Senior System Engineer (m/w/d)
Core
Designing, operating, and modernizing enterprise IT infrastructure including Linux/Windows servers, networking, virtualization, and storage systems.
Role type
Senior System Engineer (Infrastructure)
Builds
Production IT infrastructure services and specialized solutions for internal business units.
Domain
IT Infrastructure / Enterprise Systems
Required skills
Linux server administration, Windows Server administration, Network operations (Firewalls, Routing, Switching, VPN), Virtualization (Proxmox, VMware/ESXi), Storage and Backup systems, Process automation (Ansible, Shell/Python), System monitoring and patch management
Preferred skills
Cloud platforms (AWS), Infrastructure as Code (IaC), Microsoft 365 / Entra ID, Security hardening, Container orchestration (Docker, Kubernetes), PKI management, MDM/MAM solutions, Regulated environment experience (KRITIS, ISO 27001)
Responsibilities
Operate, develop, and modernize IT infrastructure (Linux & Windows); Administer and develop network infrastructure (Firewalls, Routing, Switching, VPN); Manage virtualization and storage systems; Support specialized applications; Plan and execute maintenance, patch management, and monitoring; Analyze, automate, and document IT processes; Collaborate with DevOps, Helpdesk, and Network teams; Participate in IT projects (VM modernization, PKI, KRITIS compliance)
Seniority
Senior, hands-on IC
