all work in a clear and concise manner according to cGMP.
  • Draft SOPs, specifications and other documents as directed. 
  • GMP manufacturing in clean-room suite.
  • Follow company policies and practices.
  • Occasional weekend work is required.
  • Perform additional duties as assigned.


  • Experience working in a GMP/GLP laboratory environment.  Ability to maintain accurate documentation according to GMP guidelines.
  • Direct experience performing mammalian cell culture is preferred.
  • Knowledge of purification and processing techniques.   Hands on experience preferred.
  • Must have ability to solve problems, think critically, make decisions, remain organized, multi-task, manage time, plan and accomplish goals.  Must be able to maintain a sense of urgency necessary to meet goals and deadlines.
  • Proficiency in Microsoft Office software.


  • Standard laboratory environment time- 70%
  • Office time- 30%
  • Clean room time – varies by project
  • Lifting requirements-  up to 40 pounds
  • Must be able to perform duties fully gowned (booties, gown, face mask, safety glasses and gloves) for 2-4 hours at a time.
  • Small office conditions with standard office equipment: computer, copier, fax and phone.
  • Weekend or other non-standard work hours are occasionally required due to project demands.

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