Junior Trading Systems Engineer — Real-Time, Low-Latency Infra

Hudson River Trading

Greater London

On-site

GBP 91,000 - 121,000

Full time

14 days+

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Job summary

Hudson River Trading seeks a Junior Trading Systems Engineer to join the Trading Systems Infrastructure team. You will work on real-time production trading environments, focusing on high availability, high throughput, and ultra low-latency solutions.

A passion for coding, automation, and learning new skills is essential in a fast-paced setting. You will help manage Linux-based trading infrastructure, troubleshoot issues, plan installations, deploy applications, and contribute to documentation

Qualifications

2+ years of experience managing Linux systems and networking basics.
Experience installing/configuring Linux systems, from hardware to kernel to applications.
Familiarity with configuration management tools (SaltStack, or similar).
Proven programming experience and ability to explain design decisions.
Basic bash scripting.
Experience with JIRA and cross‑functional work.
Cloud exposure with AWS or GCP is desirable but not required.

Responsibilities

Manage worldwide Linux-based trading infrastructure and complex technical projects.
Troubleshoot hardware and software issues across the stack.
Plan and implement system installations and upgrades.
Deploy, configure, and test internal and external applications.
Improve documentation and reduce technical debt.
Benchmark trading stack performance with SMEs.
Join on-call rotation for trading hours and weekends.