Job Vacancy DevOps Engineer (Security Clearance)

In this role, you will optimise Azure AKS and AWS EKS Kubernetes clusters, ensuring uptime, security, scalability and performance across secure cloud environments. You will take ownership of infrastructure defined in Terraform, using GitLab CI/CD pipelines to automate deployments and maintain consistency across environments. Working closely with stakeholders, you will proactively identify improvements, troubleshoot complex issues, and contribute to the continuous hardening and resilience of cloud-based systems.



You will also participate in an on-call rota, supporting critical systems and ensuring issues are resolved efficiently and effectively. With the backing of experienced colleagues, you will help evolve our protective monitoring capability while maintaining the highest operational standards.



Key responsibilities:



• Administer & Optimise Azure AKS and AWS EKS Kubernetes clusters



• Develop & Maintain Infrastructure-as-Code using Terraform



• Automate & Streamline deployments through GitLab CI/CD pipelines



• Monitor & Enhance system performance, scalability and security



• Troubleshoot & resolve complex platform and infrastructure issues



• Support & maintain operational stability through on-call participation

Required qualifications to be successful in this role

You will bring hands-on experience in Linux-based operational environments and practical expertise managing Kubernetes clusters and infrastructure with Terraform. You should be comfortable working with CI/CD pipelines, supporting cloud-based systems in Azure and AWS, and troubleshooting complex technical issues in secure environments.



Essential qualifications and experience:



• Experience working with Linux in an operational environment



• Year of hands-on experience using Terraform for infrastructure automation



• Experience administering Kubernetes (AKS and/or EKS)



• Experience working with CI/CD pipelines (e.g. GitLab)



• Working knowledge of Azure and AWS cloud platforms



• Experience with SIEM or large-scale data platforms



• Strong problem-solving and incident triage skills



Desirable:



• Exposure to the Elastic stack



• Scripting experience in Python



• Experience supporting applications and end users



• Ability to produce clear technical documentation



• Relevant certifications (e.g. CKA, RHCSA, Elastic Certified Engineer)



• A proactive approach and willingness to learn



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