At Lonza, we invest in great people. We encourage our employees to challenge themselves and we offer an environment that fosters creativity and success. Headquartered in Basel, Switzerland, we operate production, R&D, and business sites around the world, including Europe, North America, and Asia. 

At Lonza, our strategy is defined by our purpose: to turn our customers’ breakthrough innovations into viable therapies and manufacture the medicines of tomorrow. This is our reason to exist, and explains the positive impact we have on the world around us.

Do you want to help us as we shape the future of this great organization?

Job Description Summary

We are actively recruiting candidates to participate in our 2026 On-site Summer Internship program. This program is roughly 12 weeks in length and will immerse you into the culture and operations of Lonza Portsmouth.

In this role, you will gain hands-on experience in how the Quality Control Microbiology and Environmental Monitoring laboratories supports product progression through the manufacturing process and deliver lifesaving pharmaceuticals to patients. You will receive training and direct experience in instrument setup and takedown, routine maintenance, and troubleshooting while working alongside experienced team members. Interns can expect to gain valuable experience performing environmental monitoring testing such as water sampling, air viable testing, surface viable testing and total particulate monitoring.  Interns will also gain microbiology experience through membrane filtration bioburden testing, colony enumerations and identification techniques as well as endotoxin and total organic carbon (TOC) testing.

The internship program begins Tuesday, May 26, 2026 and ends on Friday, August 14, 2026. Potential interns must be able to commit to at least 40 hours per week throughout the duration of the summer internship.

Required Education

• Completion of junior year (typically 90 credits) towards a B.S. degree in a related field

• Minimum cumulative GPA of 3.0 (out of 4) required

• Must currently be enrolled in BS or MS Academic Program

• Must be available to begin the Internship on Tuesday, May 26, 2026.

Required Skills & Experience

• Excellent verbal and written communications skills

• Self-motivation and the ability to contribute as a team member

• Ability to organize, plan and execute projects

• Research skills and attention to detail

About Us

Lonza is one of the world’s leading and most-trusted suppliers to the pharmaceutical, biotech and specialty ingredients markets. We harness science and technology to create products that support safer and healthier living and that enhance the overall quality of life.
 
Not only are we a custom manufacturer and developer, Lonza also offers services and products ranging from active pharmaceutical ingredients and stem-cell therapies to drinking water sanitizers, from the vitamin B compounds and organic personal care ingredients to agricultural products, and from industrial preservatives to microbial control solutions that combat dangerous viruses, bacteria and other pathogens.

Further information can be found at www.lonza.com.

About Portsmouth

Our Lonza Portsmouth site is a clinical-to-commercial, multi-product manufacturing facility located in Portsmouth, New Hampshire, only 56 miles north of Boston, Massachusetts. The site, which employs over 1,700 employees, is a custom manufacturer of therapeutic monoclonal antibodies and recombinant proteins using mammalian cell culture.

We offer an onsite cafeteria, fitness center and other amenities. The city of Portsmouth is home to many restaurants, breweries, museums, and theaters. The ocean and mountains are nearby and we have major cities close by (Boston, Portland, Manchester).