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We’re looking for a Senior Network Engineer to help us evolve our network landscape from a strong Virtual Private Cloud foundation towards combined private and public cloud environments, with a clear roadmap towards future hybrid solutions. In this role, you will design, implement, and operate network infrastructures that support our growing SaaS platforms, both on-premise and in Microsoft Azure. Key About Your Team As a Senior Network Engineer, you will join our Core-IT team of 22 professionals; currently responsible for a robust Virtual Private Cloud platform whilst actively expanding into Azure public cloud. The team operates across The Netherlands and India. Your primary base would be in Utrecht, working closely with 17 colleagues specializing in Networking, Virtualization, Backup, Security, Monitoring, and related disciplines. Check out our blog posts and videos to see what it is like to work at Keylane. Key About Your Role You will support an IT infrastructure serving approximately 35 major clients in the pension and insurance sectors; impacting millions of users across Western Europe. Our platform consists of Dell and Cisco hardware, a fully virtualized VMware environment, and an emerging Azure landscape. You will play a key role in building and shaping our Azure network foundations and preparing the organization for future hybrid connectivity. You will work at the intersection of architecture, engineering, and operations, contributing directly to the strategic evolution of our platform. Alongside this, the daily maintenance and operations of our existing Virtual Private Cloud. You will work with Cisco (ASA, ISR, Nexus, ACI), Nvidia (Mellanox), VMware, NSX, and Microsoft Azure networking services. Key About Your Responsibilities • Transitioning from VMware NSX to Cisco ACI • Designing and implementing Azure network architectures (VNets, routing, security) • Laying the groundwork for future private–public cloud connectivity (VPN / ExpressRoute) • Selecting and positioning new network components (switches, firewalls) • Decommissioning legacy environments • Designing and improving a secure and hardened network architecture across private and public domains