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Great ideas come from different minds. That’s why we bring together engineers, scientists, analysts, and creatives from every background — and give them the trust, tools, and freedom to make a difference. What connects us is the mission: solving meaningful problems and building capability that protects what matters most.
And as the challenges evolve, so do we — working on the technologies that will shape tomorrow, not just today.
DevOps / SRE Engineer – National Security Business Unit
Join our growing team and help strengthen the UK’s safety and resilience.
We’re a leading technology and engineering company supporting customers across National Security, Defence and Intelligence, delivering systems that operate in the most demanding and sensitive environments.
As a DevOps / SRE Engineer you’ll build and operate highly available, secure and scalable services that support critical operations and sensitive data. This role combines operational excellence, automation-first delivery and strong security discipline across classified and unclassified environments.
What you’ll be doing
- Design, deploy and support resilient web services across test, staging and production environments
- Improve reliability, reduce technical debt and lead incident response, RCA and no-blame postmortems
- Build and maintain infrastructure as code and container platforms using tools such as Docker, Kubernetes, Helm, Ansible and Terraform
- Develop and optimise CI/CD pipelines (for example GitLab CI) to enable safe, repeatable deployments across environments
- Implement monitoring, logging, alerting and tracing to improve visibility, troubleshooting, performance and capacity planning
- Embed security into pipelines and infrastructure, including secrets, certificates, access control, compliance automation and remediation of infrastructure incident
- As a senior engineer, mentor others, influence engineering standards and contribute to platform and reliability strategy
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What you’ll bring
- Experience deploying production web services and, ideally, AI-enabled processing workflow
- Strong DevOps / SRE background with CI/CD tooling such as Jenkins or GitLab CI
- Experience with containerisation and orchestration, including Docker, Kubernetes and Helm
- Familiarity with infrastructure as code tools such as Terraform, Ansible, Helm or ArgoCD
- Experience with observability tooling such as Prometheus, Grafana, Kibana or similar
- Coding ability in Python, JavaScript or Java, with a willingness to learn new technologies
- Experience using AI-assisted development tools in day-to-day engineering work
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Nice to have
- AWS experience
- Experience with agentic workflows or AI data pipelines
Why Roke
You’ll work with smart, supportive people on projects that genuinely matter, in an environment that values technical excellence, collaboration and continuous learning. We invest in your growth, value diverse thinking and offer flexible working alongside a strong benefits package (including 30 days’ holiday plus bank holidays). Roke combines a 70+ year heritage with the agility to make a real impact.
Location & Clearance
The role is based in Gloucester with work across Roke office and customer sites. Limited hybrid working may be possible depending on business needs. Valid eDV clearance is required.
If you are eligible but don’t currently hold eDV, please explore other engineering roles via Roke’s Careers Page. Eligibility details can be found on gov.uk.
The Next Step
Click apply, submitting an up-to-date CV. We look forward to hearing from you.
Take a look around the company https://www.roke.co.uk/
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