Bioreactor Application & Testing Intern - Marlborough, MA

Sartorius offers an onsite internship for a Bioreactor Application & Testing Intern at our Marlborough, MA site. In this role, you will specialize in cultivating mammalian and microbial systems to generate high-quality data that advances the development of Sartorius’ bioreactor solutions.

Duration starts in August and is flexible depending on availability.

• Assist in supporting defined projects with clear goals in upstream process development, aligned with project goals and timelines.
• Help conduct bioreactor experiments (e.g., perfusion, fed‑batch) for mAbs, recombinant proteins, and other biologics.
• Support optimization of cell culture parameters for various mammalian cell lines (e.g., CHO, HEK) using Sartorius’ next‑generation bioreactor systems.
• Assist in analyzing and interpreting experimental data, ensuring accurate documentation and reporting.
• Collaborate with cross‑functional teams, including downstream process development, automation, and analytics.
• Participate in technology transfer activities to internal and external partners.
• Prepare and substitute for lab assistants and technicians as required.

• Currently pursuing a BS/MS degree in science or a related field.
• Able to take off a semester to work full time.
• Basic understanding of bioreactor operations and mammalian cell culture is a plus.
• Ability to assist in designing and executing experiments, analyze data sets, and troubleshoot process issues.

• Operatively oriented, proactive in finding solutions, and positive mindset.
• Analytical and conceptual thinker able to solve complex problems.
• Good written and verbal communication skills for technical and cross‑functional audiences.
• Proactive, results‑oriented, and able to work both independently and collaboratively.

• Passion for innovation in biomanufacturing.
• Strong troubleshooting and problem‑solving skills.
• Collaboration and openness to new ideas.
• Identification with our core values:
  Sustainability, Openness, Enjoyment.

Work in a Biosafety Level 2 laboratory environment; occasional extended hours or weekends may be required to support ongoing lab activities.

Up to $28 per hour, depending on experience and qualifications.

• Personal and professional development: mentoring, leadership programs, internal seminar offerings.
• Comprehensive onboarding, including a virtual online platform.
• Welcoming culture with mutual support, team spirit and international collaboration; communities on numerous topics such as "Coaching", "Agile Working" and a "Businesswomen’s Network".
• Intelligent working environment: work in smart buildings with the latest technology and equipment.

Sartorius is an equal opportunity employer and will consider all qualified applicants for employment without regard to race, color, religion, sex, national origin, age, protected veteran status, disability or any other protected class.