Senior Linux Infrastructure Engineer – Systems & Platform

Senior Linux Infrastructure Engineer – Systems & Platform London – Hybrid,000 total

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 data centres, 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 t you’ll do
• Design, operate and improve global Linux-based infrastructure
• Engineer secure, reliable systems across data centres, 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
• Strong Python development experience
• Deep knowledge of Linux internals and configuration management tooling
• Strong debugging skills (host-level tracing, network diagnostics, performance profiling)
• 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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