Bioreactor Application & Testing Intern - Marlborough, MA

Sartorius has an onsite position available for a Bioreactor Application & Testing Intern at our Marlborough 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. Our team conducts rigorous process testing to optimize performance, validate new designs, and produce market-relevant datasets that support product innovation. In close collaboration with customers, field teams, and global R&D groups, we translate experimental insights into practical solutions that enable more efficient and scalable bioprocessing.

This Internship would be starting in August and duration is flexible, (depending on availability). In this role, you will support the team in executing technical work packages, working hands-on in the lab to assist in designing, running, and analyzing experiments. You will gain valuable experience in applied research, process optimization, and customer-focused innovation, contributing to the development of innovative upstream processes.

*Onsite role based at our Marlborough, MA site*

What you will accomplish together with us

• Assist in supporting defined projects with clear goals in upstream process development, aligned with project goals and timelines.
• Help in conducting 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 per requirement.

What will convince us:

• Currently pursuing a BS/MS degree in science or 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.

Skills & Competencies

• 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.

We value:

• 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 Conditions

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

Compensation is up to $28 hr., depending on experience and qualifications.

What We Offer

As a growing global life science company, with our stock listed on the German DAX and TecDAX , Sartorius offers a wide range of benefits:
Personal and Professional Development: Mentoring, leadership programs, internal seminar offerings
Making an Impact Right from the Start: Comprehensive onboarding, including a virtual online platform
Welcoming Culture: Mutual support, team spirit and international collaboration; communities on numerous topics such as “Coaching”, “Agile Working” and a “Businesswomen’s Network”
Intelligent Working Environment: Working 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 based on status in any other protected group of class.

Please view equal employment opportunity posters provided by OFCCP here.

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Sartorius is part of the solution in the fight against cancer, dementia, and many other diseases. Our technologies help translate scientific discoveries into real-world medicine faster, so that new therapeutics can reach patients worldwide. We look for ambitious team players and creative minds, who want to contribute to this goal and advance their careers in a dynamic global environment. Join our global team and become part of the solution. We are looking forward to receiving your application.

We look forward to receiving your application.

www.sartorius.com/career

If you are a qualified individual with a disability or a disabled veteran and are unable or limited in your ability to use or access our website, you may request a reasonable accommodation to express interest in a specific opening. You can request reasonable accommodation by e-mail at [email protected]

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, or disability, or based on status in any other protected group of class.

If you are a qualified individual with a disability or a disabled veteran and are unable or limited in your ability to use or access our website, you may request a reasonable accommodation to express interest in a specific opening. You can request reasonable accommodation by e-mail at [email protected]

About Sartorius 

Sartorius is part of the solution in the fight against cancer, dementia, and many other diseases. Our technologies help translate scientific discoveries into real-world medicine faster, so that new therapeutics can reach patients worldwide. 

We look for ambitious team players and creative minds, who want to contribute to this goal and advance their careers in a dynamic global environment.

Join our global team and become part of the solution. We are looking forward to receiving your application. 
www.sartorius.com/careers