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 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-vivo studies, ideally involving LNP delivery and/or nucleic-acid based therapeutics in rat, mouse, and NHP.
- Deep expertise in ex-vivo analytical 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 performing in-vivo procedures in rodents, including preparation and administration of therapeutics and collecting material (blood, tissue, etc.) for ex-vivo analysis 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 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 questions, contact [email protected].
The salary range for this role is $81,000 - $107,250. Compensation for the role will depend on a number of factors, including a candidate’s 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 Biomedicines's 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 [email protected].
Skills Required
- Masters or BS in relevant discipline with 5+ years of industry experience
- Experience with in‑vivo studies
- Experience involving LNP delivery and/or nucleic‑acid based therapeutics in rat, mouse, and NHP
- Deep expertise in ex‑vivo analytical assays such as ELISA, MSD, qPCR, ddPCR, FACS
- Experience with histological tissue analysis (IHC/IF, ISH, H&E) including tissue harvest, embedding, sectioning, staining, imaging and image analysis
- Experience with various mouse and rat disease models
- Experience performing in‑vivo procedures in rodents, including administration of therapeutics and sample collection
- Hands‑on experience with flow cytometry including panel design, execution and analysis
- Strong communication and interpersonal skills
- Strong organizational, analytical, and problem‑solving skills
- Flexibility to support accelerated timelines for in vivo studies and fast‑paced biotech environment
Flagship Pioneering Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Flagship Pioneering and has not been reviewed or approved by Flagship Pioneering.
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Fair & Transparent Compensation — Feedback suggests salary bands are visible for many Boston/Cambridge roles and pay is considered competitive for key scientific and leadership positions. Transparency in postings supports expectations that offers align with local biotech norms.
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Healthcare Strength — Feedback suggests medical, dental, vision, disability, life insurance, HSA options, and mental-health coverage are comprehensive and well-regarded. Multiple items are employer-verified, reinforcing confidence in core health benefits.
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Parental & Family Support — Feedback suggests maternity/paternity leave and family leave are offered at meaningful levels. These programs sit alongside paid holidays, sick days, and PTO to support family needs.
Flagship Pioneering Insights
What We Do
Flagship Pioneering conceives, creates, resources, and develops first-in-category life sciences companies to transform human health and sustainability. Since its launch in 2000, the firm has applied a unique, hypothesis-driven innovation process to originate and foster more than 100 scientific ventures, resulting in over $30 billion in aggregate value. To date, Flagship is backed by >$3 billion of aggregate capital commitments, of which over $1.5 billion has been deployed toward the founding and growth of its pioneering companies alongside >$10 billion of follow-on investments from other institutions. The current Flagship ecosystem includes Denali Therapeutics (NASDAQ: DNLI), Evelo Biosciences (NASDAQ: EVLO), Moderna Therapeutics (NASDAQ: MRNA), Rubius Therapeutics (NASDAQ: RUBY), Seres Therapeutics (NASDAQ: MCRB), and Syros Pharmaceuticals (NASDAQ: SYRS).






