QA Test Infrastructure Engineer (Contract)

Talent Locker Ltd; Cheltenham; On-site; GBP 66,000 - 111,000; Full time

Job summary

Talent Locker Ltd in Cheltenham, UK, is seeking an experienced QA Test Infrastructure Engineer for a security-cleared contract role. You will test infrastructure and platforms across the delivery lifecycle, ensuring governance, risk management and accreditation activities are supported.

You will design test strategies, validate IaC and physical infrastructure, and work with DevSecOps to deliver production-ready environments with robust automated and manual testing processes.

Qualifications

• Experience testing infrastructure in secure or regulated environments.
• Ability to design test strategies and plans for infrastructure.
• Knowledge of IaC deployments and validation.
• Experience supporting security accreditation activities.

Responsibilities

• Create infrastructure-focused test strategies and plans.
• Design and execute functional, integration, regression, resilience and security testing.
• Validate IaC deployments and physical infrastructure.
• Provision test environments alongside DevSecOps teams.
• Identify risks, maintain traceability and support governance activities.
• Contribute to security assurance, compliance and accreditation activities.
• Ensure production readiness through automated and manual testing.

Skills

Infrastructure testing

Test strategy

Automation

Tools

Terraform

Ansible

Kubernetes

Jenkins

GitLab CI

GitHub Actions

Job description

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 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