Senior Linux Infrastructure Engineer – Systems & Platform

In this senior hands-on role, you will shape global Linux-based infrastructure for a leading quantitative trading firm. You’ll operate across datacentres, cloud, and offices, driving secure, high-availability systems at scale. You’ll partner with engineering and research to design and integrate platform capabilities, while owning lifecycle and optimization of core services.

• Design, operate and improve global Linux-based infrastructure
• Engineer secure, reliable systems across datacentres, cloud and hybrid environments
• Contribute to networking, OS, platform security and core services
• Handle configuration management, automation and CI/CD pipelines
• Collaborate with engineering and research teams on platform design and integration
• Troubleshoot complex issues using advanced diagnostic tools across host and network layers

• 10+ years in Linux systems engineering in 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
• Exposure to DNS, DHCP, Kerberos, storage, and Windows/Linux interoperability
• Strong communication skills and ability to work across global teams

• cross-functional collaboration
• strong communication
• ownership and self-drive
• Python
• Linux internals
• configuration management tooling