Company Summary:

Flagship Labs 72, Inc. (FL72) is a well-funded, early stage biotechnology company founded by Flagship Pioneering that is developing a new category of immune therapeutics. FL72 was founded through Flagship’s venture creation engine, where companies such as Moderna Therapeutics (NASDAQ: MRNA), Rubius Therapeutics (NASDAQ: RUBY), and Editas Medicines (NASDAQ: EDIT) were conceived and created. Since Flagship’s founding in 2000, the firm has originated and fostered the development of nearly 100 scientific ventures resulting in $20+ billion in aggregate value, 500+ issued patents, and more than 50 clinical trials for novel therapeutic agents.

Position Summary:

Are you a highly motivated scientist who wants to develop the next breakthrough therapeutic? We are seeking a determined, impact-driven Senior RA or RA with a results-driven attitude and attention to detail who will drive critical research, strategy, and optimization toward novel biology in our unique biologics platform.  As part of a collaborative team, you will work closely with the immunology and protein sciences teams to develop and execute in vitro immune assays and high-throughput drug screening methods. Through this role, you will deepen your immunology expertise and gain valuable translational exposure to driving a biologic toward the clinic. As one of the first ten employees, you would join a dynamic, diverse and inclusive team with ample opportunity to grow as a scientist as we expand. This role requires a results-driven attitude and an eagerness for platform innovation. A successful candidate will be a self-starter with clear passion for science, and they will have demonstrated clear evidence of experimental rigor and impact. The ideal candidate must be highly collaborative, self-motivated, and eager to work in a dynamic and fast-paced environment.

Key Responsibilities

  • Execute in vitro immune assays, including ELISAs, ELISPOT, cell-based immune assays, neutralization assays, and more, to support discovery and early therapeutic development
  • Execute and troubleshoot immune, molecular, and cell-based assays
  • Mammalian cell culture, including primary cells and patient derived cell lines
  • Analyze, interpret, and organize data to prepare reports and communicate the results of the experiments at internal meetings
  • Work closely with an entrepreneurial, highly-collaborative, interdisciplinary team and actively contribute to creating, shaping and executing the scientific and strategic vision of the company


  • M.S. or B.S. in Immunology, Biology, Cell or Molecular Biology or related fields
  • 2+ Industry research experience is preferred
  • Experience with immune based assays is required (ELISA, ELISPOT, multi-parameter flow cytometry, cell sorting)
  • Experience operating automated plate readers and/or FACS
  • Experience with performing high throughput screening of drug candidates is highly preferred
  • Self-motivated, independent thinker, with strong organizational skills and very detail-oriented
  • Excellent communication and presentation skills, capable of conveying technical information in a clear and thorough manner; both verbally and written context
  • Execution focused, team-oriented with an ability to thrive in an entrepreneurial environment
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.
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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