Flagship Pioneering
Direct Greenhouse career site

Associate Scientist, Bioanalytical Assays

Location
Cambridge, MA USA
Listed
12 days ago

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.

Serif Biomedicines 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 searching for an experienced Associate Scientist to drive bio-analytical assays for a novel DNA platform. More broadly, we are looking for an individual who enjoys working with in vitro and in vivo assays, and brings scientific rigor, intellectual curiosity, enthusiasm, and a desire to innovate new nucleic acid therapeutics. This individual will have the opportunity to work in a dynamic and fast-paced entrepreneurial environment, working both independently and as part of a highly collaborative and rapidly growing team.

Key Responsibilities

  • Execution and analysis of bioassays, to assess efficacy, safety and biodistribution of novel nucleic acid therapeutics in rodents and NHPs
  • Contribute to scientific and technical perspectives to advance platform development.
  • Develop, optimize, and execute ligand binding assays to support studies in-house and at CROs.
  • Effectively communicate experimental findings in oral, written, and visual formats.
  • Work independently and collaboratively in a multidisciplinary team environment.

Qualifications

  • Masters or BS in relevant discipline with 6+ years of industry experience. Level will be based on experience.
  • Deep expertise in ex-vivo analytical assays such as ELISA, MSD, qPCR, ddPCR, etc.
  • Hands-on experience with multi-parameter flow-cytometry, including panel design, compensation, and analysis.
  • Experience with various transfection methods in human and NHP PBMCs is preferred
  • Proficiency in processing tissues and isolation of various cell types (hepatocytes, immune cells etc.) from mice and NHPs
  • Prior experience in nucleic acid therapeutics or LNPs is a plus
  • Experience with histological techniques (IHC/IF, ISH, H&E, etc.) analysis is a plus.
  • Strong communication, interpersonal, organizational, analytical, and problem-solving skills.
  • The successful candidate will be expected to demonstrate flexibility in supporting the accelerated timelines associated with data generation, analysis, and reporting for in vivo studies.
  • Ability to thrive in a fast-paced, multidisciplinary, and rapidly growing biotech environment.

Additional information

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.

Read the original posting

From Flagship Pioneering's careers page, first listed on Rolev.ai on October 28, 2026. Rolev.ai is not the employer.

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Common questions

Where is the Associate Scientist, Bioanalytical Assays job at Flagship Pioneering located?

This Associate Scientist, Bioanalytical Assays position at Flagship Pioneering is located in Cambridge, MA USA. Always check Flagship Pioneering's application page for specific state eligibility or relocation policies.

How do I apply for the Associate Scientist, Bioanalytical Assays position at Flagship Pioneering?

This listing links directly to Flagship Pioneering's Greenhouse application page. You can apply directly on Flagship Pioneering's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.