Linux Site Reliability Engineer

As a Linux Site Reliability Engineer, you will own and operate a high-availability Linux production environment for a global, business-critical trading platform. You’ll work within a follow-the-sun model, collaborating with teams across London, APAC/EMEA, and New York to maintain uptime and resilience. The role focuses on automation, patching, and reducing manual toil to improve reliability and performance. This is an engineering-intensive position that blends production support with platform improvement, not a ticket-driven role. You will help shape scalable, secure infrastructure in a fast-paced financial setting.

• Monitor, maintain and support a business-critical Linux production environment
• Proactively investigate and resolve production incidents, owning them through to resolution
• Troubleshoot Linux, infrastructure and platform-related issues
• Manage Linux patching and lifecycle activities across on-premise and cloud environments
• Develop scripts and automation to improve operational efficiency and eliminate repetitive manual processes
• Utilise monitoring and observability tools to maintain platform health and identify potential issues
• Participate in regional handovers and a global follow-the-sun support and on-call rota
• Collaborate with infrastructure and engineering teams to continually improve platform stability and resilience

• Background in Linux engineering, production support, platform engineering or SRE
• Strong hands-on Linux administration and troubleshooting skills within a production environment
• Ability to support highly available, business-critical infrastructure
• Strong scripting skills using Python and/or Bash
• Demonstrable ability to develop automation and improve operational processes
• A proactive engineering mindset, with the ability to investigate and resolve issues independently

• Proactive engineering mindset
• Independent problem-solving
• Cross-functional collaboration
• Linux administration
• Python and/or Bash scripting
• Automation development