Quality Assurance Test Engineer

Join a specialist technology organisation delivering secure, mission-critical digital solutions within highly regulated environments. This is an opportunity to play a key role in ensuring complex infrastructure and platforms are robust, secure, and ready for operational deployment.

Role Overview:

Package: Contract

Industry: Defence & National Security Technology

Clearance: Active SC Clearance

What You’ll Be Doing:

• Drive quality assurance activities as infrastructure solutions transition from proof of concept into live production environments.
• Analyse infrastructure architectures, identify test requirements, and maintain clear traceability throughout the testing lifecycle.
• Develop and implement infrastructure-focused test strategies, plans, and governance frameworks.
• Collaborate with DevSecOps and engineering teams to provision, validate, and maintain test environments.
• Verify operating systems, networking, monitoring tools, platform services, and deployment pipelines meet readiness standards.
• Design and execute a range of infrastructure tests, including integration, regression, resilience, security, and non-functional testing.
• Validate Infrastructure as Code deployments and ensure environments perform reliably under operational conditions.
• Support Secure-by-Design initiatives and contribute to security assurance, accreditation, and compliance activities.
• Identify risks, recommend improvements, and help embed quality across the delivery lifecycle.

Main Skills Needed:

• Strong networking knowledge including TCP/IP, DNS, DHCP, routing, switching, firewalls, VLANs, and network diagnostics.
• Experience working with physical infrastructure, including hardware setup, troubleshooting, and connectivity validation.
• Solid Linux/Unix administration and command-line expertise.
• Exposure to virtualisation technologies and cloud platforms such as AWS, Azure, or GCP.
• Hands‑on experience with Terraform, including module management, state handling, and infrastructure validation.
• Strong Ansible skills, including playbook creation, automation, and configuration management.
• Experience deploying and testing Kubernetes environments and containerised workloads.
• Familiarity with CI/CD tools such as Jenkins, GitLab CI, or GitHub Actions.
• Understanding of automated testing, environment orchestration, and pipeline validation practices.
• Knowledge of Secure‑by‑Design principles, IAM, system hardening, network segmentation, and observability.
• Experience operating within regulated, security‑conscious, or government‑related environments.
• Strong analytical thinking, problem‑solving ability, and a continuous improvement mindset.

What’s in It for You:

• Work on technology that supports critical national security and defence operations.
• Tackle technically challenging projects in highly secure environments.
• Collaborate with experienced engineers, architects, and delivery specialists.
• Opportunity to influence quality standards across cutting‑edge infrastructure and cloud platforms.
• Be part of a growing organisation with ambitious plans and a strong engineering culture.
• Join a team that values collaboration, innovation, agility, and technical excellence.
• Meaningful work with real‑world impact and long‑term programme visibility.

Security Requirements:

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

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

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