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Process Engineer I/II Cell Process Dev. & MST

Arcellx Inc
Gaithersburg, MD
  • Expired: over a month ago. Applications are no longer accepted.
Job Description

Arcellx ( is a clinical-stage biotech company headquartered in Gaithersburg, MD and Redwood City, CA. Arcellx is focused on the development of novel cell-based cancer therapies. A team of biotechnology professionals with expertise in biologics, discovery and tumor immunology incorporate proprietary technologies into genetically engineered human immune cells therapies. Arcellx’s mission is to advance humanity by engineering cell therapies that are safer, more effective, and more broadly accessible.

Primary Objective:

Key contributor to the development of phase-appropriate manufacturing processes for Arcellx cell therapy products. The candidate will bring to the role a good understanding and expertise with cellular bioprocessing technologies, manufacturing, process development, and technical transfers. The candidate will be a highly motivated engineer/scientist with good laboratory skills, who will work on cell processes GMP adaptation, process characterization, unit operation research, technology transfer to CMOs, data tracking and trending, and management of process technical documents. The successful candidate will be working across functional areas such as research, development, clinical, and manufacturing to produce cellular therapeutics for the Arcellx portfolio.

Main Accountabilities:

The main responsibilities will include but are not limited to:

  • Organize, plan, and execute laboratory experiments to support cell culture processes development and GMP processes transfer activities to enable clinical manufacturing.
  • Work with process development scientists on cell processes GMP adaptation
  • Participate in Technical Transfers to CMOs and provide manufacturing science and technology support to ensure robust production in GMP environment
  • Review batch records, SOPs, raw material specifications, development reports and GMP protocols at Arcellx and CMOs
  • Participate in manufacturing deviations investigations
  • Support the change control and the change management of different process versions and comparability assessments for process changes.
  • Critically analyze process data and author technical reports and standard operating procedures
  • Summarize and present data in group meetings and contribute to group discussions
  • Maintain accurate and detailed laboratory notebook and documentation
  • Participate in management of laboratory equipment and supplies
  • Work independently as well as with other team members to perform and troubleshoot experiments or assay performance
  • Contribute to relevant CMC sections of IND/BLA and other regulatory documents.

Preferred Qualifications:

  • Process Engineer I: BS in Chemical, Biological, Biomedical or Biochemical Engineering with 8-10 yrs. of relevant experience, MS with 5-7 yrs. of relevant experience, or PhD with 0-3 yrs. of relevant experience
  • Process Engineer II: BS in Chemical, Biological, Biomedical or Biochemical Engineering with 10+ yrs. of relevant experience, MS 7+yrs of relevant experience, or PhD with 3+ yrs. of relevant experience
  • Strong engineering, scientific and operational background in implementation of bioprocess unit operations and aseptic cell culture.
  • Strong understanding of process development, technical transfer, and GMP requirements.
  • Experience with T or B-cell cultures is a plus


  • Detail oriented, good documentation practices, technical writing, and verbal communication skills
  • Must have strong organizational skills and an ability to handle track and execute multiple priorities
  • Possess strong problem solving and analytical skills and be an independent and creative thinker.
  • Ability to navigate and be successful in a fast-paced, highly matrixed work environment.
  • Highly motivated, with willingness to acquire new skills and ability to learn quickly
  • Strong engineering/scientific understanding, and ability to apply knowledge to process development
  • Possess strong problem solving and analytical skills and be an independent and creative thinker
  • Ability to navigate and be successful in a fast-paced, highly matrixed work environment.
  • Interpersonal and leadership skills to work with teams in different functions and organizations

Submit cover letter and resume to:

Without exception, applicants must submit both a cover letter and resume to be considered for these positions and must have experience in one of the fields listed above.

Arcellx Inc


Gaithersburg, MD
20878 USA



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