IT System Administrator (m/f/d) Plan.tec. GmbH & Co. KG IT System Administrator (m/f/d) with open-source vibes wanted! Garbsen, Germany (hybrid) Employee IT Hey you! Do you want to do more than just keep servers running? Do you want to liberate IT landscapes? We're not about rigid corporate IT, but about real solutions—with Linux, Proxmox, and lots of open source. If you're interested in working with us to advance the digital sovereignty of our customers (and your own), then read on! Tasks Your mission: Rebuild infrastructures: From proprietary to open source – you migrate systems and make them independent. Rocking security: With OPNsense, Wazuh & Co., you build fortresses that are not just "somewhat secure." AI & automation: You integrate smart solutions so that systems can heal themselves (and you have more time for coffee). Share knowledge: You document and train customers—because freedom only works when everyone understands it. Qualifications What you bring to the table: Love of Linux: The console is your home, Bash is your best friend. Proxmox pro: Virtualization is not rocket science for you, but part of your everyday life. Security mindset: You think in terms of risks and solutions – not "We've always done it this way." Pragmatic hacker spirit: You like to try new things (home lab? GitHub projects? Bring it on!). Bonus: Experience with Odoo or ERPNExt (ERP/CRM) or a desire to learn about them. Benefits What we offer: Fair salary Hansefit, bike leasing & more. Company car – also for private trips (yes, really!). Flexibility: Home office, flexitime, and a culture where you can be yourself. Learning budget: We invest in your further education – whether certificates or new tools. Team events: From barbecues to hackathons – it never gets boring with us. Ready for the next level? Then send us your application. PS: We look forward to meeting you—and don't worry, we don't bite. Promise. Plan.tec. GmbH & Co. KG 11-50 employees Wholesale: Computer equipment Plan.tec. is a leading IT system provider for large-format printing for CAD, AEC, and GIS. With printing, scanning, and copying systems from renowned manufacturers and innovative software solutions, we optimize our customers' printing processes in the technical and graphic fields. With around 35 employees and our nationwide network of our own service stations and strategic partnerships, we ensure reliable and fast on-site service. Website LinkedIn