IT System Administrator – Data Center & IT Security (m/f/d)

You take over the administration, operation and continuous development of Microsoft 365, Azure, Entra ID, Intune and Defender You have your specialist focus on identity and access management, endpoint management and IT security solutions You enter, wait and optimise network, VPN and firewall infrastructures You design, implement and manage secure authentication solutions, especially in the Single Sign-On area You administrate and care Windows server systems You continue to operate, develop and optimize virtualization solutions such as Hyper-V and Azure Local You work safely in highly available cluster environments You manage, monitor and optimize backup and recovery solutions (e.g. Veeam) You develop monitoring solutions and take analysis, troubleshooting and sustainable troubleshooting You support complex IT requests and disruptions in 2nd and 3rd level support You create, care and continuously develop technical documentation

You have a completed training (m/w/d) in IT or a comparable qualification You have knowledge of basic network technologies such as OSI model, DNS, DHCP, routing and VPN You bring practical experience in handling Microsoft cloud and server technologies You have knowledge of secure authentication procedures (e.g. SSO, SAML, RADIUS) You have experience in virtualization, especially with Hyper-V You have several years of practical experience in operation and in the further development of complex IT infrastructures You are sure to go with hybrid IT environments (cloud and on-premises) You have experience with cluster systems and cross-site networks You ideally have certifications in the Microsoft, Security or Network environment

We are a medium-sized, growing family business - only with our employees we can be successful in the future. Each individual is encouraged to introduce his ideas, energy and initiative. We offer not only our customers, but also our employees a real added value. It is important to give us something back and create a working environment where it is fun to work: Ergonomic jobs/ resources Free operational health insurance Grant for Hansefit membership Submit to the lunch table Attractive online discount on corporate benefits Childcare allowance Offers in the company's employee shop with annual credits Bonus systems Recovery aid Cycling leasing Company e-boat usage on the Dümmer Offer of sustainability projects and corporate events