Job Description

Site Reliability Engineer
St James, South West London (SW1), SW1Y 5AD
Contract
£600 - £660 per day + Umbrella, inside IR35
UKIC DV Cleared Site Reliability / DevOp Engineer
London - 5 Days Onsite
12-Month Contract
PCD300011

Are you passionate about reliability, automation, and supporting mission-critical systems? Join this global defence organisation as a Site Reliability Engineer (SRE) and help shape the future of one of the UK's most vital national security platforms.
You'll be joining a growing SRE team at the heart of the customer's mission, focused on ensuring performance, availability, and scalability-while driving continuous improvement and innovation.

About the Role
As an SRE, you'll combine your operational expertise with software engineering skills to minimise manual effort and drive automation across complex systems. This role is perfect for someone who thrives on solving hard problems, automating the mundane, and building intelligent tools to enhance system reliability.

Key Responsibilities
Support and maintain essential services behind critical applications.
Participate in a 24/7 on-call rota (1 week in 5), with extra allowance and overtime.
Proactively enhance system availability, performance, and resilience.
Develop tools and solutions to automate repetitive tasks and reduce operational toil.
Collaborate with development teams to embed best practices and SRE principles.
Deploy and manage monitoring systems to provide intelligent observability.
Engage with the wider DevOps/SRE community within the organisation.
Ideal Skills & Experience
We're more interested in your curiosity, enthusiasm, and problem-solving ability than ticking every box. However, experience in any of the following areas would be advantageous:
Software development in web technologies or OOP (e.g., Python, Java, etc.)
Database tech: database platform SQL, database platform
Proficient with open-source operating system/server operating system command line (Bash, automation scripting)
Monitoring: monitoring and observability tooling
Agile working and tooling (e.g., enterprise workflow platform, enterprise workflow platform)
Diagnosing and resolving complex system issues
ITIL knowledge or exposure to IT service operations
Containerisation: containerisation tooling, container orchestration platform, container orchestration platform
Awareness of modern tech trends and tooling
UKIC DV clearance holder only

Why Apply?
Join a forward-thinking SRE team in an environment where your work directly supports UK national security.
Help shape tooling, practices, and culture from the ground up.
Work alongside brilliant minds on meaningful problems.
Receive ongoing training and professional development.