Network Engineer - Communications Location: Redhill, Surrey Sector: Engineering and Communications Salary: £40-50,000 A leading engineering and communications technology organisation is seeking an experienced Network Engineer to support the maintenance, optimisation, and security of both internal and customer-facing networks. This position offers the opportunity to work across complex, high- availability environments spanning satellite communications, maritime technology, defence, and enterprise infrastructure. The successful candidate will play a key role in network design, deployment, troubleshooting, security, and ongoing support across multi-site and customer environments. Key Responsibilities: Network Engineering & Technical Support • Act as a technical lead for network design, configuration, and management • Support the full lifecycle of internal and customer network infrastructure • Design, build, test, commission, and maintain secure networks • Troubleshoot complex routing, firewall, latency, and performance-related issues • Produce and maintain network documentation, schematics, configuration records, and support guides • Support network integrity, resilience, and cyber security across operational environments • Collaborate with engineering, IT, infrastructure, and customer support teams Technical Environment Strong experience across several of the following technologies is required: • Fortinet FortiGate Firewalls, FortiManager, FortiAnalyzer • Cisco Routers (29xx / 4xxx / 83xx series, IOS-XE) • Cisco Switches (29xx / 93xx series) • VPNs, IPSEC, BGP, OSPF, QoS, VOIP, IP SLA • Linux systems • Cryptographic/network security technologies Additional desirable experience includes: • MPLS • 802.1x • Multicast networking • Docker • Python scripting • Satellite communications or maritime communications environments Skills & Experience • Minimum 5 years’ experience designing and supporting enterprise or operational networks • Industry certifications such as FCSS/FCP, CCNA, CCNP, or equivalent • Strong troubleshooting and fault-finding capability across complex network environments • Excellent communication and stakeholder engagement skills • Ability to work independently and manage multiple priorities • Strong documentation and planning skills with high attention to detail • Telecommunications, satcom, defence, or maritime industry experience highly advantageous • Must be eligible for, or able to obtain, UK DV Security Clearance Security Clearance: This role requires eligibility for UK Security Clearance. Successful candidates must provide proof of identity, employment history, right to work in the UK, and typically demonstrate a minimum of five years’ UK residency