Systems Integration & Test Engineer

Competitive package designed to attract and retain talent. UK employees receive free single medical cover, digital GP services, enhanced family‑friendly policies, employee assistance programmes, and reimbursement for professional development.

About the Opportunity

Amentum is offering an exciting opportunity for a Systems Integration & Test (SI&T) professional with strong experience in Defence environments, integrating complex systems, and ensuring end‑to‑end operability across multi‑domain architectures. This role goes beyond just test execution, requiring an understanding of how systems, interfaces, and data flows come together within a broader system‑of‑systems context.

Key Responsibilities

• Lead or 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.

Here’s What You’ll Need

• 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.

Experience

• 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.

Standards & Frameworks

• Understanding of systems engineering and integration standards (e.g. ISO/IEC/IEEE 15288).
• Awareness of security and interoperability considerations within Defence systems.

EEO Statement

EEO including Disability/Protected Veterans Labor Laws Posters

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