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Manufacturing Technician

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.


C3 is currently recruiting for the position of Manufacturing Technician, whose primary responsibility will be to assemble and maintain AcuSyst and AutovaxID instruments, along with manufacturing complex, single-use disposables.  We are looking for individuals who are willing to gain skills and become flexible, multi-talented members of a growing, fast-paced team.

Ideal candidates will have experience following written and oral instructions very closely, performing repetitive hand and finger-based, and tool-based assembly tasks without losing the crucial ability to maintain close attention to detail.  Have experience doing assembly, testing, repair, calibration of instruments, cabinetry work, circuit boards, and electrical wiring.   They will also be able to double-check their own work to ensure that mistakes are not being made, maintain high efficiency during long work periods, and easily adapt to frequently changing assembly projects.


  • Read and follow required manufacturing documentation, including standard operating procedures, bills of materials, prints and schematics to determine assembly procedures.
  • Stage component parts and materials in a manner that allows for the smooth flow of activities throughout the assembly/manufacturing process per the written procedures.
  • Assemble components of instruments using electronic and mechanical test and manufacturing equipment, hand tools, gauges and air tools.
  • Prepare disposables components including: washing/cleaning parts, cutting tubing, bonding various components, building fitting and tubing subassemblies, and joining subassemblies into complex final assemblies using hand tools, small power tools, and custom fixtures.
  • Perform quality checks consistent with operator quality instructions, including inspections and pressure-checks.
  • Adhere to company standards and QSR regulations.  Maintain equipment and work areas in a clean and orderly manner, wear all safety equipment as specified and directed, and follow all safety procedures. 
  • Work with inventory, quality, and engineering personnel during the manufacturing process as needed.
  • Other duties, as assigned.


  • Ability to uphold the strict necessity to follow instructions and procedures without deviating from them without authorization from the immediate supervisor.
  • Ability to work with minimal supervision, yet know when to seek instructions.
  • Strong mechanical aptitude, organizational skills, and attention to detail are required.  Must be able to use various hand tools, small power tools, and fixtures.  Must possess good manual dexterity and strength for precisely coordinated movements of the fingers of one or both hands to grasp, manipulate, and assemble small objects, and be willing to perform repetitive tasks for long periods of time.
  • Experience in building devices in proper sequence per drawings, written procedures and oral instructions, including the ability to identify and correct quality issues during the assembly process, is required.
  • Ability to understand electronic circuit diagrams in order to perform basic board-level component troubleshooting.
  • Must be able to document activities, maintain accurate records, and perform basic computer tasks. 
  • Must be able to lift a minimum of 40 pounds.
  • Ability to maintain confidentiality at all times.


  • Most duties are performed in manufacturing assembly area, possibly wearing a lab coat and hairnet, potentially with prolonged periods of standing and sitting.
  • Use of computer terminal and other machinery requiring frequent mental and visual attention.
  • The use of hand tools, soldering equipment, and safety gear requiring mental and visual attention is required.
  • Work requires the use of bonding agents including Loctite, silicone adhesive, epoxy, and methylene chloride, and cleaning agents including alcohol, deionized water, and Acationix soap.
  • Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the position.

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