Network Security Engineer

Senior Network Security Engineer Up to £50,000 + Bonus | Hybrid (3 Days Office / 2 WFH) | Northampton Are you a skilled Network Security Engineer looking to take the next step in your career? Join a fast-growing Systems Integrator & Managed Service Provider that delivers cutting-edge solutions to clients across finance, public sector, legal, and nationwide retail. This is your chance to be part of a high-performing technical team where you’ll work across diverse environments, tackle complex networking challenges, and play a key role in strengthening customers’ security posture. Why You’ll Love This Role ✔ Work on 3rd-line network & security support across enterprise-scale environments ✔ Exposure to next-generation firewalling, large-scale routing/switching, cloud networking & automation ✔ Real career progression into specialist or consultancy paths ✔ Join a team experiencing significant investment and growth What You’ll Be Doing * Providing 3rd-line network & security support, acting as an escalation point for challenging issues * Delivering both BAU support and project work across customer sites and internal operations * Proactively monitoring and maintaining managed systems * Owning and resolving complex technical problems using tools such as Wireshark, NetFlow analysis, and monitoring platforms * Managing patching, feature updates, change controls, and documentation * Mentoring service desk engineers to uplift overall capability Your Network & Security Expertise We’re looking for someone with strong experience in an MSP or enterprise IT environment, with deep knowledge across: Networking * Layer 2 & 3 routing and switching * OSPF & BGP – essential * VXLAN & Cisco ACI * Dual stack IPv4/IPv6 * Wireless: Aruba, Cisco Meraki * Azure & AWS networking * VMware / Hyper-V environments Security * FortiGate firewalls with full UTM stack (Web Filtering, Application Control, IPS/IDS, SD-WAN) * FortiManager & FortiAnalyzer * SIEM technologies (Darktrace, Reveal(x)) * Infrastructure monitoring (PRTG preferred) Automation & Tooling * Python / PowerShell scripting * Terraform for automation * ITSM processes aligned to ITIL framework Certifications (Desirable but not essential) * Cisco CCNP (minimum level of knowledge expected) * Fortinet / Aruba / PRTG vendor certifications * ITIL Foundation What’s On Offer * Up to £50,000 base salary * Annual performance bonus * Hybrid working (3 days on-site, 2 days WFH) * Pension, death-in-service, onsite parking * Superb office environment with staff perks, snacks & social events Ready to Level Up Your Network Security Career? If you’re passionate about advanced networking, security technologies, and working in a fast-paced MSP environment, we want to hear from you. Apply now and join a team where your expertise truly makes an impact