Senior Network Security Engineer – 3-Month Initial Contract (Extension likely) Location: Onsite in West Drayton/Hayes, UK (5 Days per Week) Start: ASAP IR35: Outside IR35 Security Clearance: Will be sponsored for eligible candidates We’re not looking for just another engineer - we’re after a seasoned Network Security expert who’s ready to step into a key role on a high-impact project with critical infrastructure at its core. If you thrive in a fast-moving, hands-on environment and want to work with cutting-edge tech, this contract is built for you. Senior Network Security Engineer The Tech Stack You’ll Own: Fortinet SD-WAN – Core to the network transformation Fortinet Firewalls – Design and deployment Cisco Nexus – High-performance switching environments Cisco Wi-Fi / LAN Routing & Switching – Solid fundamentals essential Firewall & Security Architecture – Design, configure, secure Configuration Mastery – You’ll write and load full network configs What Makes This Role Different? Security Clearance provided – We’ll sponsor you if eligible. Outside IR35 – Work with freedom and flexibility. Real Possibility of Extension – This is just phase one of a wider programme. Onsite, In-Person Delivery – Be at the heart of the action, not a face on a screen. High-Impact Work – You’ll help shape critical infrastructure from day one. ✅ You Should Apply If: You’re a senior-level network security engineer with a track record in hands-on delivery. You’re confident with Fortinet and Cisco environments, and can hit the ground running. You can design, build, and troubleshoot secure networks without breaking a sweat. You’re eligible for UK Security Clearance (we’ll help you get it). You want more than just another contract – you want to be part of something that grows. Interested? Send your CV to us today for an immediate call back. Interviews are taking place now, and the start date is as soon as you're ready.