IT Security Specialist (w/m/d)

In an international environment, you will work in a scrum team, primarily with colleagues from the USA, Germany and India, on the development of new features and, with a DevOps mindset, support the creation of pipelines and the operation of our software in the cloud.


• You work with cross-functional, international business and technology teams and support them in various security topics such as cloud computing, identity and access management, Kubernetes/Docker, DevSecOps
• You develop IT security concepts and continuously adapt them to the risk situation
• You establish secure logs to identify and eliminate potential threats
• You support product development in the early integration of security aspects into the design phase to eliminate risks
• You decide, review and update cybersecurity software
• You assess security breaches and take appropriate action
• You work with the ISMS already deployed, identifying assets, owners and reporting to the relevant stakeholders

In all tasks you will communicate with the IT departments and other stakeholders, including customers, managers and colleagues.
If you have the right professional background and can convey complex content in an understandable way in both German and English, then you are the right candidate for us!

What you bring along

  • You see it as a challenge that needs to be overcome when the code does not comply with state-of-the-art rules
  • You have professional knowledge of PHP7/PHP8 and preferably a framework (Symfony/Zend).
  • You are comfortable with MySQL and ideally MariaDB
  • Ideally, you also have experience in SQL query performance analysis and optimization
  • You use version control systems like Git every day
  • Additional knowledge of HTML/CSS with JavaScript, Docker and composer is an advantage
  • Good German and English skills, which enable you to exchange ideas with colleagues worldwide, round off your profile

What we offer

We offer you an innovative, flexible and open working environment. Freedom to participate, ideas, independent work and creativity are required. It’s your chance to shape tomorrow’s future AND create an experience while working with people who are just as passionate as you are. And of course the framework fits too:

Our main office is in Cologne, but there is the option of working from our offices in Cologne, Berlin, London or from the home office (up to 100% possible).

Company pension plan
Dogs welcome
Sports activities


As we are internationally positioned and part of the corporate communication takes place in English, a good command of English is necessary. The working location can be either in Cologne, remotely or in London. As the international team is already involved in the application process, please send the short application and/or CV in English.

We look forward to meeting you in person soon.

Tivian XI GmbH
Human Resources | Johanna Dinges
Christophstr. 15-17 | 50670 Köln
Tel.: +49 221 27169 820