Lead / support the integration of complex systems, ensuring interoperability across hardware, software, networks, and data layers
Identify, analyse, and resolve integration issues across system boundaries, including APIs, data flows, and network interfaces
Develop and manage integration and test artefacts (plans, cases, scripts, reports), ensuring traceability to requirements and architecture
Collaborate with systems engineers, architects, developers, and security teams to ensure coherent end-to-end solutions
Support verification and validation activities, ensuring that integrated systems meet functional, performance, and security requirements
Contribute to integration risk management, defect resolution, and continuous improvement of integration and test approaches

Degree qualified in Engineering, Computer Science, Systems Engineering, or related discipline (or equivalent experience)
Excellent analytical and problem-solving skills
Strong communication skills, able to engage with both technical and non-technical stakeholders
Ability to work collaboratively within multi-disciplinary teams
3-5 years proven experience in Systems Integration and Test within UK Defence or similar high-assurance environments
Strong experience integrating complex, multi-system solutions (system-of-systems)
Experience of test planning, management, execution, and reporting
Experience working across system lifecycles (e.g. CADMID), including integration, verification, and validation phases
Experience working with multiple stakeholders, including suppliers and partner organisations
Experience with networked systems and integration across distributed environments
Knowledge of test and integration methodologies (e.g. V-model, Agile, DevSecOps)
Experience with integration and test tooling (e.g. test management tools, automation frameworks, CI/CD pipelines)
Ability to analyse system behaviour, troubleshoot issues, and identify root causes across complex architectures
Understanding of systems engineering and integration standards (e.g. ISO/IEC/IEEE 15288)
Awareness of security and interoperability considerations within Defence systems

Systems Integration and Test Engineer

Key skills