Associate Scientist, Translational Biomarkers & Bioanalysis

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

• Design and execute high-quality bioanalytical experiments for pre-clinical and clinical studies.
• Implement and optimize bioanalytical workflows, including immuno-assays, cell-based assays and ddPCR.
• Develop and validate bioanalytical assays according to ICH Q2 guidelines.
• Process and analyze clinical samples for PK/PD, ADAs, and biomarker measurements.
• Interpret complex data sets and contribute to clinical development decisions.
• Prepare comprehensive reports and presentations for cross-functional teams.
• Maintain laboratory standards and contribute to equipment and supply management.
• Collaborate with team members to troubleshoot and improve assay performance.

Skills and Experience We Look For

• Bachelor’s or master’s degree in a relevant scientific discipline (e.g., cell biology, molecular biology, immunology).
• 2+ years of experience in biotech or pharmaceutical industry.
• Expertise in immuno-assay methods (MSD, ELISA, Luminex).
• Proficiency in immune cell and molecule analysis.
• Experience with clinical sample handling and analytical method validation.
• Strong analytical and problem-solving skills.
• Ability to work independently and collaboratively in a fast-paced environment.

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.

The base salary range for this position is $74,000 - $80,000 per year. Where a candidate falls within that range is determined by factors such as years of experience. Our compensation package also 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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