Accelerating and scaling immune cell engineering

Effective application of innovative technology in biological research requires a collaborative and cross-disciplinary mindset.

We are a diverse group of engineers, scientists, and synthetic biologists dedicated to empowering our Discovery and Development organizations through design and deployment of state-of-the-art computational and biological tools.

Scientist, Next Generation Sequencing

Arsenal Bio, a privately held programmable cell therapy company engineering advanced CAR T therapies for solid tumors, is seeking a talented scientist to work onsite based in our South San Francisco office. 

ArsenalBio’s mission is to develop efficacious and safe cellular therapies for patients with chronic diseases, initially cancer. With our programmable and computationally driven approach, our team is engineering living medicines to attack cancer’s inherent multi-faceted nature and overcome the challenges of addressing solid tumors with cell therapy.

Driven by a collective of diverse experts across immunology, synthetic biology, molecular biology, automation and computational biology, we are united in purpose to deliver radical breakthroughs for people with cancer, and prioritize the team’s outcomes over individual goals to achieve our company mission – together. 

We are seeking an outstanding scientist to drive next-generation sequencing methods within ArsenalBio.  The ideal candidate will have a broad understanding of NGS and its applications and a proven track record of developing innovative NGS protocols for solving complex biological problems.  As a strong technical contributor, this role will collaborate with internal and external stakeholders to advance ArsenalBio research.

What You Will Do:

  • Deploy high- and low-throughput NGS library preparation strategies for bulk, single-cell, and multi-omic applications
  • Create NGS libraries from single cells, tissues, and isolated DNA/RNA to further ArsenalBio research and discovery
  • Establish novel NGS methods to extract new types of information from research and clinical samples
  • Help oversee the operation and maintenance of numerous Illumina instruments
  • Participate in the overall management of NGS operations
  • Assist in troubleshooting problematic library preps and sequencing issues
  • Contribute to ongoing improvements in storing, tracking, and analyzing NGS data
  • Evaluate new NGS technologies and platforms (e.g., spatial transcriptomics)
  • Identify promising new concepts in scientific publications and lead pilot studies of related experiments
  • Participate in cross-functional collaborations with multiple groups to advance broad company goals and objectives and assist in the design of genomics projects
  • Contribute NGS expertise, leadership, and technical guidance to cross-disciplinary teams.
  • Advance NGS technology utilization and understanding across the company 
  • Work closely with computational biologists to interpret NGS data

  • What Will You Bring:

  • Ph.D. in Genetics, Biology, Biochemistry, Chemistry, or a related discipline with 0-2 years relevant experience; or Masters with 5+ years of relevant experience; or Bachelors with 7+ years of relevant experience
  • 3+ years of full-time, hands-on NGS experience in an academic or industrial setting
  • Deep understanding of NGS library preparation and the principles of sequencing technologies
  • Previous work with a variety of NGS sample preparation workflows and analysis
  • Experience in high-content screening, single-cell genomics, or functional genomics
  • Significant experience in troubleshooting, method development, and optimization of molecular biology-based assays
  • Strong background in molecular biology and analytical techniques, including PCR/qPCR, ddPCR, molecular cloning, gene editing, enzymatic assays, and nucleic acid isolation and manipulation
  • Experience operating liquid handling robots or other lab automation for high-throughput assays desired
  • Experience in computational analysis of next-generation sequencing data
  • Ability to quickly learn new skills and knowledge on the job, demonstrate productivity and deliver high-quality results

  • What We Will Offer You: 
    ArsenalBio has a enerous and comprehensive benefits package that includes but is not limited to medical, dental, and vision as well as mental health resources, virtual and telehealth options, coaching, infertility treatment, parental leave and health savings accounts. We also offer flexible work schedules and flexible time off, which includes two extra “Arsenal Days of Rest” every quarter for employees to recharge. 

    We have a robust mentorship program, and comprehensive development tools to help employees take control of their career paths and grow into their best selves. ArsenalBio believes in investing in the well-being of our employees - both at work and at home, as they are our greatest asset. They bring scientific talents in molecular biology, immunology, pharmacology, protein chemistry, computational biology, automation, genome engineering, software and other fields to make the future happen now.

    ArsenalBio prioritizes the providing of a safe and healthy workplace that is consistent with COVID-19 public health guidance and legal requirements.  In order to protect our employees and visitors, we require all visitors (candidates) and employees to present proof of being fully vaccinated against COVID-19 when coming onsite.

    We are committed to hiring the best talent from diverse backgrounds. A diverse workforce engenders richness of thought, creativity and discovery. We invite individuals who embrace intellectual achievement to bring their unique personal and professional journeys and together we will build transformative cell therapies for cancer patients.

    We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

    The estimated base salary offer for the preferred primary location of San Francisco Bay area ranges from $108,600 – $133,000. 
    Salary ranges for other locations may vary from this range.   Base pay offered may vary depending on job related knowledge, experience, education, and location.  In addition to these factors, we believe in the importance of pay equity and consider internal equity of our current employees as part of any final offer.

    To all recruitment agencies: ArsenalBio does not accept agency resumes. Please do not forward resumes to our jobs alias, or ArsenalBio employees. ArsenalBio is not responsible for any fees related to unsolicited resumes.


    “Modern data science, automation, and synthetic biology approaches have tremendous potential to accelerate the development of effective cell therapies. ArsenalBio is being built from the ground up to optimize the leveraging of these approaches through early and deep integration of engineers and technologists into our R&D programs. We are seeking ambitious and talented teammates to join us in our mission to improve the lives of cancer patients.”

    Tarjei Mikkelsen, PhD

    Chief Technology Officer


    Best in Class Health & Wellness Plans

    Flexible Office Hours

    Paid Parental Leave

    Healthy Kitchen Snacks

    Daily Catered Lunches

    Free Onsite Fitness Center

    Unlimited Vacation Days

    Generous compensation and equity packages

    Commuter Benefits

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