Site Reliability Engineer

JAM Recruitment; City Of London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A national security organization seeks a Site Reliability Engineer to enhance system reliability and performance. This pivotal role includes automating tasks and maintaining vital services. Ideal candidates will hold UKIC DV clearance and possess problem-solving abilities along with experience in software development and system monitoring. This position offers the opportunity to work on critical projects with a forward-thinking team.

Benefits

Ongoing training and professional development

Flexible working arrangements

Qualifications

• Hold UKIC DV clearance.
• Experience in software development in web technologies.
• Proficient in Linux/Windows command line.

Responsibilities

• Support and maintain essential services behind critical applications.
• Ensure system availability and performance.
• Develop tools to automate repetitive tasks.

Skills

Problem-solving ability

Software development in web technologies

Proficient with Linux/Windows command line

Monitoring systems knowledge

Database tech

Tools

Docker

Kubernetes

Grafana

Prometheus

Oracle SQL

Job description

UKIC DV Cleared Site Reliability / DevOp Engineer

London - 5 Days Onsite

Up to £550 per day (Umbrella, Inside IR35)

12-Month Contract

Must hold UKIC DV Clearance

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: Oracle SQL, PostgreSQL, MongoDB
• Proficient with Linux/Windows command line (Bash, PowerShell)
• Monitoring: Grafana, Prometheus, ELK, Splunk
• Agile working and tooling (e.g., Jira, Confluence)
• Diagnosing and resolving complex system issues
• ITIL knowledge or exposure to IT service operations
• Containerisation: Docker, Kubernetes, OpenShift
• Awareness of modern tech trends and tooling

Security Requirements

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.

If you\'re excited about automation, resilient systems, and the opportunity to work on a high-impact project—this is your chance to make a difference.