Enterprise Architect; Operations Technology

About us

Every day, we deliver safe and secure energy to homes, communities, and businesses, connecting people to the energy they need for their lives. Our expertise and track record position us uniquely to shape the sustainable future of our industry as the pace of change accelerates. To succeed, we must anticipate customer needs, reduce energy delivery costs, and pioneer flexible energy systems.

This requires delivering on our promises and seeking opportunities for growth.

In IT and Digital, we collaborate closely with the diverse energy businesses within the National Grid group, revolutionizing operations through technology. Embracing modern methodologies and digital mindsets, we drive efficiency and bring new capabilities to internal and external customers as we lead the charge toward a carbon-free future.

Our work is critical, as National Grid powers millions of homes and businesses across the UK and US, and the technology we employ is vital to this task. The successful applicant for this position will play a crucial role in our mission, supported by our multicultural, customer-centric global team, with opportunities for professional development.

National Grid is hiring an Enterprise Architect(OT) position. This role operates under a hybrid working model and is based out of the Warwick, UK office. Hybrid work expectations are subject to business needs and company policy.

We are hiring an Operations Technology (OT) Enterprise Architect to define and govern end-to-end architectures that enable safe, reliable, and scalable digitalization of grid infrastructure across the UK and US. This role drives IT/OT convergence, establishes reference architectures and global blueprints, and partners with engineering, operations, product, and vendors to deliver modern control-center, substation, edge, and telecom capabilities.

• Drive the synergy between US and UK deployments of SCADA / Network Operations.
• Lead the IoT / Asset Health initiative in the UK in conjunction with US activities.
• Drive the next stage of Protection and Control product and technology.
• Participate in the architecture of software IEDs and related Dev Ops functions.

• Drive the global blueprints and designs of ISS V2.0.
• Manage communities of practice (CoPs) related to US/UK substation engineering.
• Lead architecture activities related to vendor testing and selection.
• Lead the design under the Intelligent Substation 2.0 umbrella of the red/blue framework philosophy.
• Collaborate with the US for AI deployment within OT (SubstationIQ).

• Support the product manager to deliver a roadmap of the Mini Edge.
• Define and deliver products requiring real-time development in support of IT/OT convergence.

• Lead the enterprise architecture service to integrate UK IT/OT capabilities.
• Co-deliver an IT/OT reference architecture.
• Drive UK Net Ops architecture governance to ensure a globally consolidated design of services.
• Lead Common Information Model (CIM) adoption as part of IT/OT data integration.

• Ensure consistency and support the development of a common framework for next-generation telecommunication infrastructures affecting inter- and intra-substation data exchange with grid management systems to reduce costs and improve asset integration.
• Implement Control Center AI and Grid Edge-AI reference architectures consistently across the UK and the US to accelerate deployment of next-generation applications and related automation practices.
• Serve as an OT enterprise architecture subject matter expert (SME) across initiatives.

• 10+ years of experience as an enterprise/solution architect in Operations Technology (OT) domains (e.g., utilities, grid operations, industrial control systems).
• Hands‑on knowledge of Substation Technologies and systems, SCADA and control‑center operations and/or network operations in regulated, safety‑critical environments.
• Proven ability to define reference architectures, standards, and governance processes across multiple teams and geographies.
• Experience with IT/OT convergence patterns (identity, networking, telemetry, data integration, and cybersecurity considerations).
• Strong stakeholder management skills; able to translate between engineering, operations, and product.