Linux Infrastructure Engineer in London

Senior Linux Infrastructure EngineerLondon – Hybrid

Quant Capital is partnered with a global systematic trading firm seeking a Senior Linux Infrastructure Engineer to join a high-impact platform engineering function. The team owns core infrastructure across datacentres, cloud environments and global offices, supporting both investment activity and large-scale engineering workloads.

This role suits a deeply technical engineer who understands large distributed systems, low-level Linux internals, and the realities of running secure, high-availability infrastructure at scale.

What you\’ll do

Design, operate and improve global Linux-based infrastructure

Engineer secure, reliable systems across datacentres, cloud and hybrid environments

Contribute to networking, operating systems, platform security and core services

Work on configuration management, automation and CI/CD pipelines

Partner with engineering and research teams on platform design and integration

Troubleshoot complex issues using advanced diagnostic tools across host and network layers

What you\’ll need

10+ years in Linux systems engineering within large-scale or mission-critical environments

Deep knowledge of Linux internals and configuration management tooling

Familiarity with CI/CD and automated build/deployment systems

Experience with Rust, Go, Java, C or C# is beneficial

Exposure to DNS, DHCP, Kerberos, storage, and interop between Windows/Linux

Strong communication skills and ability to work across global teams

This is a hands‐on senior role for an engineer who wants to shape global infrastructure, work alongside exceptional technologists and operate at scale with meaningful ownership.

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