Senior Scientist

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 Gaithersburg, 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.

How You’ll Make a Difference

As a Senior Scientist, you’ll work closely with a talented team of protein engineers and scientists to identify, produce, characterize and optimize recombinant proteins for use as therapeutic agents in a variety of oncology indications. Using your creativity, innovation, and expertise in protein engineering, you’ll contribute to building a robust pipeline of potentially life-saving treatments. The work of our Discovery scientists enables everything we do at Arcellx; this role will have a tremendous impact on our company’s success and ability to deliver novel and effective drugs to patients.   

The “Fine Print” – What You’ll Do

• Collaborate with other scientists to design, generate and characterize recombinant proteins, including CAR T-cell and other biopharmaceutical products.
• Develop and execute selection and screening strategies using phage, yeast and mammalian display.
• Evaluate existing and emerging technologies, techniques and tools to drive innovation, enhance products and streamline discovery workflows.
• Independently plan, design, execute, record, and analyze experiments.
• Summarize and present data in internal meetings and discussions.

Skills and Experience We Look For

• PhD in the life sciences (e.g., biochemistry, chemistry, chemical engineering, biology, immuno-oncology) with a minimum of 2 years post-degree experience.
• Extensive experience in the design, characterization and optimization of recombinant proteins (from bacteria, yeast, or mammalian systems), particularly for use in biopharmaceutical applications.
• Experience in the design and execution of selection and high-throughput screening strategies, utilizing phage display (or a related display method).
• Experience utilizing and developing appropriate methods for assessment of protein-protein interactions (e.g. ELISA, BLI, SPR, flow cytometry).
• Experience in oncology and immunology is desired. Industry experience is preferred.

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.