Customer support: Primary point of contact for customers via phone, email and remote access.
Independent handling, processing and documentation of service requests and incidents.
Technical support and system monitoring: Analyze, prioritize and permanently resolve incidents in the areas of virtualization, Windows and Linux server services.
Administration of server hardware, storage systems, operating systems and networks.
Proactive monitoring of customer systems and regular health checks.
Identification of root causes and initiation of improvement measures.
Planning, execution and control of managed services within agreed SLAs.
Participation in change management and consistent documentation of all activities.
Preparation of service reports and support in Continual Service Improvement (CSI).
Close collaboration with customers and internal teams to ensure stable, secure and high-quality service delivery.

Completed vocational training in the IT field (e.g. IT Specialist for System Integration) or an equivalent qualification.
Motivation and willingness to learn: You are curious, enjoy developing yourself and want to continuously expand your knowledge in a modern IT environment.
Professional and friendly demeanor when dealing with customers and colleagues is a matter of course for you.
You enjoy working in a team but can also take on tasks independently.
Proficient in working with Windows (client/server) and Linux systems.
Familiar with terms such as DNS and DHCP, and you have a solid basic understanding of networking that you can further develop in practice with us.
Good practical experience with VMware technologies (Broadcom / Omnissa) as well as knowledge of cloud environments.
Interest in IT security topics and the ability to actively apply and continuously deepen this knowledge in day-to-day work.
Enthusiasm for new technologies and trends, especially in cloud and security, combined with a commitment to ongoing professional development.
Very good German language skills, both spoken and written.

Secure workplace: Permanent contract in a stable IT environment.
Fair compensation: Your work is rewarded appropriately.
Work-life balance: 30 days of vacation, flexible working hours and the option to work hybrid.
Locations & accessibility: Offices in Frankfurt and Hennef — well connected by train and car, parking available.
Work environment: Modern IT equipment, complimentary drinks and short distances to your colleagues.
Training & development: Access to vendor certifications and real projects that will advance your professional skills.
Team: An open, helpful environment where everyone counts — from apprentices to seniors.
Extras: Subsidy for employer-sponsored savings plans (vermögenswirksame Leistungen) and joint events that are fun.

IT System Administrator

Key skills