FL| Cambridge, MA FLSenior Scientist, Therapeutics Engineering
Listed on 2026-06-14
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Research/Development
Research Scientist
FL114:
Senior Scientist, Therapeutics Engineering
Cambridge, MA USA
About FL114FL114 is an innovative, privately held biotechnology company developing our novel epigenetic editing platform to treat a variety of diseases through precise, tunable modification of gene expression. FL114 was founded by Flagship Pioneering, where companies such as Moderna Therapeutics (NASDAQ: MRNA) and Seres Therapeutics (NASDAQ: MCRB) were conceived and created. With a strong emphasis on innovation and experimental execution, FL114 cultivates a highly dynamic and entrepreneurial environment.
Aboutthe Role
FL114, Inc. is seeking a Senior Scientist to join our integrated Platform as a key contributor in our Therapeutics Engineering efforts. The successful candidate will be an essential member of a close-knit team of experimental and computational scientists driving FL114’s product generation engine and supporting a broad set of therapeutic programs. We are looking for enthusiastic, detail-oriented, adaptive, and highly motivated individuals with a passion for bringing novel medicines to patients.
Applicants should be comfortable working on a fast-paced, cross-functional scientific team.
- Independently conduct, optimize and proactively troubleshoot cellular screening assays in a wide range of primary and transformed cell lines.
- Expression and functional characterization of novel biologics modalities using various cell systems and techniques (cell-based assays, RNA/DNA/protein isolation and detection techniques, RT-qPCR, flow cytometry, etc.)
- Drive, pilot, and oversee development of a wide range of cutting‑edge assays.
- Design, procurement, and maintenance of combinatorial libraries for relevant cell‑based and cell‑free assays.
- Identification and management of external partners (CROs, CMOs, etc).
- Execute routine and advanced molecular biology techniques, including plasmid preparation, RT-qPCR, cloning, RNA/DNA extraction, gel electrophoresis, oligo pool work, etc.
- Culture and maintain a wide variety of mammalian cell lines, including transient and stable transfections. Develop cell lines as necessary.
- Analyze and interpret assay data, maintain accurate laboratory notebooks, and communicate results clearly in team meetings.
- Drive optimization and automation of screening protocols, including the use of liquid handling systems and plate readers.
- Experience with gene delivery technologies (for example LNP, lentivirus, etc.).
- Exposure to CRISPR-based or other gene editing technologies.
- Exposure to NGS data sets and its interpretation.
- Familiarity with data analysis tools such as Graph Pad Prism, Benchling, Snap Gene, etc.
- Adaptive and detail-oriented with excellent time management and organization skills.
- Exceptional teamwork and communication skills.
- PhD in Cell or Molecular Biology, Biochemistry, or related disciplines with 2+ years of relevant experience in biotech or pharma.
- Strong background in cellular and molecular biology with hands‑on experience in the development and optimization of cell‑based assays and library screening assays.
- Extensive experience in gene design, vector construction, and protein expression.
- Possession of strong communication skills, both written and verbal, to clearly convey results and scientific data to senior leaders, teams and partners.
- Industry experience in drug discovery or pharmaceutical R&D preferred.
- Salary range: $126,000 - $159,500.
- Healthcare coverage, annual incentive program, retirement benefits and a broad range of other benefits.
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We are dedicated to building diverse and inclusive teams and look forward to learning more about your unique background.
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