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 - Molecular Biology

ArsenalBio’s mission is to develop efficacious and safe cellular therapies for patients with chronic diseases, initially cancer.  Our products are being designed to herald the transition of adoptive cell therapy from a hospital based treatment to outpatient therapy, like most other cancer treatments.  Our people 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.

What You Will Do:

  • Lead the development, application and optimization of DNA constructs for genetic modification of cell lines and primary immune cells
  • Design and develop DNA constructs and libraries encoding affinity reagents, receptors and synthetic circuits for high-throughput functional screens
  • Work with interdisciplinary teams to establish and test novel adoptive cell therapy approaches
  • Provide expert support for molecular biology applications and strategies to the broader scientific team
  • Maintain familiarity with the relevant current literature and its application to synthetic biology and genome engineering
  • Coordinate tasks across multiple projects, demonstrating prioritization and planning
  • Interpret and effectively execute experiments in line with project timelines and goals
  • Mentor research associates within the group in areas of technical expertise

  • What You Will Bring:

  • PhD in molecular biology or a related field, with 3+ years of relevant research experience in industry or academia
  • Experience developing/optimizing protocols for nucleic acid cloning, amplification, modification and analysis
  • Experience optimizing/developing protocols for DNA assembly and library constructions for applications such as synthetic biology, functional genomics and/or protein engineering
  • Working knowledge of vector design for gene expression, genetic reporter systems and genome engineering applications
  • Working knowledge of next-generation sequencing technologies and workflows
  • Working knowledge of automation and workflows
  • Entrepreneurial behaviors demonstrated by agility, accountability, transparency, resourcefulness, and ability to get things done 
  • Ability to quickly learn new skills and knowledge on the job, demonstrate productivity, and deliver high-quality results
  •  Flexible mind with ability to think outside the box, creative approach to problem solving, and comfort in working with ambiguous data in an open-ended, exploratory process
  • 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

    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.


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    “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