> Markdown version of [/jobs/ext/4699694-network-engineer-selby-jennings](https://www.wearedevelopers.com/jobs/ext/4699694-network-engineer-selby-jennings). 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 - Selby Jennings - **Company:** Yesterday By Efinancialcareers - **Location:** London, United Kingdom - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Border Gateway Protocol, Cloud Computing, Computer Networks, Internet Group Management Protocols, Jinja (Template Engine), Python (Programming Language), Netconf, Open Shortest Path First (OSPF), Ansible, Prometheus, Simple Network Management Protocols, Zabbix, Computer Network Operations, Computer Network Technologies, Grafana, Git, Data Analytics, Terraform, Cisco - **Published:** November 13, 2026 - **Apply:** https://www.reed.co.uk/jobs/network-engineer-selby-jennings/57564155 ## About the Role * Strong background in network engineering with significant experience in automation and observability. * Hands-on expertise with technologies such as Prometheus, Grafana, Telegraf, Cisco Telemetry, gNMI, and YANG. * Experience with traditional monitoring and visibility platforms including Zabbix, LibreNMS, and SNMP. * Proven automation experience using Python, Ansible, NetBox, Jinja, Git, Terraform, NETCONF, RESTCONF, and related tooling. * Deep understanding of networking technologies and protocols including BGP, OSPF, PIM, and IGMP. * Experience supporting large-scale, highly available enterprise or trading networks. * Strong AWS networking and cloud infrastructure experience. * Ability to diagnose and resolve complex issues across multiple technologies and environments. * Excellent communication skills with the ability to engage technical and non-technical stakeholders. * A proactive, ownership-driven mindset with a passion for continuous improvement and engineering excellence. * Experience operating successfully within fast-paced, high-performance environments. * Strong problem-solving skills and the ability to think independently when tackling complex technical challenges. ## Description * Drive the firm's observability strategy through advanced telemetry, monitoring, alerting, and analytics capabilities. * Design, build, and enhance a highly available global multi-vendor network supporting critical trading infrastructure. * Develop automation frameworks and self-service tooling that improve scalability, reliability, and operational efficiency. * Partner directly with technology and investment teams to deliver innovative networking solutions aligned with business goals. * Lead initiatives that modernise network operations through automation and engineering best practices. * Act as a senior escalation point for complex performance, reliability, and infrastructure issues. * Define standards and architectural best practices across the network environment. * Troubleshoot intricate cross-domain issues spanning networking, cloud infrastructure, automation, and observability platforms. * Identify opportunities to improve resilience, performance, and operational excellence across the global network estate. * Participate in a highly collaborative engineering culture that values innovation, learning, and technical excellence.