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# Senior IT Systems Administrator (Infrastructure)

- **Company:** Kassenärztliche Vereinigung Berlin
- **Location:** Berlin, Germany (Remote available)
- **Experience:** Expert
- **Salary:** €54,300.0 - €67,700.0
- **Contract:** Permanent contract
- **Skills:** Proxmox, Microsoft Windows, Apache HTTP Server, JIRA, Backup Devices, Ubuntu (Operating System), Cyber Security, Databases, Dynamic Host Configuration Protocol, Domain Name System (DNS), Monitoring of Systems, Icinga, Information Technology Operations, Virtual Private Networks (VPN), Network Security, Lightweight Directory Access Protocols (LDAP), PostgreSQL, Linux Servers, Microsoft SQL Server, MySQL, Network Service, Nginx, Performance Tuning, Windows PowerShell, Apache Solr, SQL Databases, Systems Integration, Virtual Local Area Networks, Virtualization Technology, Scripting, Firewalls (Computer Science), Gitlab, Containerization, Kubernetes, Information Technology, Deployment Automation, Software Version Control, Docker, Windows Client, Vmware
- **Published:** October 23, 2026
- **Apply:** https://www.adzuna.de/details/5937562932

## About the Role

* A completed degree in an IT-related field, training as an IT specialist for system integration, or comparable IT training; alternatively, proven relevant professional and project experience
 * At least four years of relevant professional experience and solid practical experience with complex IT infrastructures, as well as in-depth knowledge in at least two of the areas of focus listed above
 * Solid knowledge of Linux server and Windows client environments, as well as experience with Windows/Linux servers (Ubuntu) and their automated deployment
 * Experience with virtualization (VMware, Proxmox), container technologies (Docker/Kubernetes), and automation processes
 * Experience with databases (MS SQL Server, MySQL, PostgreSQL), including backup, recovery, and performance analysis
 * Proficiency with network services (VLAN, DNS, DHCP, VPN, firewalls, LDAP, RADIUS) as well as experience with backup, recovery, and IT security solutions
 * Experience with infrastructure and monitoring tools (e.g., Apache, Nginx, Solr, Icinga, Graylog, Jira/Assets), GitLab, version control, and scripting (PowerShell, SQL)
 * Knowledge of information security, data protection, and change management, as well as analytical skills, initiative, a sense of responsibility, reliability, and team spirit

## Description

The Berlin Association of Statutory Health Insurance Physicians (KV) is a public-law corporation and plays a key role in the healthcare system. We are responsible for ensuring outpatient medical and psychotherapeutic care for those with statutory health insurance in the capital. We guarantee this care in collaboration with the medical community at a high standard of quality-around the clock. Our headquarters is located in a modern office building in a central location with excellent public transportation access via bus and train., A high-performance and secure IT infrastructure is the foundation for the reliable operation of the KV Berlin. In our IT Infrastructure Solutions department, you will ensure that central IT systems and platforms operate stably and are continuously improved. As an experienced IT system administrator, you will take on challenging technical tasks, analyze complex issues, and develop sustainable solutions. In doing so, you'll contribute your expertise in various areas of IT infrastructure and actively shape its technical development.
Your Responsibilities

 * Planning, administration, and further development of central IT infrastructures, server systems, and platform services
 * Technical support for at least two key areas: servers, applications, and databases; networks and network security; storage and virtualization; and backup and recovery
 * Ensuring IT operations through monitoring, performance optimization, system hardening, and security measures
 * Analyzing and resolving complex system failures, as well as handling second-level support requests
 * Planning and implementing changes, migrations, rollouts, and automated deployment processes
 * Administering and optimizing virtualization, container, network, and data backup environments
 * Preparation of technical documentation, coordination with business departments, and management of external IT service providers
 * Participation in the IT on-call rotation to ensure the operational readiness of central IT systems