wehrtyou · New York, NY, United States
Skills: Python, SQL, Docker
Hudson River Trading (HRT) is seeking an Ultra-Low Latency Network Architect to build, test, and optimize our global high-frequency trading infrastructure. In this role, you will lead hardware evaluation and lab benchmarking while leveraging Python and data analysis techniques to analyze high-volume PCAP captures, telemetry streams, and tick-to-trade latency distributions. You will bridge low-level network engineering with performance engineering teams to reduce jitter and push network performance into the single nanosecond domain. Responsibilities Hardware Evaluation & Lab Testing: Establish and run a dedicated network testing lab. Design automated benchmark frameworks using traffic generators (Spirent/Ixia) to simulate, measure and validate various protocols at a network level and to stress-test SmartNICs, switches, FPGAs, and transceivers Network Data Analysis & Telemetry Pipeline: Build custom Python pipelines to process, analyze, and visualize high-volume packet captures (PCAPs), queue depth metrics, and telemetry data from FPGA/Corvil appliances to pinpoint anomalies. Write tools to automate lab testing procedures, parse binary network logs, and generate latency-distribution reports (e.g., 99.99th percentile jitter analysis) HFT Architecture & Co-location: Architect and maintain low latency trading networks across global exchange colocation sites. Optimize trading network signals over wireless low-latency backhaul networks Kernel Bypass & Acceleration: Familiarity with kernel-bypass stacks (AMD/Solarflare Onload/DPDK), hardware accelerator cards and layer-1/2 FPGA switches to minimize execution overhead. Collaborate with hardware engineering teams to benchmark performance for embedded network components such as network adapters and/or network co-processors Time Synchronization: Oversee PTP (IEEE 1588v2) and White Rabbit time synchronisation systems Routing and Switching: Design and maintain large-scale L2/L3 architectures specifically fine-tuning BGP, OSPF and…
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