Senior Network Engineer – Low Latency Trading

Overview

In this role you will design, build, and maintain the global, low-latency network that underpins our 24/7 trading and research platforms. You will collaborate with Systems and Trading Operations to ensure high availability and optimal performance across 25+ countries. Tackle large-scale networking challenges, from design decisions to day-to-day troubleshooting, delivering tangible impact on global operations. You’ll work on diverse projects that shape our network architecture and strategic direction.

Pay / Benefits

• discretionary performance-based bonuses
• competitive benefits package
• opportunity to work on a global, cutting-edge network
• collaborative culture
• equal opportunity employer

Responsibilities

• Design and manage large-scale trading network environments
• Lead product selection and network design for performance and reliability
• Configure routing and troubleshoot complex network issues
• Collaborate with Systems and Trading Operations to monitor and maintain networks
• Contribute to high-level strategy and the technical nitty-gritty of global architecture
• Manage lifecycle projects and capacity planning across the network
• Provide field support and practical problem solving in network environments
• Create and maintain technical documentation and clear communications

Key requirements

• 5-10 years of relevant experience in low-latency and high-frequency trading environments
• Strong understanding of layer 2/3 protocols with knowledge of OSPF, BGP, PIM, IGMP
• Experience with Arista, Cisco, and other networking devices
• Familiarity with low-latency microwave networks and optical systems (desirable)
• Experience in designing enterprise networks, capacity planning, and lifecycle project management
• Packet decoding/analysis using tcpdump and Wireshark
• Proficiency with Unix/Linux CLI and networking stack
• Excellent troubleshooting skills for Ethernet, multicast market data, and global WAN
• Understanding of data center power and cooling, fiber optics cabling standards
• Willingness to solve small field problems; strong collaboration and transparency
• Familiarity with firewalls, VPNs, NAT; configuration management tools (Ansible or Salt) desirable
• Familiarity with Python, Prometheus, Grafana, ELK, GitHub desirable
• Familiarity with public cloud networks (AWS, GCP, Azure) desirable

• Excellent communication (oral and written)
• strong collaboration and teamwork
• ability to distill complex issues into clear terms
• Layer 2/3 networking
• OSPF, BGP, PIM, IGMP
• Arista and Cisco devices

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