What if… you could join an organization that creates, resources, and builds life sciences companies that invent breakthrough technologies to transform human health and sustainability?

Flagship Pioneering's venture creation engine has conceived and created companies such as Moderna Therapeutics (NASDAQ: MRNA), Rubius Therapeutics (NASDAQ: RUBY), Sana Biotechnology (NASDAQ: SANA), Generate Biomedicines, and Tessera Therapeutics. Since its launch in 2000, Flagship has applied its unique hypothesis-driven innovation process to originate and foster more than 100 scientific ventures, resulting in over $212 billion in aggregate value. To date, Flagship has deployed over $2.5 billion in capital toward the founding and growth of its pioneering companies alongside more than $19 billion of follow-on investments from other institutions. In 2021, Flagship Pioneering was ranked 12th globally on Fortune’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies.

The Company:

Quotient Therapeutics is a privately held, early-stage company developing a novel genomics platform and therapeutics for diseases with a large unmet need.

Position Summary:

Quotient Therapeutics is seeking a Scientist with a strong immuno-oncology background, who will be responsible for the biology validation of novel oncology targets using in vitro and in vivo models.


  • The successful candidate will work both independently and as part of a team to design, plan and execute high-quality in vitro assays for immune-oncology target validation
  • Lead the development and execution of in vitro assays to assess the biological activity of target-specific molecules
  • Coordinate animal studies with external research vendors as needed; perform ex vivo assays for target engagement analysis, biological pathway validation and biomarker analysis
  • Critical data analysis, attention to detail, and troubleshooting abilities
  • Mentor and train research associates as needed


  • Ph.D. in Immunology, Oncology, Cell Biology or related discipline with < 4 years of experience in a biotech or pharmaceutical company (the title will be adjusted for the level of experience).
  • Deep knowledge and understanding of Immuno-oncology/cancer biology. Proficient in experimental design, assay execution, troubleshooting, data analysis, and data interpretation.
  • Extensive hands-on experience in mammalian cell culture including primary cells and in handling tissues.
  • Experience in working in a cross-functional/matrix environment
  • The ideal candidate has previous experience in cell-culture assays of Immuno-oncology and worked with both primary cells and cell lines. Experience in tumor animal model design and execution, PK and PD analysis is a plus.
  • Experience in the following techniques is a plus: FACS, ELISA, MSD, WB, RT-qPCR, cell culture, microscopy, IHC and quantitative image analysis, Prism software.
  • Strong written and oral presentation skills
  • Execution focused, team oriented, and highly motivated.

Preferred Attributes:

  • Hiring, supervision, training, and mentorship of a small team of scientists and research associates 

Location: Cambridge, MA 

About Flagship

Flagship Pioneering is a biotechnology company that invents and builds platform companies, each with the potential for multiple products that transform human health or sustainability. Since its launch in 2000, Flagship has originated and fostered more than 100 scientific ventures, resulting in more than $90 billion in aggregate value. Many of the companies Flagship has founded have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.  Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies, and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

Flagship Pioneering and our ecosystem companies are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.

At Flagship, we recognize there is no perfect candidate. If you have some of the experience listed above but not all, please apply anyway. Experience comes in many forms, skills are transferable, and passion goes a long way. We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

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