Responsible for the operation, configuration, and further development of our HR system Personio, Optimize central HR processes such as personnel administration, time management, reporting, and payroll interfaces, Integrate Personio into our existing IT landscape, including Entra ID/Azure AD, M365, and identity and access management, Maintain and further develop user, role, and authorization concepts, Responsible for data protection (GDPR), information security, and compliance, Play an active role in system implementations, rollouts, migrations, and international HR projects, Create documentation, training materials, and meaningful dashboards and reports, Work closely with HR key users, external service providers, and software vendors