Linux Engineer - Banking & Finance

Hamilton Barnes Associates Limited; Greater London; On-site; GBP 127,000 - 150,000; Full time

Job summary

A global diversified trading firm is seeking a Linux Engineer to design, deploy, and maintain Linux systems for low-latency trading environments. The role emphasizes performance tuning, automation, and reliability. Responsibilities include partnering with global teams, building environments using Ansible, and troubleshooting Linux servers. Candidates should have hands-on experience with config management tools and strong scripting skills. Competitive salary up to £150,000 Total Comp.

Qualifications

• Hands-on experience with config management tools (preferably Ansible).
• Strong scripting skills in Bash, Python, or similar.
• Proven expertise in Linux support/engineering within high-availability environments.

Responsibilities

• Partner with the global Linux Engineering team on projects and changes.
• Act as the key contact between Linux Engineering and trading teams.
• Build, configure, and maintain Linux environments with Ansible.

Skills

Config management tools (Ansible, Puppet, Chef, SaltStack)

Scripting skills (Bash, Python)

Linux support/engineering

Troubleshooting skills

Performance tuning

Job description

Ready to optimise the systems that drive world-class trading performance?

Join a global diversified trading firm that combines technology, research, and risk management to compete across financial markets. The organisation is recognised for its high-performance infrastructure, innovative engineering culture, and commitment to technological excellence.

The team is hiring a Linux Engineer to design, deploy, and maintain mission-critical Linux systems supporting low-latency trading environments. The role will focus on performance tuning, automation, and reliability to ensure seamless operations across global trading platforms.

Engineer stability, speed, and precision at the heart of modern trading. Apply now!

Responsibilities

• Partner with the global Linux Engineering team on projects, changes, and on-call rotations.
• Act as the key contact between Linux Engineering and trading teams.
• Build, configure, and maintain Linux environments with Ansible in a repeatable, automated way.
• Monitor and troubleshoot Linux servers using Prometheus and command-line tools.
• Package applications, manage software repositories, and automate routine tasks.
• Research, evaluate, and recommend new hardware/software solutions.

Requirements

• Hands-on experience with config management tools (preferably Ansible; Puppet/Chef/SaltStack also relevant).
• Strong scripting skills in Bash, Python, or similar.
• Proven expertise in Linux support/engineering within high-availability environments (Red Hat, Debian, or similar).
• Skilled in troubleshooting, performance tuning, and system optimization.

Salary

• Up to £150,000 Total Comp