Senior Biotechnologist
Lonza
Summary
As a Senior Manufacturing Associate at our Portsmouth site, you will play a critical role in the downstream production of therapeutic proteins that support patients worldwide. You will lead complex purification processes, ensure compliance with cGMP standards, and support operational excellence across the production floor. This role is based onsite, where hands-on work and collaboration are essential, and you will act as a subject matter resource for processes, troubleshooting, and team support.
Job description
This role follows a 12-hour day shift schedule from 7:00 PM to 7:00 AM on a rotating schedule of alternating days: two on, two off, three on, two off, two on, three off (repeating cycle).
What you will do:
- Lead and execute downstream manufacturing processes, including chromatography and filtration operations
- Monitor production processes and ensure compliance with SOPs, cGMP, and GDP requirements
- Troubleshoot complex equipment and process issues, supporting timely resolution
- Review and approve batch records, logbooks, and support deviation investigations
- Train, mentor, and support associates across purification processes and best practices
- Coordinate material movements and ensure readiness across production areas
- Support continuous improvement initiatives to enhance safety, quality, and efficiency
What we are looking for:
- One or more years of downstream bioprocessing experience required; additional biotech industry required.
- Knowledgeable in purification processes and filtration
- Strong understanding of cGMP, documentation practices, and process flow
- Experience training or mentoring team members in a manufacturing environment
- Strong communication skills, including technical writing and collaboration
- High school diploma or equivalent required; Associate’s or Bachelor’s degree in a science-related field preferred
Requirements
- One or more years of downstream bioprocessing experience required
- Additional biotech industry experience required
- Knowledgeable in purification processes and filtration
- Strong understanding of cGMP, documentation practices, and process flow
- Experience training or mentoring team members in a manufacturing environment
- Strong communication skills, including technical writing and collaboration
- High school diploma or equivalent required
- Associate’s or Bachelor’s degree in a science-related field preferred
Benefits
- Medical, Dental & Vision
- Career development opportunities
- Inclusive workplace
- Collaborative environment
Company overview
Lonza is a pioneering global Contract Development and Manufacturing Organization (CDMO) and a world leader in pharmaceutical manufacturing services. Founded in 1897 in Switzerland, the company has evolved into the first and original CDMO, now operating as one of the largest Western CDMO networks with approximately 19,000 employees across more than 30 sites spanning five continents. Lonza specializes in transforming therapeutic discoveries into life-saving and life-enhancing treatments for patients worldwide. The company's comprehensive services span from early development to drug substance and drug product manufacturing, covering established and emerging technologies including mammalian biologics, small molecules, highly potent APIs, bioconjugates, mRNA, microbial products, and cell and gene therapies. With a focus on cutting-edge science, smart technology, and lean manufacturing, Lonza serves a diverse customer base ranging from emerging biotechs to global pharmaceutical companies, delivering integrated solutions throughout the entire treatment lifecycle.