IT Netzwerk Administrator managing and developing hybrid IT infrastructure for digital transformation. Ensuring stability and security while collaborating on IT projects and maintaining systems.
Responsibilities
You play a key role in the ongoing development and assurance of our hybrid IT infrastructure
You ensure stability, performance and the highest security standards
You design, administer and further develop our LAN, WLAN (Wi‑Fi) and WAN infrastructure
You operate and optimize our cloud and on-premises environments (Azure, Windows Server, VMware/Hyper-V)
You administer Active Directory and Azure AD, including GPOs, SSO, Conditional Access and MFA
You manage and optimize our Citrix infrastructure
You monitor and maintain our backup and recovery solutions
You ensure the secure operation of our IT security technologies (firewall, VPN, endpoint protection, patch management, SOC, SIEM)
You handle service requests and incidents at 2nd-level support
You plan and oversee hardware and OS lifecycle management
You implement automation (e.g., PowerShell, Terraform, Ansible)
You coordinate external service providers
You actively participate in IT projects, taking responsibility for quality assurance and documentation
You participate in SOC on-call duty
Requirements
You have a degree in an IT-related field or an equivalent qualification
You have several years of experience administering complex hybrid IT infrastructures
You have solid knowledge of network architectures (routing, switching, VLAN, DNS, DHCP, VPN)
You have experience with Azure, Windows Server and virtualization (VMware/Hyper-V)
You are proficient in Infrastructure as Code (PowerShell, Terraform, Ansible)
You are proficient in administering AD / Azure AD
You have experience operating Citrix Virtual Apps & Desktops
You are familiar with modern backup tools (e.g., Veeam, Commvault, Veritas, Rubrik)
You have strong knowledge of IT security (Zero Trust, endpoint security, patch management)
You work confidently with ITIL processes and ticketing systems (ServiceNow, Jira, OTRS)
Benefits
Permanent employment contract & 30 days of vacation
Work directly on Kurfürstendamm (Ku'damm) in Berlin with good transport connections
Free parking: directly in front of the office for a stress-free start to the workday
Mental health support: anonymous professional counseling through the Fürstenberg Institute for work-related or personal challenges
Special occasion bonuses: financial contributions for life events such as birth, marriage and company anniversaries
Diverse employee offers: exclusive discounts, company bike program (JobRad), company pension plan and more
Offers such as company and sports events and other team-building activities
Comprehensive onboarding into your area of responsibility so you can hit the ground running
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