Customer support: Central point of contact for customers via phone, email and remote access.
Independent intake, processing and documentation of service requests and incidents.
Technical support and system monitoring: Analyze, prioritize and sustainably 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 derivation of improvement measures.
Managed Services: Planning, execution and control of managed services within agreed SLAs.
Participation in change management and consistent documentation of all processes.
Preparation of service reports and support for Continual Service Improvement (CSI).
Close collaboration with customers and internal teams to ensure stable, secure and high-quality service delivery.

Professional background: Completed vocational training in the IT field (e.g., IT specialist for system integration) or an equivalent qualification.
Career changers with relevant practical experience are also welcome.
Motivation and willingness to learn: You are curious, enjoy developing professionally and want to continuously expand your knowledge in a modern IT environment.
Service orientation: A professional and friendly manner when dealing with customers and colleagues is a matter of course for you.
Communication skills and teamwork: You enjoy working in a team but can also take responsibility for tasks independently.
Technical foundation: You are proficient in working with Windows (client/server) and Linux systems.
Terms like DNS and DHCP are familiar to you, and you have a solid basic understanding of networking that you can further develop with us in practice.
Virtualization & Cloud: Good practical experience with VMware technologies (Broadcom / Omnissa) as well as knowledge of cloud environments.
Interest in IT security: You are interested in IT security topics and apply this knowledge actively in day-to-day operations or continuously deepen it.
Technology affinity: Enthusiasm for new technologies and trends, especially in the areas of cloud and security, combined with a willingness for continuous training.
Language skills: Very good German language skills, spoken and written.

Secure workplace: Permanent contract in a stable IT environment.
Fair compensation: Your contribution is remunerated 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 spaces included.
Work environment: Modern IT equipment, free beverages and short distances to your colleagues.
Training: Access to vendor certifications and real projects that advance your professional skills.
Team: An open, helpful environment where everyone counts — from trainees to seniors.
Extras: Subsidy for employee savings contributions (vermögenswirksame Leistungen) and joint events that are fun.

IT System Administrator

Key skills