QA Test Infrastructure Engineer (Contract

Position: QA Test Infrastructure Engineer (Contract)
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 Dev Sec Ops  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 Dev Sec Ops  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, Git Lab CI or Git Hub 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 environments

Alongside 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