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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Network Engineer - **Company:** N P Associates - **Location:** London, UK - **Experience:** Experienced - **Salary:** £80,000.0 - £90,000.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Border Gateway Protocol, Spanning Tree Protocols, Client Access Licensing, Cloud Engineering, System Configuration, Data Centers, Monitoring of Systems, Python (Programming Language), Network Security, Multicasting, Network Architecture, Network Diagrams, Network Monitoring, Network Service, Cisco Nexus Switches, Open Shortest Path First (OSPF), Ansible, Syslog, TCP/IP, Tcpdump, Wireshark, Scripting, SolarWinds (Software), Fortinet, Routing & Switching, Open Network Automation Platform, Cisco - **Published:** September 26, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5898675897 ## About the Role * Financial Market Experience: 4+ years of dedicated experience in a Network and Security engineering support role, ideally within a trading or financial environment. * Certification / Knowledge Base: CCNP level or equivalent deep networking experience. * Core Routing & Switching: Strong mastery of TCP/IP, Spanning Tree protocols (including RSTP configuration), OSPF, and BGP. * Security & Hardware Expertise: Hands-on experience configuring and troubleshooting firewall clusters, centralised firewall managers, and enterprise infrastructure (Cisco environment experience and Fortinet technologies are highly beneficial). * Diagnostics Toolkit: Proficient with network monitoring and analysis tools such as Wireshark, TCPdump, Syslog analysis, and SolarWinds (or equivalent). * Communication Style: Excellent collaborative skills with the ability to explain complex, technical network anomalies in a pragmatic, clear way to stakeholders. Highly Desirable Skills (Or areas you want to learn) * Exposure to high-performance switching platforms and data centre network architectures, specifically Arista EOS, Cisco Nexus, or Fortinet technologies. * Understanding of Precision Time Protocol (PTP) and its application in low-latency environments. * Knowledge and practical experience with Multicast, PIM, and Rendezvous Points (RPs). * Familiarity with cloud-native networking architectures, specifically AWS. * Basic scripting skills for network automation using Python or Ansible. ## Description We are seeking a skilled and analytical Network Engineer to join our expert, tight-knit Network team. In this role, you will help support, shape, optimise, and scale a high-performance network spanning low-latency trading infrastructure, on-premises data centres, and cloud environments. This is a phenomenal opportunity for an engineer who thrives in high-stakes, fast-paced financial environments. You will balance day-to-day operational excellence and client onboarding with strategic, hands-on engineering projects aimed at continually improving our core network and security posture., * Operations & Infrastructure Monitoring: Perform daily operational checks across our core network and security infrastructure, proactively identifying and mitigating anomalies. * Troubleshooting & Analysis: Methodically diagnose network issues using logs, monitoring tools, and deep packet captures to isolate root causes. * Client Onboarding: Manage the technical lifecycle of client access requests, connectivity onboarding, and decommissioning. * Provider Liaising: Coordinate with telecommunications and network service providers to provision and troubleshoot leased lines, circuits, and external connectivity. * Change Management: Support and execute planned network changes, conducting rigorous validation and post-change functionality checks. * Data Centre & Live Platform Support: Monitor live financial platforms during trading hours, which includes occasional hands-on visits to our East and West London data centres. * Documentation & Continuous Improvement: Create and maintain pristine network diagrams, capacity plans, and operational procedures. ## 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) - [Better Together: Leveraging Your Observability Tools as a SIEM](https://www.wearedevelopers.com/videos/2118-better-together-leveraging-your-observability-tools-as-a-siem) - [An Applied Introduction to eBPF with Go](https://www.wearedevelopers.com/videos/1075-an-applied-introduction-to-ebpf-with-go) - [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) - [Demystifying application networking in the cloud](https://www.wearedevelopers.com/videos/675-demystifying-application-networking-in-the-cloud) - [Turning Container security up to 11 with Capabilities](https://www.wearedevelopers.com/videos/718-turning-container-security-up-to-11-with-capabilities) ## Related Articles - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [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) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [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) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)