Senior Network Engineer (Surrey)

(SC CLEARANCE ELIGIBILITY IS ESSENTIAL) Senior Network Engineer Location: Surrey - 2 days on-site Type: Permanent We are seeking an experienced Senior Network Engineer to join a dynamic technology team responsible for the design, support, optimisation, and ongoing development of a complex enterprise network environment. This is a hands-on technical role with a strong focus on Palo Alto Networks firewalls and network infrastructure, supporting business-critical services across LAN, WAN, wireless, internet connectivity, remote access, and data centre environments. You will play a key role in maintaining network performance, availability, resilience, and security while contributing to infrastructure improvement projects and operational excellence. Key Skills & Experience • Strong hands-on experience with Palo Alto Networks Firewalls and associated next-generation networking services. • Proven experience supporting and developing enterprise Layer 2 and Layer 3 network infrastructure. • Strong routing, switching, and network troubleshooting skills. • Experience managing enterprise LAN, WAN, internet connectivity, and wireless networking solutions. • Knowledge of Cisco Nexus switching environments. • Experience supporting network load balancing technologies. • Strong incident management and problem-solving capabilities. • Experience implementing and maintaining network standards, documentation, and operational procedures.