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Strand Therapeutics Verified
Biotechnology

Scientist, Synthetic Biology

Boston, MAOnsiteFull TimeEntry-level (exp-based)$120,000–$132,000 /yrPosted 1 month agoVisa sponsorship available

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Required skills

  • Biomedical Engineering
  • Bioinformatics
  • research experience
  • communicate findings
  • optimize genetic circuit designs
  • independent work
  • detail oriented
  • problem-solving ability

Nice to have

  • clinical-stage
  • programmable mRNA therapeutics
  • genetic medicines
  • Signal Stack platform
  • EverScript circular RNA
  • AmpliScript self-replicating RNA

Role summary

Strand Therapeutics, a clinical-stage biotechnology company, seeks a Scientist of Synthetic Biology to design and develop RNA-based genetic circuits for drug discovery. The role involves building and testing engineered circuits using molecular cloning, mammalian cell culture, transfection, and qPCR, with experience in mRNA transcription being essential. Preferred skills include flow cytometry, ELISA, Western blot, image analysis, and automation equipment. The ideal candidate will have a PhD, 1-2 years of research experience, and the ability to work independently in a dynamic, entrepreneurial environment. This position is based in Boston, MA, offering a competitive salary and benefits.

Company Overview:

Strand Therapeutics is a clinical-stage biotechnology company pioneering programmable mRNA therapeutics to unlock the full potential of genetic medicines. Strand is applying its proprietary Signal Stack platform, which integrates EverScript circular RNA, AmpliScript self-replicating RNA, SignalPath targeted delivery, and logic-driven SignalLock genetic circuits to enable precise control of therapeutic activity across tissues and cell types and overcome foundational limitations in targeting, durability, and safety.

Strand is advancing a pipeline with an initial focus on oncology and autoimmune disease. Its initial program, STX-001, an intratumorally delivered LNP-encapsulated self-replicating RNA expressing IL-12, has demonstrated preliminary evidence of systemic immune activation and anti-tumor activity in patients with advanced solid tumors who have progressed on prior therapies. Building on this early clinical validation, intravenously delivered STX-003 is designed for tumor-targeted expression and avoidance of off-target expression. STX-003, which is expected to enter the clinic in mid-2026, has the potential to be a major step forward for the fields of genetic medicine and oncology. Strand is also advancing STX-005, an in vivo CAR-T program designed to enable controlled, durable expression and repeat dosing. Founded by MIT synthetic biology pioneers, Strand has raised over $250 million and is headquartered in Boston, MA.

Become the next standout single strand!

Job Summary:

We are looking for a highly motivated and innovative candidate for the role of Scientist of Synthetic Biology. The ideal candidate will use fundamental biological design principles to build RNA-based genetic circuits to facilitate drug discovery and development. This is a fantastic opportunity to make a significant impact as a scientifically motivated self-starter capable of independently conceiving, conducting, and critically analyzing their own work with minimal supervision.

Primary Responsibilities:

  • Design and develop synthetic genetic constructs to enable programmable, cell-type specific gene expression.
  • Build and test engineered circuits for desirable phenotypes in relevant cell systems in vitro thus validating predicted designs.
  • Plan experiments utilizing molecular techniques including molecular cloning, mammalian cell transfection, flow cytometry, ELISA, qPCR, Western blot etc.
  • Maintain proper records in electronic notebook and contribute to writing protocols
  • Communicate experimental methods and results to fellow team members and work closely with cross-functional teams.

    • Qualifications:

  • PhD in Biomedical Engineering, Boinformatics, or requivalent required.
  • 1-2 years of professional research experience in industrial and/or academia required.
  • Ability to plan, design and execute experiments as part of a project, communicate findings to a diverse audience, and iterate on ideas for optimizing genetic circuit designs for a desired behavior.
  • Experience with cellular and molecular biology techniques like molecular cloning, qPCR, mammalian cell culture, and transfection required.
  • Prior experience with flow cytometry, image analysis, and automation equipment is a plus.
  • Hands-on experience with in vitro transcription of mRNA required.
  • Ability to quickly adapt to change and thrive in a dynamic and entrepreneurial early-stage environment.
  • A strong team player with excellent oral and written communication skills and a demonstrated ability to work independently.
  • Independently motivated, detail oriented and good problem-solving ability.
  • Excellent organizational skills and attention to detail.

    • Strand offers a fast-paced, entrepreneurial, team-focused small company environment. We also offer a top-notch benefits package (health, dental, life, open PTO, onsite lunch catering, commuter support and more) and work/life flexibility and integration. Being part of the Strand team allows you to become part of a small team that supports professional development while working together to meet Strand’s goals.

    Strand Therapeutics is an equal opportunity employer. We do not discriminate on the basis of race, color, gender, gender identity, sexual orientation, age, religion, national or ethnic origin, disability, protected veteran status or any other basis protected by applicable law. Strand does not accept unsolicited resumes from any source other than directly from candidates.

    Job Type: Full-time

    Salary: $120,000 - $132,000 annually plus bonus and equity incentives

    Pay Transparency Base Salary Range$120,000—$132,000 USD
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