The OT Functional Architect operates at enterprise and practice level to translate operational reality within water and utilities environments into robust functional and non‑functional requirements for enterprise SCADA and IT/OT convergence solutions. The role ensures that proposed architectures are safe, operable, maintainable, and resilient, while enabling scalable transformation across multi‑site estates with minimal operational disruption.

Key responsibilities

• Lead enterprise and site-level discovery of OT capabilities, including PLC, SCADA, HMI, control strategies, alarm philosophies, interlocks, and safety constraints.
• Capture and model operational processes across the asset lifecycle, including commissioning, maintenance, incident response, overrides, escalation, and ICC-to-site handover.
• Define functional and non-functional requirements for remote monitoring and control, including authorisation models, auditability, fallback mod...