Trading Systems Engineer

Hudson River Trading
London

Hudson River Trading (HRT) is seeking a Trading Systems Engineer to join our growing Trading Systems Infrastructure team to support deployment and maintenance of our trading colocation server estate in EMEA. This team designs, builds, and maintains the infrastructure that powers our global trading, and is responsible for ensuring optimal performance and uptime of the ultra low-latency operating systems, automation software, and development tools that allow our trading strategies to run worldwide 24/7.

As a Trading Systems Engineer, you’ll work on projects focusing on our real-time production trading environment and tackle problems that require high availability, high throughput, and ultra low-latency solutions. The ideal candidate possesses a passion for delivering time critical projects in collaboration with a team of specialists in networking and datacenter engineering, along with an interest in coding and automation, is eager to learn new skills and has the ability to handle challenging technical issues within a dynamic and fast-paced environment.

Responsibilities

  • Design, manage, automate, and optimize worldwide Linux-based trading infrastructure by planning and executing complex technical projects and tasks
  • Deploy and maintain physical hardware in various remote datacenters, working with networking and datacenter engineer colleagues as well as remote hands teams.
  • Troubleshoot hardware and software issues across the stack
  • Design and implement system installations and upgrades
  • Remain unfazed by production-critical issues, resolving them quickly and efficiently
  • Support benchmarking and tuning of the trading stack
  • Hold vendors accountable on performance and reliability issues, with the ability to confidently go toe-to-toe with a vendor's Tier 2 engineering team during an escalation
  • Join an on-call rotation schedule to cover trading hours and weekend shifts, as needed

Qualifications

  • 7+ years of relevant experience supporting a live production environment (especially trading)
  • Experience of working with bare metal trading servers in remote datacenter sites including preparing work for remote hands engineers to execute
  • Expert in installing, configuring, and troubleshooting Linux systems, from hardware and networking to kernel to applications
  • Significant experience managing and debugging production trading services
  • Knowledge of Debian/Ubuntu is desirable
  • Project Management Skills
  • Proven ability to manage assigned projects efficiently, ideally using JIRA
  • Strong cross-functional communication and organization skills
  • Proficiency with configuration management tools, particularly SaltStack – strong knowledge of Puppet, Ansible, Chef, or CFEngine is also desirable
  • Programming experience focusing on automation and integration is desirable, but not required. Python is strongly preferred
  • Advanced shell (bash) scripting experience

Culture

Hudson River Trading (HRT) brings a scientific approach to trading financial products. We have built one of the world's most sophisticated computing environments for research and development. Our researchers are at the forefront of innovation in the world of algorithmic trading.

At HRT we welcome a variety of expertise: mathematics and computer science, physics and engineering, media and tech. We’re a community of self-starters who are motivated by the excitement of being at the cutting edge of automation in every part of our organization—from trading, to business operations, to recruiting and beyond. We value openness and transparency, and celebrate great ideas from HRT veterans and new hires alike. At HRT we’re friends and colleagues – whether we are sharing a meal, playing the latest board game, or writing elegant code. We embrace a culture of togetherness that extends far beyond the walls of our office.

Feel like you belong at HRT? Our goal is to find the best people and bring them together to do great work in a place where everyone is valued. HRT is proud of our diverse staff; we have offices all over the globe and benefit from our varied and unique perspectives. HRT is an equal opportunity employer; so whoever you are we’d love to get to know you.

Please be advised: Use of AI tools during interviews or assessments is strictly prohibited, unless otherwise instructed or agreed upon. We employ various methods to evaluate the authenticity of candidate responses. If we determine that AI assistance was used during any stage of the hiring process, we reserve the right to immediately disqualify your candidacy or rescind any job offers extended.

Posted 2026-09-17

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