Flagship Pioneering

Associate Scientist, Bioanalytical Assays

Flagship Pioneering · Cambridge, MA
Cambridge, MA $96K–$126K Posted 2026-10-28
Salary
$96K–$126K
Type
Full-time
Experience
6+ yr

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.

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 $96,000 - $126,500. 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].

$110K — 10th pctl $270K — 90th pctl
This role’s midpoint $111K vs. market median $180K for Engineering roles
-40%
below median
Based on 25,000+ Engineering roles with disclosed salary ranges tracked on NewJob.
Flagship Pioneering

Flagship Pioneering

Venture Capital · Private · Cambridge, USA

Stage & Valuation
Private · $14B
Open roles on NewJob
Most hiring in
Engineering (20) · Operations (17) · BizOps (6)
Flagship Pioneering is a life sciences venture capital and biotechnology company that invents and builds platform companies focused on transformative human health and sustainability innovations. The firm operates with a unique model of institutionalizing entrepreneurial innovation to create new biotech startups from scratch.
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