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. Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission. Where the role is marked as Outside IR35 in the advertisement this is subject to receipt of a final Status Determination Statement from the end Client and may be subject to change