Network Engineer

We are seeking an experienced Network Engineer to take ownership of the design, implementation, maintenance, and support of complex enterprise and customer networks. This is a hands-on technical role requiring strong expertise across routing, switching, firewalls, network security, and network operations. This role is located in Redhill, Surrey

The successful candidate will act as a subject matter expert for network architecture and support, working closely with engineering, IT, and operational teams to ensure the availability, security, and performance of business-critical networks. You will also play a key role in troubleshooting complex network issues, supporting customer environments, and contributing to the ongoing development of network infrastructure and services.

Key Responsibilities of Network Engineer Act as the technical lead and centre of excellence for network design, implementation, and management. Design, build, test, deploy, and commission enterprise and customer network solutions. Support the lifecycle management of network infrastructure, ensuring performance, resilience, and security. Develop and maintain technical documentation including network diagrams, configurations, support guides, and operational procedures. Participate in network improvement initiatives and infrastructure upgrades. Support the integration of new technologies and services. Provide third-line support for complex network issues and escalations. Troubleshoot routing, switching, firewall, VPN, and connectivity issues across distributed environments. Analyse logs, network performance data, and security events to identify trends and recommend improvements. Manage planned maintenance activities and communicate outages effectively to stakeholders. Participate in an out-of-hours support rota for critical incidents and emergency support. Security & Compliance Ensure the integrity and security of network environments. Support firewall management, VPN connectivity, access control, and network segmentation initiatives. Assist with security investigations, risk mitigation, and implementation of best practices. Maintain compliance with internal security standards and customer requirements. Work closely with engineering, IT, operations, and project teams. Deliver knowledge transfer and training on network technologies and support processes. Support customer meetings and technical discussions where required. Experience of Network Engineer Minimum 5 years' experience designing, implementing, and supporting enterprise networks. Strong experience with: Fortinet FortiGate firewalls, FortiManager, and FortiAnalyzer Cisco routers ( series and IOS-XE) Cisco switching platforms (2900 and 9300 series) VPN technologies, IPSEC, BGP, OSPF, IP SLA and QoS Cryptographic and secure communications technologies Qualifications Required FCSS/FCP, CCNA, CCNP or equivalent networking certification. Degree, HND, HNC, or equivalent qualification in Networking, IT, Telecommunications, Computer Science, or a related discipline. Must be a British Passport holder This role is located in Redhill Surrey