Principal Scientist – Environmental Monitoring/Microbiology

Lonza is seeking a Principal Scientist for Environmental Monitoring/Microbiology in Portsmouth, NH. This role involves supporting quality control through technology transfer, validation, and continuous improvement initiatives. The position requires an advanced degree in a related field and experience in a GMP-regulated lab. Key responsibilities include authoring technical documents, analyzing data, and mentoring junior staff. The work schedule is Monday to Friday, 8:00 AM to 4:30 PM.
United States, Portsmouth (New Hampshire)

Principal Scientist – QC Environmental Monitoring/Microbiology

Location: Portsmouth, NH, USA.

Schedule: Monday – Friday, 8:00 AM – 4:30 PM.

Join Lonza's Quality Control team in Portsmouth, New Hampshire, where you will play a key role in supporting the quality and reliability of life-changing therapies. As a Principal Scientist – QC Environmental Monitoring/Microbial Control, you will contribute to technology transfer, validation, investigations, and continuous improvement initiatives while working closely with customers, project teams, and laboratory colleagues.

In this highly collaborative role, you will serve as a technical expert across multiple scientific disciplines, helping drive project success, troubleshoot complex laboratory challenges, and support the development of fellow team members.

What You Will Get



An agile career and dynamic working culture.Opportunities to contribute to impactful scientific and quality initiatives.Exposure to cross-functional teams and customer-facing projects.An inclusive and ethical workplace.Ongoing learning and professional development opportunities.Compensation programs that recognize high performance.Medical, dental and vision insurance.

What you will do

Support technology transfer, validation, deviation, and investigation activities.Author technical documents, including test methods, protocols, and reports.Lead equipment, template, and form setup activities for validation projects.Analyze data and troubleshoot assay and instrumentation issues.Collaborate with project teams to drive projects to successful completion.Provide technical guidance and mentorship to junior team members.Support continuous improvement initiatives while maintaining Data Integrity standards.

What we are looking for

Advanced degree (MS or PhD) in Microbiology, Biochemistry, or a related scientific discipline.Experience working in a GMP-regulated or professional laboratory environment.Strong scientific writing skills and experience preparing technical documentation.Knowledge of assay validation, technology transfer, and investigation activities.Strong analytical, problem-solving, and data interpretation skills.Effective written, verbal, and presentation communication skills.Ability to prioritize multiple projects and work independently.

About Lonza

At Lonza, our people are our greatest strength. With 30+ sites across five continents, our globally connected teams work together every day to manufacture the medicines of tomorrow. Our core values of Collaboration, Accountability, Excellence, Passion and Integrity reflect who we are and how we work together. Everyone's ideas, big or small, have the potential to improve millions of lives, and that's the kind of work we want you to be part of.

Innovation thrives when people from all backgrounds bring their unique perspectives to the table. At Lonza, we offer equal employment opportunities to all qualified applicants regardless of race, religion, color, national origin, sex, sexual orientation, gender identity, age, disability, veteran status, or any other characteristic protected by law. If you're ready to help turn our customers' breakthrough ideas into viable therapies, we look forward to welcoming you on board.

Ready to shape the future of life sciences? Apply now.

Reference: R76308

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