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# Junior Trade Systems Engineer

- **Company:** Selby Jennings
- **Location:** London, UK
- **Experience:** Starter
- **Salary:** £55,120.0
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, Amazon Web Services, Systems Engineering, Bash Shell, C++ (Programming Language), Ubuntu (Operating System), Computer Programming, Debian Linux, Software Debugging, Linux, Python (Programming Language), Transmission Control Protocol (TCP), Scripting, Cloud Platform System, Low Latency
- **Published:** July 29, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5819149451

## About the Role

The ideal candidate for the Junior Systems engineer has a strong passion for coding and automation, is eager to learn new skills and technologies, and has the ability to handle challenging technical issues within a dynamic, fast-paced environment. The role requires at least two years of experience working with Linux systems, programming experience, proficiency in scripting and Bash, and a collaborative mindset., Strong Linux fundamentals (installing packages, managing services/users, reading logs)
Comfortable with Debian/Ubuntu
Solid understanding of TCP/IP networking and debugging connectivity issues
Bash scripting experience to automate operational tasks
Hands-on programming experience (Python, C++, or similar) with real projects to discuss
Basic experience with cloud environments (AWS or GCP is a plus)

## Description

Our Client, a leading Trading Firm, is looking for a Junior Systems Engineer to join their trading systems infrastructure team. As a Junior Systems Engineer, you will work on projects focused on their real-time, production trading environment and tackle problems that require high-throughput, ultra-low latency solutions, while developing tools that enable their trading strategies to run worldwide, 24/7., Maintains and improves Linux-based trading servers used globally
Ensures trading systems stay up, fast, and stable during live markets
Troubleshoots issues across hardware, operating systems, networking, and applications
Automates repetitive tasks to reduce manual work and errors
Helps deploy upgrades and new systems without disrupting trading
Works closely with traders, developers, and senior engineers to optimize performance


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