Senior Network Engineer

As Senior Network Engineer you will design, implement and manage our Hosting services network infrastructure, lead architecture blueprints and projects, mentor engineers, and keep our networks efficient, secure and reliable. You'll join our Engineering team (24/7 NOC, DevOps, SRE, Cloud and Network Infrastructure), which delivers Managed Services to customers, from solution design and environment builds to daily operations. The role reports to the Head of Infrastructure. Key Responsibilities Design, implement and manage core on-prem network infrastructure for customer-facing hosting services Own core routing and network security, including firewalls, DDoS protection and VPNs Troubleshoot complex network issues with minimal downtime Plan and execute network upgrades, migrations and extensions Drive network automation and IaC to improve change control and efficiency Monitor and optimise network performance Support ISO 27001 compliance and mitigate risks from vulnerability and audit assessments Work with stakeholders and customers to deliver projects on time Maintain accurate designs, configurations, asset inventory and documentation Lead incident, problem and change management for the network team Evaluate emerging technologies and recommend adoption Participate in a shared on-call rota Required technical expertise Strong networking fundamentals and hands-on on-prem production experience with Cisco and Juniper Routing, switching, firewalls and VPNs Solid understanding of TCP/IP, BGP, OSPF and VXLAN Network security and high-availability design DDoS protection (e.g. Cloudflare) Software Defined Networking Automation/ IaC tooling and scripting Network observability and monitoring Requirements 5+ years managing complex networks, ideally in hosting, focused on management, security and monitoring Ready to drive ownership and change across our network infrastructure Problem-solving, can-do attitude; keeps things simple and follows best practices Familiar with ITIL processes Comfortable communicating directly with customers CCNP or JNCIP certification exposure to compliance-driven environments is an advantage What we offer Modern tech stack in a fast-paced, growing environment Direct influence on design decisions in your domain International working environment A team of highly skilled engineers EU citizenship or valid EU work visa required.