IT System Engineer

Our client is a growing Swiss technology company that works on modern solutions in the field of drone technology and security-relevant systems. The company consciously relies on self-controlled IT systems, open-source technologies, and a consistently locally operated infrastructure. You can expect a modern technical environment with short distances, flat hierarchies, high personal responsibility, and the opportunity to actively shape architecture, automation, and security. The company offers • A full-time position with a workload of 80 to 100 percent • Workplace at the headquarters in Aadorf • A challenging task in the field of IT services and system engineering • Consistent on-premise environment with a no-cloud approach • Modern infrastructure with Proxmox, ZFS, TrueNAS, Linux, Debian, Docker, and UniFi • Plenty of room for architecture, automation, security, and technical development • Flat hierarchies, clear goals, and modern technologies • Flexible working hours with flexible working time • Attractive compensation and growing social benefits • Support for relevant further education and certifications • An environment where innovation and own ideas are actively promoted • Discounted fitness subscription directly next to the office • Free coffee for all employees • Regular team events, apéritifs, and joint meals • A long-term perspective in an exciting future market Our client wishes • Solid experience in the field of system engineering, infrastructure, or IT operations • Very good knowledge of Linux systems, ideally Debian • Experience with virtualization, preferably Proxmox • Experience with storage technologies such as ZFS and TrueNAS • Good understanding of networks, routing, VLANs, firewalls, VPN, and site-to-site connections • Experience with Docker, containers, and containerized applications • Understanding of reverse proxy, tunneling, certificates, and secure access paths • Experience with backup concepts, restore processes, and 3-2-1 strategies • Awareness of IT security, access protection, and the operation of security-critical systems • Interest in open-source technologies and on-premise infrastructures • Independent, structured, and solution-oriented working method • Willingness to take responsibility for stable, secure, and available systems • Good German language skills in word and writing • English language skills are an advantage • Experience with UniFi or Software Defined Networking is an advantage • Experience with Git, GitLab, CI/CD, and automated deployments is an advantage • Knowledge of Privileged Access Management, SSO, or Identity Management is an advantage • Experience with Zabbix, APC monitoring, or other monitoring solutions is an advantage • Experience with VDI, GPU systems, or specialized workstations is an advantage • Knowledge of building and operating AI servers or GPU infrastructure is an advantage What to expect • You operate, maintain, and further develop the internal IT infrastructure • You work with Proxmox, ZFS, TrueNAS, and virtualized server environments • You maintain Linux servers and specifically Debian-based systems • You operate and optimize containerized applications and Docker-based services • You work on your own container cluster and support automated deployments • You maintain central company applications such as telephone system, groupware, mailing, print server, and internal services • You work with Software Defined Networking in the UniFi environment • You maintain routing, firewalling, VPN, and site-to-site VPN connections • You implement reverse proxies, tunneling, and secure access concepts • You support the operation of SSO, central user identification, and internal access structures • You work with Privileged Access Management and security-relevant infrastructure components • You maintain backup concepts according to the 3-2-1 principle, including external backup • You monitor systems with monitoring tools such as Zabbix and sensor-based solutions • You support VDI environments, including graphics card support • You provide servers and infrastructure for local AI systems • You assemble, configure, and operate specialized systems in the on-premise environment • You analyze disturbances, permanently eliminate causes, and document technical solutions cleanly • You actively contribute to the architecture, automation, security, and further development of the infrastructure