Development Manager II, Small Molecule CMC
Location: Oss
Synaffix (now part of Lonza) is a biotech company with a clinical-stage platform technology that enables best-in-class antibody-drug conjugates (ADCs), bispecific antibodies and other targeted therapeutics under a technology out-licensing business model. Synaffix was fully acquired by Lonza in June 2023. Aimed at enabling innovative medicines for patients in areas of high unmet medical need, Synaffix has forged a growing number of collaborations with top tier biotech and pharma companies by enabling best-in-class therapeutic candidates for their pipelines.
We have an exciting opportunity available for a Development Manager II within the Development and Manufacturing (DAM) Department at Lonza Oss (Synaffix). The DAM department is responsible for the development, manufacturing, supply, and lifecycle management of the proprietary technology components that support our partners' drug development programs. The Development Manager II acts as process owner for one or more platform components and is responsible for defining development strategies, managing external manufacturing networks, and ensuring reliable supply throughout clinical development and beyond. The role requires close collaboration with internal stakeholders and external partners to drive program execution while maintaining compliance with quality, regulatory, and business requirements. The Development Manager II also supports technical interactions with licensees and contributes to aligning supply strategies with future clinical development needs.
What you will get:
The full list of our global benefits can be found here: https://www.lonza.com/careers/benefits
What you’ll do:
What we’re looking for:
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 value diversity and are committed to creating an inclusive environment for all employees. 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.

Lonza is a pioneer and world leader in the CDMO industry, setting the pace with cutting-edge science, smart technology, and lean manufacturing. United by a common purpose, we turn our customers’ breakthrough innovations into viable therapies and manufacture the medicines of tomorrow.
Founded in Switzerland in 1897, our company is the first and original CDMO, and today we are more dynamic, agile and forward-focused than ever before. As one of the largest Western CDMOs, we bring together a global team of around 18,500 colleagues across five continents to deliver comprehensive, integrated solutions for our customers' complex needs.
For our customers and their patients, we bring quality, safety and reliability to bring life-enhancing and life-saving treatments to market at speed and at scale. For our colleagues, we strive to create a sense of belonging and inclusion where every person can thrive and bring their best.