About the role
You will own our build, test and release pipelines and the platforms our software runs on. You will run containers in production, automate everything, and make every release fast, repeatable and safe.
What you will do
- Build and maintain CI/CD pipelines (GitHub Actions, GitLab CI or similar)
- Run Docker and Kubernetes in production
- Automate environments with Terraform and GitOps (Argo CD or Flux)
- Manage secrets, certificates and deployment security
- Improve monitoring, logging and alerting (Prometheus, Grafana)
- Support developers and improve release speed and reliability
- Lead incident reviews and fix root causes
Minimum qualifications
- Bachelor's degree in Computer Science, Engineering or a related field, or equivalent practical experience
- 5+ years in DevOps, platform or SRE roles
- Current CKA (Certified Kubernetes Administrator)
- 3+ years running Kubernetes in production with Helm and GitOps (Argo CD or Flux)
- CI/CD pipelines you built and can show (GitHub Actions, GitLab CI or similar)
- Terraform in production
- English at CEFR C1 or above (IELTS 7.0 or equivalent)
Expert knowledge
- Kubernetes internals: scheduler, controllers, CNI networking, resource limits and pod security standards
- Release strategies with GitOps: blue-green, canary and automated rollback
- Observability: SLOs, error budgets and the RED and USE methods with Prometheus and OpenTelemetry
- Pipeline security: secrets management, least-privilege runners and signed artefacts
Preferred qualifications
- CKS (Certified Kubernetes Security Specialist)
- HashiCorp Terraform Associate
- Supply-chain security: SBOMs, image signing (Sigstore), SLSA
- On-call experience with defined SLOs
Before any offer we verify your certificates, qualifications, references and right to work in the UK. Security roles also need background screening (BPSS) and may need security clearance.
SOWTK is an equal opportunity employer. We welcome applicants of every background and do not discriminate on any characteristic protected by the Equality Act 2010.