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Sail Biomedicines

In vivo programmable RNA CAR-T therapies

Scientist 1/Senior Engineer 1 – Pilot Lab Lead

Bioprocess & BiomanufacturingConfirmed live in the last 24 hours
Full-timeCambridge, MA, USA$100k - $150kIn-person

About the Job

Requirements

  • Demonstrated experience leading, supervising, or developing technical personnel.
  • Experience in biotechnology, pharmaceutical development, bioprocessing, or biologics manufacturing.
  • Hands-on experience executing pilot-scale or gram-scale manufacturing processes.
  • Experience developing, scaling, transferring, or routinely executing biological production processes.
  • Experience with relevant unit operations such as tangential flow filtration, chromatography, filtration, concentration, or buffer exchange.
  • Strong technical writing, documentation, organizational, and problem-solving skills.
  • Demonstrated ability to manage competing priorities and deliver manufacturing campaigns on schedule.
  • For Scientist I: a PhD in a relevant scientific or engineering discipline; an MS with at least 6 years of relevant industry experience; or a BS with at least 8 years of relevant industry experience.
  • For Senior Engineer I: a master's degree in engineering or a related discipline with at least 4 years of relevant industry experience; or a BS in an engineering discipline with at least 6 years of relevant industry experience.

Responsibilities

  • Plan, execute, and deliver recurring gram-scale engineered RNA and targeted lipid nanoparticle manufacturing campaigns for large in vivo studies.
  • Lead and participate in engineered RNA and/or targeted lipid nanoparticle manufacturing activities, including in vitro transcription, chromatography, T-mixer lipid formulation, conjugation or targeting operations, normal-flow filtration and tangential flow filtration, and fill-finish, as applicable.
  • Manage, coach, and develop a small team of scientists and/or engineers by setting priorities, assigning work, providing technical guidance, and supporting professional development.
  • Oversee daily pilot laboratory operations, including production scheduling, capacity planning, equipment coordination, material readiness, inventory, and laboratory organization.
  • Develop, implement, optimize, and transfer scalable engineered RNA and targeted lipid nanoparticle processes into routine pilot-laboratory manufacturing.
  • Provide technical leadership for upstream and downstream engineered RNA production, including synthesis, purification, filtration, concentration, and buffer exchange.
  • Troubleshoot complex process, equipment, and manufacturing issues using scientific or engineering principles and independent judgment.
  • Identify bottlenecks and implement improvements that increase throughput, process robustness, consistency, and ease of execution.
  • Author and review protocols, batch records, standard operating procedures, technical reports, equipment procedures, and process-development documentation, ensuring records are accurate, complete, and traceable.
  • Analyze process and analytical data, communicate recommendations, and collaborate with Process Development, Analytical Development, Research, Quality, Operations, Facilities, Environmental Health and Safety, and in vivo study teams.
  • Promote a culture of safety, accountability, collaboration, technical rigor, and attention to detail.

Desired Qualifications

  • Direct experience producing lipid nanoparticles or targeted lipid nanoparticles at gram scale for in vivo studies.
  • Experience with RNA or engineered RNA synthesis, purification, and drug-substance manufacturing.
  • Hands-on experience with T-mixer formulation and tangential flow filtration process development or execution.
  • Experience operating in a pilot-scale, process-development, Good Laboratory Practice, or Good Manufacturing Practice-adjacent environment.
  • Experience introducing new equipment or processes into an active manufacturing laboratory.

About the Company

Sail Biomedicines

In vivo programmable RNA CAR-T therapies

Sail Biomedicines creates programmable RNA medicines that enable in vivo CAR-T therapies for autoimmune diseases, turning the patient’s body into the site of T-cell engineering. Its platform combines Endless RNA circular RNA, a library of targeted nanoparticles for cell-specific delivery, and AI-powered design tools to program T cells inside the body. It differentiates from competitors by delivering and programming CAR-T cells in vivo rather than via ex vivo cell manufacturing, leveraging circular RNA and targeted nanoparticles, with support from its Flagship Pioneering lineage and a Johnson & Johnson collaboration. The goal is to provide scalable, durable immune resets and remission for immune-mediated diseases with broader, more accessible treatments.

Company size
51-200
Company stage
Acquired
Total funding
Not listed
Headquarters
United States
Founded
2023

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