Create system designs, operating concepts and cost estimates for central security solutions and implement them, Operate an internet proxy and implement customer and security requirements (white / blacklisting, assignment of authorizations, etc.), Provide, operate and further develop the public DNS platform, Manage an IPS solution, configure rules and policies, analyze the logs and optimize the protective effect, web application firewalls, analyze logs for possible false positives and implement requirements (new rules, whitelisting, etc.), Performing the safe operation of the implemented solutions, continuously optimizing them and carry out all necessary maintenance work, Protecting the European data centers from DDoS attacks, Supporting GOSP's CSIRT, implementing their requirements and supporting the analysis and resolution of incidents