Background

RoosterBio, Inc. is a biotechnology company headquartered in Frederick, Maryland, focused on accelerating the development and commercialization of advanced therapies through scalable human cell and extracellular vesicle (EV) technologies. By combining standardized cell and media products with bioprocess expertise, RoosterBio enables customers to efficiently advance programs from early development through clinical and commercial manufacturing.

The Process Development Services team partners with innovators across the cell therapy and EV space to design, optimize, and scale robust manufacturing processes. Operating in a service-driven, customer-facing model, the team applies scientific rigor and practical bioprocess experience to solve development challenges and deliver high-impact solutions for customers.

RoosterBio is seeking a
Scientist II / Senior Scientist
to join the Process Development Services team and manage external customer projects. This position is well suited for a Ph.D.-level scientist with process development industry experience who thrives in a collaborative, fast-paced, and service-oriented environment.

Key Responsibilities

• Manage customer projects in cell and extracellular vesicle manufacturing, balancing technical objectives, timelines, and cost.
• Design, execute, and interpret process development experiments supporting customer programs.
• Identify opportunities for bioprocess improvement and innovation.
• Collaborate with internal cross-functional teams and external customers.
• Author technical reports and present results to customers. Assist in drafting proposals for new customers.
• Maintain accurate laboratory documentation, reports, and records in accordance with internal procedures.
• Stay current with scientific literature, industry trends, and emerging technologies.

Skills/Qualifications:

• Ph.D. in Chemical Engineering, Biomedical Engineering, Bioengineering, Biotechnology, Cell Biology, Chemistry, or a related scientific discipline is required.
• 2–8 years of industry experience in process development and/or manufacturing support, with demonstrated leadership of process development or manufacturing-related projects or initiatives, is required.
• Experience with cell therapy and/or extracellular vesicle–based products is preferred.
• Experience working in a process development services organization or receiving unit, supporting externally defined programs, is preferred.
• Experience in technology transfer and/or working with contract manufacturing organizations is preferred.
• Strong written and verbal communication skills are required.
• Proven ability to independently design experiments, analyze data, and translate results into process improvements is required.
• Candidate must be eligible to work in the U.S. for other than practical training.
• Occasional weekend and off-hours work will be required to support cell culture.

Interested individuals should email a resume with an email describing their interest to
mrehmann@roosterbio.com
. Please visit our website at www.RoosterBio.com for more information.