You plan, implement and maintain the IT infrastructure for aconnic and NewTal, ensuring system availability and performance
You manage Microsoft and Linux servers as well as virtualization environments including VMware, Hyper-V and Proxmox, ensuring a stable and high-performing IT landscape
You maintain our network infrastructure with Fortinet firewalls and HPE switches, configure routing and VLANs, and optimize security and performance
You administer Active Directory, DNS, DHCP and other domain services and ensure their seamless integration
You plan and apply updates and patches to ensure stability, security and currency of our IT systems
You develop and manage our Microsoft 365 environment including Microsoft Entra, Intune, SharePoint, Teams and Exchange Online
You maintain Microsoft Terminal Servers, Remote Desktop Services and our backup infrastructure based on Veeam Backup & Replication
You support users at 1st
and 2nd-level support, resolve complex IT issues and coordinate server
and network-related IT projects together with internal and external partners

Successfully completed degree in Computer Science, Information or Communication Technology, a comparable IT qualification (e.g., IT specialist for system integration / Fachinformatiker für Systemintegration) or several years of experience in administering IT landscapes in a corporate environment
Experience in system integration and operating modern IT infrastructures
Confident knowledge of Microsoft client and server operating systems, Linux and Apple macOS
Experience with VMware (ESXi, vCenter), Veeam Backup & Replication and Microsoft 365 environments
Fluent German and good English skills
Strong teamwork, a sense of responsibility and a reliable working style
Willingness to learn, a desire for continuous professional development and a proactive hands-on mentality
Ability to work independently and maintain an overview even in complex IT environments

Monthly non-cash benefit card (Givve Card) as a tax-free benefit
Decision-making at eye level, based on democratic principles
Flexible working hours with the option to work remotely two days per week, no shift work and no on-call duty
A healthy work-life balance
Support for internal and external training opportunities so we can learn and grow together
Option to take a sabbatical
Health management because we care for you (e.g., on-site massages)
Subsidised staff canteen with varied breakfast and lunch options, meal subsidies and free drinks
Employee parking
Social intranet for sharing news and staying connected

IT System Administrator – m/f/d

Key skills