Senior IT-Systemadministrator:in Infrastruktur & Linux (m/w/d)
Core
Senior IT System Administrator responsible for the stable, secure, and future-proof operation of the company's entire on-premise infrastructure, including servers, networks, and containerized environments.
Role type
Senior hands-on IC infrastructure engineer (Linux/On-Premise)
Builds
On-premise server and network infrastructure, containerized environments, and automation scripts for deployments and backups.
Domain
Industrial automation and building technology (Electro-technical services)
Required skills
Linux administration, Docker & container orchestration, network administration (LAN, VLAN, VPN, Routing), scripting/automation, security hardening, disaster recovery planning, architecture decision-making
Preferred skills
Open-source strategy implementation, 2nd/3rd-level troubleshooting, technical sparring with IT leadership
Technologies
Linux, Docker, Container Orchestration, TCP/IP, Firewalls, VPN, Open Source
Responsibilities
Configure, harden, automate, and maintain on-premise server landscape (Linux & Windows); Build, manage, and optimize containerized environments; Administer and develop network structures (LAN, VLAN, WLAN, Routing, VPN); Perform deep hands-on troubleshooting at the system level; Create scripts for automation of deployments, backups, and routine processes; Implement robust security measures and backup/disaster-recovery concepts; Collaborate with IT leadership on architecture questions and technical modernization projects
Seniority
Senior, hands-on IC