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High-Performance Computing Specialist

2 months ago


London, Greater London, United Kingdom Alexander Ash Consulting Full time

Job Summary:

Alexander Ash Consulting is seeking a highly skilled and motivated High-Performance Computing Specialist to join our team. As a key member of our quant technology firm, you will be responsible for designing, deploying, and managing UNIX/Linux systems tailored for high-performance and high-frequency operations.

Key Responsibilities:

  • System Design and Optimization:
    • Architect and deploy UNIX/Linux systems optimized for high-performance and high-frequency operations.
    • Implement kernel-level enhancements, such as real-time or low-latency kernels, CPU pinning, and HugePages, to boost system performance.
    • Optimize system settings to reduce latency, including IRQ balancing, process affinity, and memory management.
  • GPU Performance Tuning:
    • Enhance GPU performance to accelerate quantitative models and simulations, ensuring high throughput and low latency for crucial financial computations.
    • Conduct thorough tuning of GPU resources, focusing on memory management, parallel processing, and kernel optimization to maximize efficiency in high-frequency trading and complex data analysis.
  • HPC Programming and Optimization:
    • Develop and optimize system-level code using C++ and other languages to support HPC needs.
    • Apply advanced compiler optimizations and profiling tools, such as Intel VTune and perf, to identify and resolve performance issues.
  • Networking and Infrastructure:
    • Employ high-performance, low-latency network interfaces like Solarflare or Mellanox and apply kernel bypass techniques using DPDK or PF_RING.
    • Maintain precise time synchronization using Time-Sensitive Networking (TSN) and protocols like Precision Time Protocol (PTP) and GPS-based NTP servers.
    • Utilize and manage network monitoring tools like Corvil to track and reduce latency.

Requirements:

  • Strong expertise in UNIX/Linux systems, programming (Bash, Python, C++), GPU optimization, and high-performance storage solutions.
  • Experience working in ultra-low-latency environments.

What We Offer:

  • A dynamic and challenging work environment.
  • Opportunities for professional growth and development.
  • A competitive compensation package.