Ready to take the next step in your career? Join a global leader in high-frequency trading, delivering high-performance technology and infrastructure for mission-critical trading environments. The organization operates at the intersection of technology and finance, with a strong focus on ultra-low latency, resilience, and precision. This company is looking for a Senior Network Engineer to design, build, and scale high-performance network infrastructure across large-scale data centre environments. The role involves solving complex networking challenges, shaping network architecture, and working alongside highly skilled engineers to deliver resilient, low-latency infrastructure. Don’t miss out on this exciting opportunity and apply today! Responsibilities: • Design, deploy, and optimize large-scale data center and HPC network environments. • Build and support high-performance, low-latency infrastructure across global locations. • Drive improvements around network scalability, performance, reliability, and capacity planning. • Automate network operations through scripting and tooling improvements. • Troubleshoot complex Layer 2/Layer 3 networking issues in highly distributed environments. • Develop technical documentation and contribute to engineering standards. • Mentor and support junior engineers while influencing future network strategy. Skills/Must Have: • 10+ years’ experience designing and supporting enterprise-scale or data centre networks. • Strong expertise across BGP, OSPF, VXLAN, spine-leaf architectures, and multicast. • Experience with high-performance switching platforms such as Arista, Cisco, NVIDIA/Cumulus, or SONiC. • Strong understanding of network architecture, capacity planning, and large-scale infrastructure design. • Experience using packet analysis tools such as Wireshark or tcpdump. • Exposure to network automation using Python, Ansible, or similar technologies. Benefits: • Work on some of the most advanced low-latency networking challenges in the world. • Join a highly technical engineering team at the forefront of high-frequency trading technology. • Have direct influence over architecture, automation, and next-generation infrastructure. • Build systems where every microsecond matters. Salary: • Up to $500,000