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Senior Research Associate, Bioanalytics


Job Location:

Cambridge, MA - USA

Monthly Salary: $ 81000 - 107250
Posted: 3 July 2026 (30+ days ago)
Application Deadline: 30 September 2026
Vacancies: 1 Vacancy

Job Summary

Company Summary:

Serif Biomedicines is a privately held early-stage biotechnology company pioneering Modified DNA as a new class of medicines. Modified DNA brings together the best features of mRNA and gene therapy while mitigating their limitations by enabling medicines that are durable redosable programmable and scalable. Serif 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) Generate Biomedicines (GENB) Seres Therapeutics (MCRB) Tessera Therapeutics and Lila Sciences.

Position Summary:

We are searching for an experienced Sr. Research Associate to drive histology and related bio-analytics for platform development and therapeutic proof-of-principle. More broadly we are looking for an individual who enjoys working with animal models 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 bio-analytics including histology to assess efficacy safety and biodistribution of novel nucleic acid therapeutics.
  • Provide scientific and technical perspectives to advance platform development.
  • Develop in-house capabilities to support work performed 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 5 years of industry experience. Level will be based on experience.
  • Experience with in-vivostudies ideally involving LNP delivery and/or nucleic-acid based therapeutics in rat mouse and NHP.
  • Deep expertise inex-vivoanalytical assays such as ELISA MSD qPCR ddPCR FACS etc.
  • Experience with histological tissue analysis (IHC/IF ISH H&E etc.) including tissue harvest embedding sectioning staining imaging and image analysis.
  • Experience with various mouse and rat models of diseases is a plus.
  • Experience performingin-vivoprocedures in rodents including preparation and administration of therapeutics and collecting material (blood tissue etc.) forex-vivoanalysis is a plus.
  • Hands-on experience with flow-cytometry including panel design execution and analysis is a plus.
  • Strong communication and interpersonal skills.
  • Strong 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.

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 Pioneerings 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.

The salary range for this role is $81000 - $107250. Compensation for the role will depend on a number of factors including a candidates qualifications skills competencies and experience. Serif Biomedicines currently offers healthcare coverage annual incentive program retirement benefits and a broad range of other benefits. Compensation and benefits information is based on Serif Biomediciness good faith estimate as of the date of publication and may be modified in the future.

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 questions contact


Required Experience:

Senior IC


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