Customer support: Primary 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 related to 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.
Identify root causes and derive improvement measures.
Managed services: Plan, execute and control managed services within agreed SLAs.
Participate in change management and consistently document all activities.
Prepare service reports and support continual service improvement (CSI).
Work closely 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 in system integration) or a comparable qualification.
Career changers with relevant practical experience are welcome.
Motivation and willingness to learn: You are curious, eager to develop and want to continuously expand your knowledge in a modern IT environment.
Service orientation: Professional and friendly demeanor when dealing with customers and colleagues is a matter of course for you.
Communication skills and team spirit: You enjoy working in a team but can also take on tasks independently.
Technical foundation: Confident handling of 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) and knowledge of cloud environments.
Interest in IT security: You are interested in IT security topics and actively apply and deepen this knowledge in day-to-day work.
Technology affinity: Enthusiasm for new technologies and trends, especially in cloud and security, combined with a willingness to keep learning.
Language skills: Very good German language skills, both written and spoken.

Secure job: 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 beverages and short distances to your colleagues.
Training: Access to vendor certifications and real projects that will advance your technical skills.
Team: An open, supportive environment where everyone counts — from apprentices to seniors.
Extras: Employer contributions to capital-forming savings (vermögenswirksame Leistungen) and joint events that are fun.

IT System Administrator – m/f/d

Key skills