Who We Are

Arcellx is a public, clinical-stage biotechnology company reimagining cell therapy by engineering innovative immunotherapies for patients with cancer and other incurable diseases. We believe that cell therapies are one of the forward pillars of medicine and our mission is to destroy cancer and advance humanity by developing cell therapies that are safer, more effective, and more broadly accessible.

Our team members are made up of talented innovators and dreamers working from our offices in Rockville, Maryland, and Redwood City, California. At Arcellx, we hire exceptional people and create a fun, diverse, supportive, and informal environment that allows everyone to do their best work.

What Matters to Us

Living our core values is essential to maintaining a work environment that is high-performing, inclusive, and collaborative. We look for candidates who demonstrate strong values alignment and bring different backgrounds, viewpoints, and abilities to the team.

Arcellx Core Values

  • Character: Committed to always doing what’s right.
  • Audacity: Willing to challenge convention and share candid feedback with others.
  • Determination: Curious and self-motivated. Always looking to improve and learn.  
  • Collaboration: "No job is too small" mentality. Humble and willing to help others.
  • Originality: Will bring your unique perspective to the table and respect a diverse set of views and backgrounds.

The “Fine Print” – What You’ll Do

  • Organize, plan, and execute laboratory experiments to support process development activities.
  • Critically analyze process data and author technical reports and standard operating procedures.
  • Assist in design and creation of development plans, contributing to process definition, process lock and optimization of process steps.
  • Summarize and present data in group meetings and contribute to group discussions.
  • Perform cell-based testing to understand cell attributes.
  • Maintain an accurate and detailed laboratory notebook and documentation.
  • Maintain a clean and safe laboratory environment.
  • Participate in management of laboratory equipment and supplies.
  • Troubleshoot and solve technical problems.
  • Work independently as well as with other team members to perform and troubleshoot experiments or assay performance.

Skills and Experience We Look For

  • Bachelor’s degree in chemical engineering, biological engineering, chemistry, or biology related discipline with 0-5+ years of relevant experience, or a master’s degree with 0-3+ years relevant experience (level will depend on years of experience).
  • Experience working in a process development laboratory environment.
  • Good understanding of mammalian cell culture and proficient in aseptic technique.
  • Experience with T or B-cell cultures is a plus.

Rewards at Arcellx

Our people are our greatest asset, and supporting their well-being is an essential part of delivering on our mission and impacting the lives of patients. Putting this belief into practice means offering strong compensation and benefits.

In addition to a competitive base salary, our compensation package includes an annual bonus based on company goals and an equity (RSU) grant. We do offer relocation assistance for roles if required.

Our market-leading benefits package includes: 100% coverage for medical, dental and vision for team members and dependents, unlimited vacation, a 3-day weekend every month, fully-paid parental leave for up to 6 months, tuition reimbursement, 401k employer contribution and more. 

Join us in our quest to reimagine cell therapy and destroy cancer. For more on our technology, culture, and team, go to www.arcellx.com.

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