Principal Scientist, Cell Culture Leadership

Lonza

Oberwallis

Remote

CHF 120,000 - 180,000

Full time

2 hours ago

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Job summary

Lonza is seeking an Associate Principal Scientist in Visp to lead upstream cell culture development in a Mammalian system. You will drive CHO-based projects, oversee scale-down/up modeling, and generate data for tech transfer to GMP facilities. Strong communication in English and cross-functional collaboration are essential.

The role blends scientific leadership with hands-on lab work and customer-facing interactions to deliver high-quality bioprocessing solutions.

Qualifications

BSc with 7+ years or MSc with 5+ years of relevant industry experience in mammalian upstream process development.
Hands-on CHO cell culture experience with AMBR250/AMBR15, shake flasks and bioreactors.
Good understanding of scale-up/scale-down, troubleshooting, and tech transfer.
Ability to plan, coordinate and execute laboratory-scale experiments in a cross-functional setting.
Excellent communication skills; technical English required.
Willingness to support weekend/holiday operations.
Strong team orientation and problem-solving mindset.

Responsibilities

Lead, design and execute complex upstream process development activities up to 10 L.
Serve as SME for CHO cell culture and provide scientific guidance.
Build and maintain customer relationships through clear communication.
Design, optimize and implement robust scale-down and scale-up models.
Author and review study plans and development reports.
Support training activities and knowledge sharing.
Contribute to continuous improvement and best-practice implementation.