Senior IT System Administrator – MS 365 / Network at Workwise

Busse Computertechnik & Service GmbH is hiring a senior IT system administrator to manage and secure customers’ IT infrastructures, including server and network administration, Microsoft Windows and Microsoft 365 environments, WatchGuard firewall security solutions, cloud telephony integration, and customer support. The role requires 5 to 10 years of relevant IT experience, expertise with Microsoft 365, WatchGuard, and cloud telephony, independent solution-oriented work, and fluent German at C1 level. The position offers training, varied IT projects, and professional stability.