Senior Network & Infrastructure Engineer (f/m/d)

Your mission JTL is one of the leading providers of e-commerce software in the German-speaking region — with around 450 employees across the group and more than 50,000 customers across a wide range of industries. We develop scalable, flexible solutions for the online retail of the future, from ERP systems to shop and marketplace integrations. You'll join our Infrastructure & Platform team — nine people responsible for hosting and for on-premises and cloud infrastructure across multiple sites. We run production environments in our own data centers (DDU, Equinix colocation), at Hetzner, and in Azure. Networking isn't a side topic here — it's a core responsibility: you'll take dedicated ownership of everything network-related and be the team's central point of contact for it. Your Responsibilities Configure and manage switches, firmware upgrades, and IPsec and OpenVPN tunnels Maintain the Wi-Fi infrastructure across all company sites Monitor and coordinate our Equinix colocation environment, and handle communication with the provider Maintain DNS zones and own network design and architecture Handle VPN helpdesk tasks and support network troubleshooting across teams Act as the interface to the ITA team for all cross-functional network topics Plan and implement routing between Azure and our DDU data center Your profile You have several years' experience configuring and managing network infrastructure (switches, routing, firewalling) You know IPsec and OpenVPN tunnels inside out — not just in theory You have experience with DNS management and Wi-Fi operations in multi-site environments You're familiar with colocation operations (e.g., Equinix or comparable) You work independently and in a structured way, and you communicate clearly — including with non-technical stakeholders Good German language skills (at least B2 level) Nice to have Azure networking knowledge (VNets, VPN Gateway, routing) General Azure cloud experience (IaaS, VMs, storage, subscriptions) Why us? Remote-first within Germany, with the option to work remotely from eligible countries for up to 180 days per year Meal allowance of up to €115 net per month Ergonomic workspace allowance for your home office setup Regular team events, company-wide gatherings, and summer and Christmas parties to stay connected as a remote-first company EGYM Wellpass and JobRad subsidy Financial benefits including capital-forming payments (Vermögenswirksame Leistungen) and a company pension scheme About us JTL is one of the leading providers of e-commerce software in the German-speaking region – with around 450 employees across the group and 50,000 customers from a wide range of industries. We develop scalable, flexible solutions for the online retail of the future – from ERP systems to shop and marketplace integrations. Fairness and respect are part of our everyday practice. Are you committed, curious, and eager to work in a team while taking on responsibility? Are you looking for a job where Monday isn’t the worst day of the week? Then we look forward to receiving your application!