QA Test Infrastructure Engineer

QA Test Infrastructure Engineer - Cheltenham - Security Clearance Required - £600 P/Day Outside IR35

We're looking for an experienced QA Test Infrastructure Engineer to join a growing team delivering secure, high-impact technology for Defence and National Security customers. This is an opportunity to work on complex technical challenges where quality, resilience and security are critical.

Working alongside engineers, architects and DevSecOps specialists, you'll ensure infrastructure is thoroughly tested, validated and ready for deployment into highly secure production environments.

What You'll Be Doing

As a QA Test Infrastructure Engineer, you'll play a key role in assuring the quality of infrastructure and platforms throughout the delivery lifecycle. Your responsibilities will include:

Creating infrastructure-focused test strategies and plans

Designing and executing functional, integration, regression, resilience and security testing

Validating Infrastructure as Code (IaC) deployments and physical infrastructure

Provisioning and verifying test environments alongside DevSecOps teams

Identifying risks, maintaining traceability and supporting governance activities

Contributing to security assurance, compliance and accreditation activities

Ensuring solutions are production-ready through robust automated and manual testing processes.

What We're Looking For

You'll have experience across infrastructure testing within secure or highly regulated environments and bring knowledge in areas such as:

Infrastructure & Networking

TCP/IP, DNS, DHCP, routing, switching, VLANs and firewalls

Linux/Unix administration and troubleshooting

Physical infrastructure including routers, switches and cabling

Virtualisation platforms such as VMware

Cloud platforms including AWS, Azure or GCP

Infrastructure as Code

Terraform

Ansible

Kubernetes

CI/CD & Automation

Jenkins, GitLab CI or GitHub Actions

Infrastructure validation within automated pipelines

Environment orchestration and automated readiness testing

Security

Secure-by-Design principles

Identity & Access Management (IAM)

Operating system hardening

Network segmentation

Experience supporting compliance, assurance or accreditation within regulated environmentsAlongside your technical skills, you'll be someone who enjoys solving complex problems, takes ownership of your work and thrives in collaborative engineering teams.

Security Clearance

Due to the nature of the work, applicants must be eligible to obtain UK Security Clearance.

QA Test Infrastructure Engineer - Cheltenham - Security Clearance Required - £600 P/Day Outside IR35