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.

We are looking for someone with skills and experience in:

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.

This is an outside IR35 which will require you to be onsite 5 days a week.