- Irving, Texas, United States
- On-site
- Full-time · Senior
- $139K–$208K per year
- 6+ years
The Low Latency Trading Infrastructure Engineer designs, delivers, and sustains ultra-low latency infrastructure for Citi's Global Equity Markets technology organization, focusing on engineering deterministic performance at nanosecond precision.
Compensation
$138,720.00 - $208,080.00
Responsibilities
- Design low-latency compute topologies including bare-metal servers, NICs, kernel bypass technologies such as DPDK and Solarflare, and FPGA/co-location hardware
- Evaluate CPU microarchitecture, NUMA topology, cache behavior, and memory bandwidth characteristics for trading workloads
- Define hardware and firmware standards in partnership with vendors including Dell, HPE, Mellanox/NVIDIA Networking, Arista, Cisco, and Juniper
- Design and maintain custom server build patterns tailored to the low-latency trading platform
- Establish and enforce standards for low latency Linux, Windows, and Microservice infrastructure, including OS optimization, kernel bypass technologies, and CPU isolation
Requirements
- Bachelor's degree in Computer Science
- Electrical Engineering
- Information Technology
- Nice to have: Python
- Nice to have: Bash