Scientist – Bioreactor Application & Testing - Onsite – Marlborough, MA

Scientist – Bioreactor Application & Testing

Location:

Marlborough, MA (Onsite)

Join Sartorius in leading and executing technical work packages in a bioreactor application and testing laboratory. You will work hands‑on in the lab, design experiments, analyze data, and collaborate across teams and with customers to drive innovative bioprocess solutions.

• Plan, execute, and drive experimental work packages in upstream process development aligned with project goals and timelines.
• Design and conduct bioreactor experiments (e.g., perfusion, fed‑batch) for mAbs, recombinant proteins, and other biologics.
• Optimize cell culture parameters for mammalian cell lines (CHO, HEK) using Sartorius next‑generation bioreactor systems.
• Analyze and interpret experimental data, ensuring accurate documentation and reporting.
• Collaborate with cross‑functional teams (downstream, automation, analytics).
• Participate in technology transfer activities to internal and external partners.
• Explore and implement new bioprocessing technologies to advance the state‑of‑the‑art.
• Manage, train, and provide coverage for Associate Scientists and technicians as needed.
• Represent Sartorius in technical discussions with customers, collaborators, and external experts.

• Ph.D. in Biochemical Engineering, Chemical Engineering, Biotechnology, or related field; or M.S. with 4+ years industry experience; or B.S. with 7+ years industry experience.
• Hands‑on experience with bioreactor operations (single‑use and/or stainless‑steel systems).
• Demonstrated ability to design and execute experiments, analyze complex data sets, and troubleshoot process issues.
• Industry experience with mammalian cell culture and biologics manufacturing workflows.
• Experience mentoring and training junior scientists or technicians.
• Familiarity with GMP principles, regulatory guidelines (FDA, EMA, ICH). Technology transfer experience is a plus.

• Analytical and conceptual thinker who solves complex problems.
• Strong organizational skills and ability to manage multiple projects.
• Excellent written and verbal communication for technical and cross‑functional audiences.
• Proactive, results‑oriented, independent and collaborative.
• Passion for innovation in biomanufacturing.
• Strong troubleshooting and problem‑solving skills.
• Collaboration and openness to new ideas.
• Alignment with Sartorius core values:
  Sustainability, Openness, Enjoyment.

• Travel up to 10% domestic and international; up to 50% in 2025 for lab relocation activities.
• Work in a Biosafety Level 2 laboratory. Occasional extended hours or weekends may be required.

Salary: $85,000 – $107,000 (dependent on qualification, experience and location).

Health & Wellness: medical, dental, vision, EAP, wellness programs.

Retirement: 401(k) with company match.

Flexible Spending: HSA, FSA, Transportation Commuter Account.

Paid Time Off: vacation, sick leave, corporate holidays, community service day. Flexible work schedules.

Professional Development: mentoring, leadership programs, internal seminars.

Work Environment: smart buildings and latest technology.

Sartorius is an equal‑opportunity employer and will consider all qualified applicants regardless of race, color, religion, sex, national origin, age, protected veteran status, disability, or any protected class.

Mid‑Senior level

Full‑time

Research, Analyst, and Information Technology

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