Staff Cyber Security (f/m/d)

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 Cybersecurity Engineer, you will play a crucial role in ensuring the security of our applications and systems. You will be responsible for identifying security risks, conducting security assessments, and developing security solutions to support our operations and development colleagues towards more resilient and robust applications. This role offers the opportunity to work on challenging projects and collaborate with cross-functional teams to implement best practices in cyber and information security.

Tasks

Collaborate with technical teams to integrate security controls and measures into the software development lifecycle and secure operations procedures.

Build a holistic architecture covering baseline security needs and enhanced level of protection to address critical security risks.

Conduct security assessments, such as penetration tests, threat modellings, and concept reviews.

Develop and run technical security tools to ensure central security controls such as vulnerability management or compliance of self-managed workstations.

Design and execution of targeted application and infrastructure security trainings.

Qualifications

The basis for this challenging position is in-depth experience in the field of information security.

You also have the intrinsic motivation and passion to keep your knowledge up to date.

You understand the aspects of modern agile product development and you have hands-on experience with DevSecOps concepts.

You have experience with technical security audits of all kinds (white-box and black-box), ideally in regulated and certified environments, such as KRITIS, PCI-DSS.

You are fluent with at least one programming language, ideally in Python and/or Java and experienced in modern virtual machine and container environments.

You’re a true team player, always leading by example. You’re comfortable with leading projects and stakeholders efficiently also in stressful situations.

Strong problem-solving skills, good English skills, quality awareness, personal responsibility and the ability to work in a team round off your profile.

Benefits

Hybrid working model.

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.

Application Note

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.