Linux Site Reliability Engineer

Linux Site Reliability Engineer
6 Months
London/Hybrid
£530-£580 per day (Inside IR35)
Initially 4 days per week onsite, reducing to 2 days per week onsite over time.

My client in the financial sector are seeking 2 Linux Site Reliability Engineers to join a global engineering team supporting a sophisticated, business-critical trading platform.

The organisation operates a complex, globally distributed technology environment supporting systematic trading activity. The Linux estate is central to its operations, with a strong focus on availability, resilience, security and performance.

This is a hands‑on engineering role combining production support with continuous platform improvement. You will take ownership of the Linux environment across the APAC/EMEA operating day, working closely with colleagues in London and New York as part of a global follow‑the‑sun support model.

A key focus will be improving the environment through Linux patching, automation, scripting and reducing repetitive manual processes. This is an engineering‑focused position rather than a traditional ticket‑based support role.

Key Responsibilities

• Monitor, maintain and support a business‑critical Linux production environment.
• Proactively investigate and resolve production incidents, taking ownership 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.

Essential Skills & Experience

• 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.

Desirable Experience

• Experience working with AWS or other public cloud environments.
• Knowledge of monitoring and observability platforms.
• Experience with infrastructure automation.
• Previous experience within financial services, trading, investment banking or other low‑latency technology environments.
• Experience working within a global 24x7 support model.

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