Our mission:

Are you an information security professional who wants to make a real impact across a decentralized organization? You'll drive the development of our ISMS, ensure compliance with ISO 27001, and work closely with teams to turn security requirements into practical, sustainable solutions.
At Open-Xchange (OX), we develop open-source communication and collaboration software used by public sector organizations, telcos, and hosting providers to keep data secure and under their control. Our products cover email, collaboration, DNS security, and related services, and are used by millions of people worldwide.

Discover what OX offers you:

• We work in a non-hierarchical organization that empowers everyone to take responsibility, stay focused, and contribute directly to the company’s success and customer value.
• We value expertise and continuous professional development. Our professionals work closely with experienced colleagues, take ownership of their work, and continuously expand their skills.
• Openness and diversity are core to OX. Different perspectives, backgrounds,



and ways of thinking strengthen our collaboration and help us see the bigger picture.

Your team:

Working closely with Engineering, Cloud Operations, and IT Architecture, you'll help embed information security as an integral part of our products and processes. You'll create transparency around technical and organizational security measures, continuously develop our Information Security Management System (ISMS), and advise our Management Board on relevant information security matters. In doing so, you'll help ensure that security is actively considered and effectively implemented across all areas of OX.

Your new job:

Run the ISMS and ISO 27001
• Coordinate the identification and documentation of technical and organizational security measures across the OX Group, working with the responsible cells to keep documentation consistent, up to date, and traceable.
• Drive the continuous developmen

📌 Information Security Officer (Demo)
🏢 Open-Xchange
📍 Demo