Senior Site Reliability Engineer

Global Software Solution Provider, support the UK Government's most critical national security missions. Their UK infrastructure team is expanding and hiring engineers now

The role:

• Build, operate and maintain high-performance, scalable, reliable services across UK Government deployments
• Own production reliability: monitoring, alerting, configuration management and upgrades
• Lead automation to reduce manual operations, using modern platforms including LLM/AI tooling
• Deploy new products into production and run infrastructure migrations
• Shape systems design alongside forward deployed and product teams

What you'll need:

• UK SC clearance, or eligibility to obtain it (active SC strongly preferred; no visa sponsorship)
• 1-5 years in infrastructure engineering or SRE, building and deploying production systems - not just debugging
• Hands-on Kubernetes/Docker in production; Terraform, Ansible or CI/CD pipeline experience
• Proficiency in Java, Python, Go or JavaScript, applied to infrastructure or operations
• Distributed systems, Linux and cloud (AWS/GCP/Azure) experience
• CS or computer engineering degree
• Comfortable balancing build work with operational support - this is a build-and-run role
• Backgrounds in defence tech, tech-forward defence contractors, or security cleared cloud/infra teams

The package:

• excellent salary, bonus and share scheme
• Hybrid London working with 1-2 days from home
• Small UK team, big remit, and genuine ownership from day one