We are seeking a Principal Network Engineer (Level I or II) to join a world-class engineering team responsible for designing, securing, and optimising a large-scale global network. You will play a key role in evolving a high-performance infrastructure that supports complex routing, automation, and next-generation security. This is a deeply technical, hands-on position, ideal for engineers who want to work on challenging architecture and drive best practice across the business. If you are a technologist who thrives on solving problems, enjoys working in a collaborative global team, and brings a passion for networking excellence, we would like to hear from you. Key Responsibilities Architect, design, and deploy advanced enterprise and data centre network solutions Lead implementation and troubleshooting across Palo Alto and Juniper environments Deliver robust routing and segmentation using EVPN, VXLAN, and BGP Optimise firewall and security services including Threat Prevention, Wildfire, URL Filtering, and Panorama Work closely with global peers to ensure scalability, security, and high availability Act as a technical mentor and thought leader within the network engineering function Contribute to continuous improvement, automation, and adoption of new technologies Required Experience Proven, hands-on expertise with Palo Alto firewalls (advanced CLI configuration essential) Experience with Juniper routing and switching - particularly QFX and MX platforms (Apstra a plus) Deep understanding of EVPN, VXLAN, BGP, and related routing protocols Strong troubleshooting skills and a track record of delivering production-ready solutions Comfortable explaining design decisions and architectural trade-offs Excellent communicator - able to collaborate across time zones and teams Preferred / Nice to Have Familiarity with Prisma Access, Cortex XSOAR, or Prisma Cloud Knowledge of automation, scripting, or orchestration tools Experience working in multi-site or multi-cloud enterprise environments Working Environment Global team distributed across the UK, Ireland, and North America Collaborative culture with an emphasis on innovation and continuous learning Flexible hybrid or remote working options Encouraged use of AI tools to improve productivity, backed by strong technical understanding Please apply now if you are matching the above criteria, or contact Andrew Harrison directly. Skills: Palo Alto VXLAN EVPN BGP Prisma Juniper Benefits: Work From Home