Senior DevOps

. Senior DevOps Engineer Salary: £85,000-£110,000 Location: Oxfordshire - Hybrid Clearance: Active SC Clearance Required We're looking for a Senior DevOps Engineer to join a growing technology company delivering advanced solutions across Defence, National Security and other highly regulated sectors. This is a hands-on role focused on AWS, Kubernetes and DevSecOps, where you'll help build secure, scalable platforms and drive automation across the engineering function. What You'll Be Doing - Designing and managing AWS infrastructure using Terraform and Infrastructure as Code. - Administering Kubernetes environments (EKS/OpenShift). - Building and improving CI/CD pipelines with GitHub Actions and Argo CD. - Driving cloud security, monitoring and platform reliability. - Supporting disaster recovery, backup and compliance activities. - Optimising cloud performance, availability and costs. - Leading incident response and troubleshooting activities. - Working closely with developers to embed DevSecOps best practice. What We're Looking For - Active SC Clearance. - Strong experience in DevOps, Platform Engineering or SRE roles. - Expert AWS knowledge across compute, networking, IAM and security. - Strong Kubernetes administration experience. - Experience with Terraform, Docker and Linux. - Experience with GitHub Actions and Argo CD. - Knowledge of DevSecOps, SAST and DAST practices. - Automation and scripting skills with Bash, Python or Go. - Strong communication and stakeholder management skills. Desirable - MLOps or LLMOps experience (SageMaker, Kubeflow, ZenML). - Prometheus or other observability tooling. - AWS Karpenter and Compute Optimizer experience. - Knowledge of ISO 27001, NIST or OWASP frameworks. - Experience working within Defence or other secure environments. If you're an SC-cleared DevOps Engineer looking to take ownership of cloud platforms and work on high-impact technology projects, we'd love to hear from you.