Senior Linux Infrastructure Engineer – Systems & PlatformLondon – Hybrid200,000-350,000 totalQuant 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. 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 layersWhat 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 teamsThis 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.
Linux Infrastructure Engineer / Linux Systems Administrator in London employer: Quant Capital
At Quant Capital, we pride ourselves on being an exceptional employer, offering a dynamic and innovative work environment that mirrors the culture of leading tech giants like Facebook and Google. Our London office fosters a collaborative atmosphere where employees are encouraged to think critically and make impactful decisions, while also providing ample opportunities for professional growth and mastery of cutting-edge technology in the trading operations space. With a focus on employee well-being and a commitment to excellence, we ensure that our team members are equipped with the tools and support they need to thrive in their roles.
