> Markdown version of [/jobs/ext/2259437-network-engineer](https://www.wearedevelopers.com/jobs/ext/2259437-network-engineer). 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). --- # Network Engineer - **Company:** CEI - **Location:** Greater London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Border Gateway Protocol, Information Technology Consulting, High-Level Architecture, Multi-protocol Systems, JSON, Python (Programming Language), Netconf, Routing, Extensible Markup Language (XML), Data Logging, Dynamic Routing, Load Balancing, Firewalls (Computer Science), Git, Information Technology, Fortinet, Firewall Services Module, Open Network Automation Platform, Cisco - **Published:** August 26, 2026 - **Apply:** https://www.collegerecruiter.com/job/2815151927-network-engineer ## About the Role * Fortinet NSE4 certification and strong hands-on experience of FortiGate firewalls, FortiAnalyser and fortimanager * Solid grasp of firewall architecture. * Demonstrable experience in crafting and owning both High Level Design and Low Level Design documentation. * Good understanding of configuring firewall policies, address objects, NAT, Interfaces, Zones, Dynamic Routing (BGP), logging. * Good understanding of routing and switching especially of Nokia SROS devices (e.g. 7750) would be advantageous, else Cisco (CCNA/CCNP); MPLS, * Knowledge of Palo Alto firewalls, F5 LTM/GTM (or other load balancing) and Mobile 5G technologies * Ability to apply Open-config and Vendor specific NETCONF-YANG models, JSON and XML payload for network automation to configure and manage firewalls * Knowledge of Python and GIT to manage configuration templates and develop Automation solutions ## Description Hello, Duration - 12+ Months Location - 1 Brick Ln, London E1 6PU, United Kingdom (Hybrid/2 days a week) Skills * Fortinet NSE4 certification and strong hands-on experience of FortiGate firewalls, FortiAnalyser and fortimanager * Solid grasp of firewall architecture. * Demonstrable experience in crafting and owning both High Level Design and Low Level Design documentation. * Good understanding of configuring firewall policies, address objects, NAT, Interfaces, Zones, Dynamic Routing (BGP), logging. * Good understanding of routing and switching especially of Nokia SROS devices (e.g. 7750) would be advantageous, else Cisco (CCNA/CCNP); MPLS Nice to have * Knowledge of Palo Alto firewalls, F5 LTM/GTM (or other load balancing) and Mobile 5G technologies * Ability to apply Open-config and Vendor specific NETCONF-YANG models, JSON and XML payload for network automation to configure and manage firewalls * Knowledge of Python and GIT to manage configuration templates and develop Automation solutions Seniority level Mid-Senior level Employment type Contract Job function Engineering, Design, and Information Technology Industries: IT Services and IT Consulting, Technology, Information and Media, and Telecommunications Thanks Sugan ## Related Videos - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Your Infrastructure Is Not a Playground: AI Agents for Infra Done Right](https://www.wearedevelopers.com/videos/2084-your-infrastructure-is-not-a-playground-ai-agents-for-infra-done-right) - [Computer Vision from the Edge to the Cloud done easy](https://www.wearedevelopers.com/videos/263-computer-vision-from-the-edge-to-the-cloud-done-easy) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [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)