DV Cleared QA Test Infrastructure Engineer

We are looking for a QA Test Infrastructure Engineer to work with one of our clients in the defence sector. You’ll work alongside engineers, architects, and delivery specialists to develop technology that enables faster, safer decision-making for critical operations. You work will consist of: ensuring quality of products as they move from POC to production, analysing infrastructure requirements and architectures, creating infrastructure-focussed strategies and designing and executing tests across physical infrastructure and IaC.

Infrastructure, Networking & Operating Systems

• Strong understanding of TCP/IP, DNS, DHCP, routing, switching, Firewalls, VLANs, and related network behaviours.
• Experience with physical infrastructure setup and troubleshooting (Routers, Switches, cabling).
• Proficiency with Linux/Unix command line for diagnostics, configuration, and validation.
• Experience working across virtualisation platforms (VMware, VirtualBox) and cloud environments (AWS, Azure, GCP).

Infrastructure as Code (IaC)

• Terraform: writing/validating HCL, managing state, using modules.
• Ansible: building playbooks/roles, inventories, and validating idempotency.
• Kubernetes: deploying workloads, validating manifests, managing clusters, and testing containerised applications.

CI/CD & Automation

• Familiarity with CI/CD tooling (Jenkins, GitLab CI, GitHub Actions).
• Experience integrating IaC validation and environment checks into automated pipelines.
• Understanding of pipeline gating, automated readiness checks, and environment orchestration.

Security & Compliance

• Strong grounding in Secure-by-Design principles, IAM, least privilege, OS hardening, network segmentation, and observability.
• Experience within regulated or highly governed environments (eg, MOD or similar).
• Ability to support compliance, assurance, and accreditation activity.

All candidates must be sole British nationals and hold active DV clearance.