Network administrator (m/f/d)

Bonjour, Servus, Grüezi and Hello, we are SPIE Germany Switzerland Austria. We - these are 20,000 technology enthusiasts at 250 locations in Germany, Switzerland, Austria and beyond, which together with our customers make themselves strong for a climate-friendly and digital future. With our extensive expertise and enthusiasm for technical service we give the best for our customers - every day, in every project. SPIE Germany Switzerland Austria is a company unit of the SPIE Group, the independent European market leader for multi-technical services in the fields of energy and communication. More information: About us You feel at home in complex network environments and keep a cool head even in case of malfunctions? Switching, routing, WLAN, firewalls and WAN infrastructures are not just terms for you, but your daily craftsmanship? Do you not only want to run networks, but actively develop them and help shape them in exciting integration projects? Then you are right with us as a network administrator:in (m/w/d)! We are looking for someone who reliably manages our network landscape, drives innovative solutions and, with technical know-how and structured work, makes an important contribution to a stable and sustainable IT infrastructure. Network Administrator (m/w/d) Place of use: Düsseldorf Reference number: 2026-0809 Working time: Full time

You take the rollout as well as the reliable operation of our network infrastructure in the areas of switching, routing, WLAN access points as well as SD-WAN and VPN routers You are implementing, configuring and pflegst firewall rules You’ll start and provide technical documentation and work actively in Incident Management You analyze disturbances on the basis of monitoring events and permanently fix errors You are responsible for the maintenance and configuration of central DNS and DHCP systems You process system disorders structured through a ticket system You are planning adjustments to the WAN infrastructure and responsible for the entire lifecycle of the WAN connections You actively shape the design and the continuous development of the entire network environment You work in projects to integrate newly acquired companies with

You have completed IT vocational training, e.g. as a specialist:in for system integration You have profound knowledge of the configuration and operation of Aruba and Cisco switches You have very good knowledge in handling monitoring systems such as Checkmk, PRTG or Zabbix You have experience in managing client server applications and their network infrastructures You have experience in software-defined networking You could ideally gain first experience with automation platforms like Ansible You like to work in the team and draw your attention through a high service and solution orientation You have very good German and good English skills

Attractive salary: + proportional 13. Monthly income + employee share holding programme Flexible working time models: from 7 to 22 hours, mobile work Many holiday days: 30 days + Christmas/Silvester + 2 days optional due to change of pay Perspectives + SPIE Academy: diverse development opportunities in various areas as well as individual, professional and personal training and development Good people know good people: employees recommendation program with up to 2.550 € premium for successful occupation Chance to do something: to help shape a climate-friendly future, work in the EUREF campus Düsseldorf: an international showcase of the energy transition Other: Access to Corporate Benefits as well as service bike leasing possible Sounds like your next career step? We look forward to your application as a network administrator:in (m/w/d). .