Site Reliability Engineer

JLA Resourcing Ltd; Greater London; Hybrid; GBP 90,000 - 105,000; Full time

Benefits offered by this job

Equity

Job summary

JLA Resourcing Ltd is recruiting an Infrastructure Engineer for a defence and government tech outfit in London. The role is hybrid with on-site attendance, offering £90,000-£105,000 plus equity for candidates with active UK SC clearance.

You will work across software and infrastructure, building scalable production environments, tooling in Kubernetes and AWS, and driving automation to reduce manual toil. The position suits engineers with software engineering foundations and a passion for robust

Qualifications

• Active UK SC clearance is a key requirement.
• 1-3+ years in SRE, infrastructure, platform or software engineering.
• Computer Science degree or equivalent technical background.
• Experience with AWS and Kubernetes in production.
• Ability to design scalable, reliable systems and contribute to architecture.
• Hybrid London-based role with on-site attendance.

Responsibilities

• Build, operate and improve large-scale, highly available production environments.
• Develop code and automation to reduce manual toil.
• Work with Kubernetes and AWS to scale systems.
• Influence infrastructure architecture and designs.
• Handle on-call rotations and incident response.
• Collaborate with software engineers and customer teams.

Skills

Kubernetes

AWS

Automation

SRE

Software engineering

Education

Computer Science degree

Tools

CI/CD

Terraform

Job description

Site Reliability / Infrastructure Engineer - Defence & Government

London | Hybrid | £90,000-£105,000 + Equity | Active SC Clearance Required

The Opportunity

We're working with a rapidly growing technology organisation delivering complex software and infrastructure solutions across UK Defence and Government.

They're expanding their London engineering team and looking for an Infrastructure Engineer with a strong software engineering foundation who enjoys building systems, solving complex production problems and improving infrastructure through code and automation. This would particularly suit someone from an SRE, Software Engineering or Infrastructure Engineering background who wants to work on technically challenging, high-impact projects.

The Role

You'll work across software and infrastructure, taking responsibility for building, operating and improving large-scale production environments.

You'll be involved in:

• Building and engineering scalable, highly available infrastructure


• Working extensively with Kubernetes and AWS


• Developing code and automation to improve infrastructure and remove manual processes


• Influencing infrastructure architecture and systems design


• Operating and improving distributed production systems


• Monitoring, alerting, configuration management and platform upgrades


• Debugging complex production issues and engineering long-term solutions


• Deploying new systems and managing infrastructure migrations


• Working alongside software engineers and forward-deployed technical teams


• Balancing project-based engineering with operational responsibility, including an on-call rotation of approximately 1 week in 5

The Person

We're particularly interested in engineers who combine software engineering skills with strong infrastructure knowledge, rather than purely operational DevOps experience.

Ideally, you'll have:

• Active UK SC clearance - this is a key requirement


• Around 1-3+ years' experience within SRE, Infrastructure, Platform or Software Engineering


• A Computer Science degree or similarly strong technical/software engineering background


• AWS/cloud infrastructure experience


• Experience building infrastructure and production systems, not simply administering them


• An understanding of distributed systems, scalability and reliability


• Experience troubleshooting and debugging complex production environments


• The confidence to contribute to architecture and challenge how systems are designed and operated

Previous experience within Defence, Defence Technology or UK Government environments is essential.

This is a fast-moving, high-autonomy engineering environment, so we're looking for people who enjoy taking ownership, learning quickly and solving difficult technical problems.

The role is hybrid but candidates need to be within practical travelling distance of London, as classified work requires onsite attendance.