Human Resources Information System Administrator (f/m/d)

As a team member, you will support our projects on site - without actually being there. You will be responsible for the following tasks:

• Familiarise yourself with the processes and structures of the International Administration Unit, supported by a structured induction period of several weeks within this Unit.
• Own and manage two HR systems (HERO Super User Role, SAP SuccessFactors) to ensure system stability, functionality and continuous optimisation.
• Administer and control user access, roles, permissions, and workflows in accordance with data security, compliance policies, and GDPR requirements.
• Coordinate and implement system configurations, enhancements, releases, and testing in collaboration with external providers and internal stakeholders to support continuous system optimisation and reliability.
• Monitor, troubleshoot, and resolve issues related to HRIS integrations and automated processes to ensure reliable data flows across connected platforms.
• Design and maintain the HR data model and reporting landscape, including dashboards and ad hoc reports, to ensure high-quality HR data and informed decision-making.
• Ensure data accuracy and integrity through regular validation and discrepancy resolution, in line with internal data quality standards and external regulatory frameworks.
• Lead and support user through training, documentation, and the development of key user communities, fostering system adoption and independent reporting within HR.