IT System Administrator Network and Security (m/f/d)

For citizens, it is our vision for which we are committed. As an IT company based in the heart of Olden­burg, KDO stands for security, flexibility and strong supportive fellowship. Join our mission and make public administration smart with us! Come on board and become part of our crew as IT-System Administrator (m/w/d) (code 2026-62) You have experience with networks, firewalls and VPNs and want to use your technical know-how specifically? With us, you are responsible for the operation and further development of our network and security infrastructure and, together with the team, ensure a stable and secure IT operation.

You manage and optimize our network components – from routers and switches to firewalls and WLAN You enter our firewall and VPN solutions and secure their safe and reliable operation In network faults, you analyze the causes, correct errors and develop sustainable solutions With modern monitoring tools, you will keep our infrastructure in mind, recognize vulnerabilities early and guide appropriate measures You enter the network connections of our local customers and develop our WAN and site networking You bring your ideas into technical projects, implement new solutions and continuously improve our infrastructure and operations In the day-to-day business and projects, you work closely with colleagues and internal and external stakeholders.

A completed training or study in the IT field or a comparable qualification Knowledge of TCP / IP, routing, switching and VLAN Practical experience in network administration, firewalls and VPN technologies Ideally experience with Cisco, Fortinet or comparable manufacturers Experience in systematic error analysis and Troubleshooting Knowledge of network monitoring, WLAN and network segmentation are advantageous A responsible, structured and solution-oriented way of working as well as team skills, customer orientation and very good German skills complete your profile

Custom onboarding, tight sampling time and your personal sponsor (m/w/d) Flexible work at home and in Flex Office Training opportunities and regular development talks Certified occupational health management with Hansefit, health events, external consulting services and more Corporate Benefits, such as employee events, employee rebates, discounted Germany ticket as well as old-age provision and support for child care costs