Customer support: primary point of contact for clients via phone, email and remote access.
Responsible acceptance, processing and documentation of service requests and incidents.
Technical support and system monitoring: analyze, prioritize and implement sustainable fixes for incidents.
Administration of server hardware, storage systems, operating systems and networks.
Proactive monitoring of customer systems and regular health checks.
Identify root causes of problems and derive improvement measures.
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.

Completed IT training (e.g. IT specialist for system integration) or a comparable qualification.
Career changers with relevant practical experience are also welcome.
You are curious, enjoy developing further and want to continuously expand your knowledge in a modern IT environment.
Professional and friendly demeanor when interacting 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 with Windows (client/server) and Linux systems.
You are familiar with concepts such as DNS and DHCP, and you have a solid basic understanding of networking.
Good practical experience with VMware technologies (Broadcom / Omnissa) and knowledge of cloud environments.
You are interested in IT security topics and actively apply and deepen this knowledge in daily work.
Enthusiasm for new technologies and trends, especially in cloud and security, combined with a commitment to continuous learning.
Very good German language skills, both written and spoken.

Secure job: permanent contract in a stable IT environment.
Fair compensation: your work is rewarded with a competitive salary.
Work–life balance: 30 days of vacation, flexible working hours and the option to work in a hybrid model.
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 advance your professional development.
Team: an open, helpful environment where everyone matters – from apprentices to seniors.
Extras: employer contribution to employee savings plans (vermögenswirksame Leistungen) and joint events that are fun.

IT System Administrator

Key skills