Global Senior Principal Scientist – USP, Slough

Job Title: Global Senior Principal Scientist – USP

Location: Slough

Travel: Up to 20% of your time would be required for travel

As a senior member of the Global Process Development (GPD) team, this role provides expert scientific leadership across Lonza’s global Biologics network, supporting technical challenges and driving the implementation of strategic technology programmes across the network. The position leads complex, multi‑disciplinary projects with a high degree of autonomy, influencing business decisions and ensuring successful delivery through matrixed teams. As a globally recognised subject matter expert, the role holder applies deep technical knowledge to troubleshoot challenges, monitor network‑wide process performance, and shape scientific and technical direction at a global level.

Provide in-depth technical / CMC support to internal project teams and customers

Manage complex multi‑disciplinary projects across the Lonza network with minimal direction, providing recommendations that shape business decisions

Lead matrix teams across functions and sites to deliver successful project outcomes

Be externally and globally recognised as a subject matter expert in multiple areas of upstream, downstream or bioconjugation

Deliver a portfolio of projects on time and within budget using lean project management, with strong escalation, communication, documentation and risk management

Monitor technical performance across the network, identifying and addressing areas of misalignment

Contribute to Lonza’s strategic direction to support business growth and new product introduction

BSc in Biotechnology, Chemistry, or Chemical Engineering

Extensive experience in biologics / bioprocessing

Deep expertise in:

• Mammalian cell culture (CHO)
• GMP facing experience
• Fed-batch and/or perfusion systems

Proven technical leadership experience

Strong communication skills (able to influence stakeholders)

Experience supporting early/late-stage & commercial processes preferred