Staff Information Security Professional (f/m/d)

About this role

About IONOS At IONOS, we don't just manage servers – we shape the digital future for more than 6.2 million customers worldwide with our solutions. As Europe's leading hosting provider and a pioneer in independent cloud solutions, we are building next-generation infrastructure – from sovereign cloud architectures and high-performance GPU clusters to integrated AI automation tools. What drives us is digital sovereignty for Europe and real impact for small and medium-sized businesses (SMBs) as well as large enterprises.

We work in agile teams, rely on transparent structures, and believe that excellence and innovation only emerge through true team spirit. Ready for your next step? Become part of IONOS and grow with us. As a member of the multinational security management team at IONOS SE, you will be working for one of Europe's largest hosters in the rapidly growing cloud sector, contributing your knowledge and experience to better protect our products and system landscape.

You will be responsible for the design and operation of an integrated management system that includes certified areas from ISO 27001, BSI IT-Grundschutz and BSI C5, among others, and is constantly being expanded. The aim is to encourage and control the implementation and operation of security mechanisms, not only to demonstrate that our products meet the security requirements of the standards, but also to increase the benefits for our customers and the company.

You will bridge ISO 27001, BSI C5, and IT-Grundschutz with emerging regulatory standards like NIS2 and KRITIS, ensuring our products maintain rock-solid compliance while enabling rapid innovation. Tasks Functional Leadership & Steering: Functionally guide project teams, engineers, and junior security peers across certification and audit initiatives. Act as the primary technical lead for new and re-certification cycles.

Integrated Management System (IMS) Competence: Architect and maintain our unified management system covering ISO 27001, BSI IT-Grundschutz, and BSI C5, ensuring lean, synergy-driven processes across international cloud infrastructures. Continuous Compliance & Audit Execution: Lead the operational planning, execution, and follow-up of internal and external security audits. Move the organization toward continuous compliance using real-time security dashboards and modern GRC tooling.