Location: Cologne
Working hours: 12 hours/week

We are seeking a proactive and motivated Working Student to support our location HR Business Partner in Cologne. In this position, you will handle a variety of administrative HR tasks that currently require onsite support and play an important role in transferring these responsibilities to our HR Shared Service Centre (SSC) in Manchester.

This role offers hands‑on exposure to both operational and strategic HR topics, including German labour law, HR processes, documentation, and internal communication. If you enjoy working independently, structuring information, and contributing to process optimization, this is an excellent opportunity to deepen your HR expertise within an international setting.

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What you will get:

• An agile career and dynamic working culture

• An inclusive and ethical workplace

• Compensation programs that recognize high performance

• A variety of benefits dependant on role and location

• The full list of our global benefits can be also found on https://www.lonza.com/careers/benefits.

What you will do:

• Develop and structure informational materials on German labour regulations for managers, employees, and the HR Shared Service Centre (SSC)

• Support the preparation of HR training sessions (e.g., sick leave and reintegration, termination processes, disciplinary procedures, vacation rules)

• Temporarily take on local HR administrative tasks (e.g., issuing certificates/Arbeitszeugnisse, managing maternity leave processes) and help ensure a smooth handover to the HR SSC

• Monitor and follow up on HR service tickets while working closely with SSC colleagues in Manchester

• Assist in preparing key site meetings, including Townhalls, Site Leadership Team meetings, and Works Council sessions

• Support the onboarding process for new employees at the Cologne site

• Create and maintain internal communication content (Teams posts, intranet/CoLab pages)

• Contribute to Health & Safety initiatives (e.g., flu vaccination campaigns)

• Manage physical mail, scanning, archiving, and general HR document administration

What we are looking for:

• Currently enrolled at a German university with at least one year remaining in your studies

• Strong knowledge of using Microsoft office

• Field of study: Business Administration, HR Management, or a related discipline

• Native‑level German and business‑fluent English

• Strong interest in HR topics, including German labour law

• Proactive, reliable, and able to work independently

• Comfortable using digital tools, online resources, and AI‑based solutions

• Strong organisational skills and attention to detail

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.