Linux Engineer

This range is provided by Denu Recruit. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Senior Linux Engineer – Up to £430k Total Comp | London

• Writing and maintaining tools and infrastructure around the Linux OS
• Working closely with hardware and trading teams to fine-tune system performance
• Digging deep into memory, CPU, and I/O behavior to uncover and fix bottlenecks
• Automating the build, test, and release of custom Linux images
• Helping shape the future of Linux systems at scale in a highly technical, low-latency environment

• 5-10 years of deep Linux experience — ideally across RHEL, CentOS, or Ubuntu
• Strong coding skills in Python (bonus points for C++ or Rust)
• Experience tuning system performance (kernel parameters, memory, scheduling, etc.)
• Knowledge of infrastructure-as-code tools (e.g. Ansible, Terraform, Packer) is a plus
• Someone who’s curious, hands-on, and thrives in an engineering-driven culture

• You’ll work on genuinely challenging, interesting problems with real-world impact
• The team is highly respected — they submit the most bugs to Red Hat
• You’ll be surrounded by some of the best engineers in the industry

• Up to £430k total compensation

• Mid-Senior level

• Full-time

• Information Technology and Finance

• Financial Services and Software Development