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Associate Scientist, Immunology

Flagship Pioneering, Inc.
United Statesfull_timeVerifiedPosted 18 Jun 2026
💰 $126,500/yr($96,000/yr$126,500/yr)

About the role

Company Summary:

Serif Biomedicines is a privately held, early-stage biotechnology company developing a novel approach to gene therapy that can address currently untreatable diseases. It was founded by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and grows first-in-category life sciences companies.

Flagship Pioneering has created over 100 groundbreaking companies over the past twenty years, all of which are pioneering novel and proprietary biological, industrial, and engineering approaches to solve major needs in human health and sustainability. These companies include Moderna (MRNA), Syros Pharmaceuticals (SYRS), Seres Therapeutics (NASDAQ:MCRB), Generate Biomedicines, Tessera Tx, Evelo Biosciences (EVLO), and Indigo Agriculture.

Position Summary:

We are seeking a highly motivated Associate Scientist of Immunology to join our therapeutic discovery team. The candidate will focus on hands-on benchwork using in vitro and ex vivo experimental approaches. The candidate must be independent, goal oriented, technically competent and able to efficiently work across multiple projects. We are searching for enthusiastic, innovative, and highly motivated individuals, with scientific background in immunology, cancer immunotherapy, and/or autoimmune diseases, who are comfortable working in a fast-paced entrepreneurial environment.

Key Responsibilities: 

  • Independently design and execute in vitro assays to evaluate immune cell function, including multi-color flow cytometry, cytotoxicity assays and other functional readouts under the guidance of scientists
  • Conduct ex vivo analysis of immune cells through tissue processing and downstream assays and analyses
  • Develop, execute, and troubleshoot experimental protocols under the guidance of senior members on the team, and maintain accurate and timely electronic laboratory notebook records
  • Analyze and communicate experimental data at team meetings

Qualifications: 

  • BS or MS degree in biology, immunology, bioengineering or related discipline with 6+ year of relevant industry experience in immunology and/or immunotherapy.
  • Strong experimental skills, including tissue culture, primary immune cell culture, flow cytometry, immunoassay development, and ex vivo mouse model and NHP sample processing
  • Experience with non-viral delivery technologies and nucleic acid modalities is preferred
  • Experience with primary human and/or NHP T cells is preferred
  • Detail oriented, self-motivated, and comfortable working with highly technical projects and personnel
  • Highly adaptable and responsive to delivering challenging commitments

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.

 

Privacy Notice for Applicants: When you apply for a role at Flagship Pioneering or one of its portfolio companies, we collect and use personal information you provide (such as your name, contact details, work history, and application materials) to evaluate your application, communicate with you, and comply with legal obligations. Your application data is processed through Greenhouse, our applicant tracking system, and may also be reviewed using AI-assisted screening tools. We do not sell your personal information. California residents have rights under the CCPA/CPRA including to know, delete, and opt out of the sharing of their personal information. If you are located in the EU or UK, we process your data under GDPR and you have rights to access, rectify, and erase your data. To exercise your rights or for

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Flagship Pioneering, Inc.

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