Senior Network Security EngineerCentral Bristol (various hybrid working arrangements available depending on location).£65,000 to £75,000 + bonus, 25 days holiday, good contributory pensionAre you a Network Security Engineer ready to step into a role where your expertise shapes the security of a modern, hybrid tech environment? This is your chance to own security tooling, influence design decisions, and help strengthen a growing cyber function.What You''ll Be DoingYou''ll take the lead on securing complex enterprise networks across cloud and on-prem environments, including:Configuring and optimising security tooling such as segmentation platforms, Sophos, Mimecast, XDR solutions, vulnerability scanners and hardening baselines.Managing Firewalls, VPNs, secure remote access and segmentation controls.Improving detection and response by working closely with SIEM/SOC teams.Ensuring critical logging, monitoring and compliance standards are always met.Automating deployments and controls using PowerShell, Python, Terraform or similar tools.Supporting vulnerability assessments and driving remediation across the estate.Contributing to secure design reviews across applications, infrastructure, and cloud services.Incident response experience is desirable but not essential.We''re looking for someone with:Strong hands-on experience with network infrastructure and security, segmentation, Firewalls, endpoint security, XDR and access control.Experience securing Cloud (Azure and/or AWS) and on-