IT System Administrator (m/f/d)

IT System Administrator (m/f/d)

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IT System Administrator (m/f/d)

Administration

Hartmannsdorf

Posted on May 20, 2026

Website aconnic

Full-time | Permanent Position | Starting Immediately | Hartmannsdorf

Are you passionate about IT system administration and looking for a varied role in an international company? Would you like to manage modern IT infrastructures, drive exciting projects, and take responsibility in a dynamic environment? If you are eager to learn new things, develop professionally, and expand your IT expertise, then become part of our team.

Your Mission

You will plan, implement, and maintain the IT infrastructure of aconnic and NewTal, ensuring system availability and performance.

You will administer Microsoft and Linux servers as well as virtualization environments using VMware, Hyper-V, and Proxmox, ensuring a stable and high-performing IT landscape.

You will manage our network infrastructure using Fortinet firewalls and HPE switches, configure routing and VLANs, and optimize security and performance.

You will administer Active Directory, DNS, DHCP, and other domain services, ensuring smooth integration.

You will plan and execute updates and patches to maintain system stability, security, and up-to-date IT environments.

You will develop and manage our Microsoft 365 environment, including Entra, Intune, SharePoint, Teams, and Exchange Online.

You will support Microsoft Terminal Servers, Remote Desktop Services, and our backup infrastructure based on Veeam Backup & Replication.

You will provide 1st and 2nd level support, resolve complex IT issues, and coordinate IT projects in server and network environments together with internal and external partners.

Your Profile

Successfully completed degree in Computer Science, Information Technology, Communications Engineering, a comparable IT qualification (e.g., IT Specialist for System Integration), or several years of experience administering enterprise IT environments.

Experience in system integration and operating modern IT infrastructures.

Confident handling 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 language skills and good English language skills.

Strong teamwork skills, sense of responsibility, and a reliable working style.

Willingness to learn, motivation for continuous development, and a proactive hands-on mentality.

Ability to work independently and maintain oversight even in complex IT environments.

Your Benefits

In addition to a secure position in the growing telecommunications industry with flat hierarchies, an open and appreciative work culture, and the opportunity to take ownership in your area of responsibility, you can look forward to:

Monthly non-cash benefit card (Givve Card) as a tax-free employee benefit.

Decision-making processes at eye level based on democratic principles.

Flexible working hours with the option of up to two days of remote work per week, no shift work, and no on-call duties.

Healthy work-life balance.

Support for internal and external training opportunities so we can learn and grow together.

Opportunity to take a sabbatical.

Health management initiatives because we care about our employees (e.g., on-site massages).

Subsidized employee cafeteria with varied breakfast and lunch options, meal allowances, and free beverages.

Employee parking spaces.

Social intranet platform for sharing updates and staying connected.

Our Vision

aconnic develops, manufactures, and delivers gigabit communication systems for international customers operating critical infrastructure. Our customers include telecommunications operators, utility providers, and transportation service companies.