Technical direction at the centre
Evans’s experience spans infrastructure, security, software, product systems and technical operations. VNSIS brings those disciplines into one engineering practice.
We architect, build, secure and improve the systems organisations depend on. Technical leadership connects our work—from the first decision to day-to-day operation.
Good engineering considers the whole: what people need, how the parts connect, and who will keep the result working.

Open a principle to see how it shapes the work.
Software, infrastructure and security are considered together. Their boundaries deserve as much attention as their individual features.
Map the handoffs, data paths and access boundaries that make the parts work as one system.
Architecture should belong to the organisation. We document the decisions, assumptions and trade-offs that shape the system.
Leave a decision record the client team can understand, challenge and maintain.
The people running the system need clear ownership, useful signals and a reliable way to make changes.
Consider day-to-day ownership and operational visibility while the system is being designed.
Data, identity and deployment deserve disciplined engineering. We choose technologies for the problem and the team that will maintain them.
Make foundational choices against real constraints, not technology fashion.
Founder & CTO · Technical Architect
Evans’s experience spans infrastructure, security, software, product systems and technical operations. VNSIS brings those disciplines into one engineering practice.
VNSIS assembles the engineering and specialist capability each engagement requires, while technical direction and architectural accountability remain centralised. Evans’s leadership experience at Dustid is separate from VNSIS client delivery.
Senior technical ownership, clear scope, documented decisions and accountable delivery. We start with context and leave your team with a practical handover.
Select a stage to see what receives attention.
The business first, then the technology.
Business context, people and the existing system
Start with a Technical Diagnostic. Tell us about your business and technology; we’ll review the context and prepare a written assessment.