Network Engineer – Ultra-Low Latency Systems
OverviewWe’re looking for a Network Infrastructure Engineer to join a world-class engineering environment responsible for building and operating ultra-low latency global infrastructure powering real-time trading and research systems.This is a highly technical, engineering-led role focused on performance, automation, and large-scale infrastructure ownership. You’ll work within a collaborative team of elite engineers supporting mission-critical environments where reliability, precision, and microseconds matter.The role offers the opportunity to work across high-performance data centre and WAN infrastructure, combining deep networking expertise with automation, observability, and low-latency optimisation.What You’ll Be Doing• Design, implement, and support ultra-low latency network infrastructure across global environments• Support and optimise high-performance wired and wireless networking platforms• Take end-to-end ownership of infrastructure projects from design through to deployment and documentation• Troubleshoot complex network performance issues including jitter, microbursts, latency, and queuing• Develop automation and operational tooling using Python, Git, REST APIs, and Ansible• Enhance infrastructure visibility and monitoring using tools such as Splunk, Grafana, InfluxDB, Kapacitor, and Icinga• Contribute to network architecture initiatives supporting large-scale global connectivity• Collaborate closely with engineering and infrastructure teams across a fast-paced technical environment• Support critical infrastructure within a high-availability, zero-downtime environmentWhat We’re Looking For• 5+ years’ experience within complex network engineering environments• Strong understanding of Layer 2–Layer 3 networking principles• Strong knowledge of:• TCP/IP, BGP, OSPF, and Multicast technologies (PIM / IGMP)• Low-latency networking and network performance optimisation• High-availability enterprise and data centre networking environments• Hands-on experience with:• Arista, Cisco, and/or Mellanox networking technologies• Python scripting and network automation• Ansible, Git, REST APIs, and infrastructure automation tooling• Linux networking and command-line environments• Monitoring and telemetry platforms such as Splunk, Grafana, Kapacitor, and Icinga• Experience supporting low-latency or highly available infrastructure environments within finance, trading, HPC, or similar sectors preferred• Strong troubleshooting and analytical problem-solving skills• Excellent communication skills with the ability to work across technical and business teams• CCIE certification or equivalent hands-on expertise beneficialWhy Join?• Join a globally recognised technology-driven trading environment• Work on some of the fastest and most sophisticated network platforms in the industry• Highly technical, automation-focused engineering culture• Strong ownership and exposure to cutting-edge infrastructure projects• Collaborate with elite engineers within a high-performance environment• Competitive compensation package with significant bonus potential and comprehensive benefits