Systems Engineering and Integration Services
From requirements to reality. Calexi engineers cohesive, validated systems that deliver mission outcomes.
Speak with our systems engineering team to reduce integration risk and accelerate secure, compliant delivery.
Complex systems require clear thinking and structured execution. Calexi applies Model‑Based Systems Engineering (MBSE) principles to translate stakeholder intent into validated, high-assurance systems.
We support clients across Defence, government and critical industries by mapping operational needs to technical requirements, designing robust architectures, and developing Interface Control Documents (ICDs) that ensure seamless integration between components.
Our engineering teams coordinate multi-vendor environments, automate delivery through CI/CD pipelines, and validate integration in structured test labs before go-live. We bring rigour to every step of the lifecycle — reducing rework, improving interoperability, and ensuring systems perform under pressure.
From concept through to deployment and acceptance, Calexi delivers engineered solutions that work the first time.
Key Service Features
- Model-Based Systems Engineering (MBSE)
- Requirements elicitation and traceability
- Interface Control Document (ICD) development
- Architecture and integration planning
- Multi-vendor orchestration and coordination
- CI/CD pipeline automation for system builds
- Structured test lab environments
- Interoperability and integration validation
- Cross-domain and mission system support
- End-to-end system delivery and acceptance
Why Calexi
Calexi is a trusted engineering partner to Defence, national security, and critical infrastructure clients. We specialise in systems integration where precision, compliance, and delivery discipline matter most.
Our consultants apply MBSE and structured systems thinking to deliver outcomes aligned with both mission and business needs. From initial requirements to validated go-live, we ensure your system components come together seamlessly, securely, and on schedule.