Role: Senior Cyber Security and Network Engineer Salary: £70,000Location: EpsomFlexible working: HybridWe''re partnering with a business that''s investing heavily in its cyber security and infrastructure capability and is looking for a hands-on Cyber Security and Network Engineer to play a key role in protecting and evolving its technology estate. This is an opportunity for someone who enjoys operating across both security and networking, taking ownership of critical systems, responding to threats in real time, and driving continuous improvement across a modern IT environment.Key ResponsibilitiesOwn and manage the organisation''s cyber security tooling including firewalls, SIEM, IPS, endpoint protection, vulnerability management, and threat monitoring.Support and maintain core network infrastructure across LAN/WAN, Layer 2/3 networking, Wi-Fi, remote access, and internet connectivity.Investigate security incidents, identify vulnerabilities, implement fixes, and proactively strengthen the organisation''s security posture.Contribute to infrastructure and cyber security projects, including rollout of new technologies, security controls, and business continuity initiatives.Work closely with internal teams and third-party providers to ensure operational stability, compliance, documentation, and high service standards.Experience RequiredStrong experience across cyber security operations and network infrastructure.Hands-on knowledge of firewalls, SIEM tools, endpoint security, and n