> Markdown version of [/jobs/ext/823661-senior-network-security-specialist](https://www.wearedevelopers.com/jobs/ext/823661-senior-network-security-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Network Security Specialist - **Company:** McGregor Boyall Associates Ltd. - **Location:** London, UK - **Experience:** Expert - **Salary:** £80,000.0 - £100,000.0 - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Network Analysis, Cyber Security, Network Address Translation, Domain Name System (DNS), Monitoring of Systems, Virtual Private Networks (VPN), Information Systems Security Architecture Professional, Network Security, Networking Basics, Routing, Network Segmentation, Packet Analyzer, Open Shortest Path First (OSPF), OpenShift, Zero Trust Network Access, TCP/IP, Virtual Local Area Networks, Load Balancing, Kubernetes, Palo Alto Networks, Fortinet - **Published:** June 3, 2026 - **Apply:** https://find.jobs/jobs-near-me/senior-network-security-specialist-london/2796128007-2/ ## About the Role * Experience defining/implementing network segmentation and micro-segmentation strategies * Zero Trust networking principles and identity-aware access controls * Designing, implementing and optimising firewall and proxy security policies. * Deep hands-on experience with: * Fortinet (FortiGate, FortiManager, FortiAnalyzer) * Zscaler (ZIA, ZPA, Zero Trust Exchange) * Palo Alto Networks (PAN-OS, Panorama, policy design) - Desirable Experience securing hybrid environments spanning on-prem, cloud, and containerised platforms. Automation and infrastructure-as-code approaches for deploying security controls. Routing, switching, load balancing and security architectures, with extensive operational and engineering experience. TCP/IP, BGP, OSPF, VLANs, VRF, VPN, VXLAN, NAT, ACLs, DNS. Packet capture and network analytics and monitoring tools. Desirable:Exposure to security controls and design for Kubernetes/OpenShift Experience within highly regulatated environments ## Description My client is seeking a Network Security Specialist to join his team in London. This is a newly created role and sits in the Network Team and will act as a conduit between the Network Team and InfoSec team. It is an ideal opportunity for someone who is looking to step up into a technical authority/delivery lead position., As a Senior Network Security Specialist, you will design, implement and govern the network security controls that protect their modern, high-performance enterprise network. You will take a hands-on lead role in shaping the network security roadmap, defining policies and standards and driving the adoption of Zero Trust and micro-segmentation across the organisation. ## Related Videos - [WeAreDevelopers LIVE - Back to CODE100](https://www.wearedevelopers.com/videos/1909-wearedevelopers-live-back-to-code100) - [Creating a routing app with Google Maps API from scratch](https://www.wearedevelopers.com/videos/831-creating-a-routing-app-with-google-maps-api-from-scratch) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [Small, Secure, Interconnected: The next Internet Protocol](https://www.wearedevelopers.com/videos/100062-small-secure-interconnected-the-next-internet-protocol) - [A Technical Introduction to Bitcoin's 2nd Layer- The Lightning Network](https://www.wearedevelopers.com/videos/15-a-technical-introduction-to-bitcoin-s-2nd-layer-the-lightning-network) - [You can’t hack what you can’t see](https://www.wearedevelopers.com/videos/41-you-can-t-hack-what-you-can-t-see) ## Related Articles - [Events like RSAC Get You CISOs. Developers Decide What Actually Gets Deployed.](https://www.wearedevelopers.com/magazine/693-events-like-rsac-get-you-cisos-developers-decide-what-actually-gets-deployed) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Everything a Developer Needs to Know About MCP with Neo4j](https://www.wearedevelopers.com/magazine/604-everything-a-developer-needs-to-know-about-mcp-with-neo4j) - [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023) - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Understanding and Mitigating Common Web Vulnerabilities](https://www.wearedevelopers.com/magazine/565-understanding-and-mitigating-common-web-vulnerabilities)