Network Engineer - Trading Infrastructure
Core
Managing a global, latency-critical trading network connecting trading systems to exchanges across US, Europe, and Asia over private circuits, carrier links, and cross-connects.
Role type
Senior Network Engineer (Trading Infrastructure)
Builds
Low-latency trading infrastructure including connectivity, pricing, execution, monitoring, and research data pipelines.
Domain
High-Frequency Trading (HFT) / Financial Markets
Deliverable
infrastructure
Required skills
Linux internals, networking fundamentals (IP/CIDR, routing, TCP/UDP, DNS, TLS, firewalls), packet capture analysis, cloud platform usage, shell scripting, host-level Linux tuning (kernel parameters, NIC settings, IRQ affinity, CPU pinning), automation as code.
Preferred skills
Competitive programming or mathematics background, self-driven learning, home lab or personal project experience.
Technologies
Linux, private circuits, carrier links, cross-connects, cloud platforms, shell, packet capture tools.
Responsibilities
Own regions and services including firewall rules, DNS, and SSH access management; operate automation for traffic switching based on link health; perform latency and reachability checks against RTT targets; conduct packet capture for troubleshooting; tune host-level Linux parameters and improve bootstrap/monitoring scripts.
Seniority
Mid-to-Senior, hands-on IC