Site Reliability Engineer

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

Job summary

A leading recruitment firm seeks a Site Reliability Engineer in London for a 12-month contract. The ideal candidate must hold live DV clearance and will work on minimizing manual effort, driving automation, and ensuring system performance and availability. This role allows for proactive engagement with development teams and focuses on enhancing critical application services. If you're passionate about reliability and automation in a national security context, apply now!

Benefits

Ongoing training and professional development

Work on impactful projects

Qualifications

• Must hold live and transferrable DV Clearance.
• Experience in automation and reliability engineering.
• Ability to work in a collaborative environment.

Responsibilities

• Support and maintain essential services behind critical applications.
• Participate in a 24/7 on‑call rota (1 week in 5).
• Proactively enhance system availability, performance, and resilience.
• Develop tools to automate repetitive tasks.
• Collaborate with development teams on best practices.
• Deploy and manage monitoring systems.

Skills

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

Job description

DV Cleared Site Reliability Engineer

London - 5 Days Onsite

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

12-Month Contract

Must hold live and transferrable 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

• 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

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.