Microbial Engineering/Alternative Host Bioprocessing Intern - Onsite, Marlborough, MA

Location: Marlborough, MA

Term: Minimum of six months to maximum of ten-month Internship starting late February 2026 (some flexibility to start later).


The internship program at Alternative Host Bioprocessing unit at Sartorius Stedim North America, Corporate Research Labs, Marlborough MA focuses on Microbial strain engineering. We are seeking a motivated and detail-oriented Research Intern to join our group. This role offers an exciting opportunity to work under the supervision of the Principal Investigator on cutting-edge research in microbiology, molecular biology, and biotechnology. If you are passionate about scientific innovation and eager to contribute to an impactful project, we encourage you to apply!

What you will accomplish together with us:

• Conduct experiments under the supervision and direction of the Principal Investigator.
• Maintain microbial cultures, prepare media and reagents, and contribute to the overall operation of the lab.
• Assist with molecular cloning techniques including PCR, DNA extraction and purification, plasmid preparation, DNA assembly, and gel electrophoresis.
• Perform microbial transformation and screening for productivity.
• Utilize bioinformatics tools for in silico cloning, DNA sequence analysis and gene editing design.
• Adhere to all safety protocols and maintain a clean and organized laboratory environment.
• Keep detailed records of experimental activities, prepare reports, and present findings to the research team.

What will convince us:

• Currently pursuing Masters/ PhD degree in Microbiology, Molecular Biology, Chemical/Biological Engineering, Chemistry, Biochemistry, or a related field.
• Hands on experience with sterile microbial culture techniques- particularly handling bacteria, yeast, and filamentous fungi, is preferred; and molecular biology techniques is a plus.
• Hands on experience doing small scale fermentation screening, running HPLC/ LC/MS would be a plus.
• Strong communication and interpersonal skills, hardworking, systematic, sensible, and adaptable attitude.
• Identification with our core values: Sustainability, Openness, Enjoyment

Compensation is up to $30 per hour.  This position does not provide relocation accommodations

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.

E-Verify Participation Info

E-Verify Workers Rights

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 accommodationrequest@sartorius.com

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