Linux System Admin

About Us.PST.AG is a growing medium-sized business with headquarters in the historical city of Weimar, Germany. With continuous coordination with legal authorities from around the world (e.g. customs authorities, export control authorities). PST.AG is the leading provider of customs/global trade data, helping companies from a diverse range of industries.You are exceptionally talented, bright, and driven people. Razor-sharp eyes for detail push them through their workdays and keep them determined to meet high standards. Does this sound like you? Then you might want to consider a career as our next team member.We are looking for a motivated IT Administrator to support and improve our 100% Linux, fully self-managed infrastructure (no AWS/cloud). This role is ideal for someone with a solid Linux foundation who enjoys learning, problem-solving, and working independently.JOB LINK: https://careers.pst.ag/jobs/it-linux-system-administrator-104What You’ll DoMaintain Linux servers/endpoints (Debian/Ubuntu), networks, VPNs, and internal services.Troubleshoot issues across systems, applications, and networks.Monitor performance, uptime, and security of servers and network infrastructure.Support deployments, updates, automation tasks, and system improvements.Manage firewalls, DNS/DHCP, routing, authentication, and general network configuration.Assist with designing and deploying new services and enhancements.What You Need5+ years of Linux administration experience (Debian/Ubuntu preferred).Experience with scripting/automation and troubleshooting Linux systems.Comfortable working in a small team with minimal supervision.Bachelor’s degree in Computer Science (or equivalent experience).Helpful Experience (Nice To Have But Not Required)GitLab/GitHub, Prometheus, GrafanaPython, Java, or Node.jsPostgreSQL, MySQL, or ArangoDBFirewalls (iptables/nftables), Apache/Nginx, or Apache NiFiREST APIs, Scrapy, self-hosted proxiesInterest in AI/LLM tooling or remote-first workWorking HoursShifts may end at 3pm Central European Time (CET)If you love Linux, enjoy self-hosting, and want to grow your skills across networking, automation, and systems administration, we’d love to hear from you.