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(Senior) Information Security Professional (f/m/d)

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

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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 motivate 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.

The creation of synergies through lean processes, the skilful use of tools and the efficient, redundancy-free planning and execution of audits are an important part of your duties.

  • You will assume the role of a specialist and be able to independently manage the implementation and design of the integrated management systems.
  • You will analyse our systems, processes and products against information security standards.
  • You will qualify and evaluate measures to meet security requirements and manage projects to implement them.
  • You will plan, implement and follow up on new certifications and re-certifications.
  • You will design and produce reports and metrics and present them to senior management.
  • In addition to your main duties, you will also be involved in other security disciplines such as awareness, risk management or emergency management and will support your colleagues.


  • You have a degree in Computer Science or a comparable qualification, ideally with a specialisation in Information Security.
  • You have in-depth knowledge of compliance standards for cloud services and hosting providers in the European Union, e.g. BSI C5, BSI IT-Grundschutz, ISO 27001, GDPR, CSA CCM. Experience with industry and international regulations would be an advantage, e.g. HIPAA or BAIT/DORA.
  • You are passionate about technology and have experience of cloud services and the implications of shared ownership.
  • You are proactive, self-motivated and a good team player.
  • You have strong analytical and problem solving skills and are willing to take on challenges and explore different avenues to find practical and effective solutions.
  • You are quick to learn and can quickly familiarise yourself with new issues.
  • You are able to communicate proactively and confidently in German and English.


  • Hybrid working model with home office option.
  • Flexible working hours through trust-based working hours.
  • At some locations a subsidized canteen and various free drinks.
  • Modern office space with very good transport connections.
  • Various employee discounts for activities and products.
  • Employee events such as summer and winter parties, as well as workshops.
  • Numerous training and development opportunities.
  • Various health offers, such as sports and health courses.

Job info

Location: Work from home
Type: Full-time
Category: IT Security
Work experience: Professionals
Reference ID: 123


IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve. 

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.

Recruiting Team IONOS
Hinterm Hauptbahnhof 3-5
D-76135 Karlsruhe