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Principal Data Architect

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Principal Data Architect - National Grid Electricity Transmission (NGET)
About Us
At National Grid, we keep people connected and society moving. Beyond our core purpose, we supply the environment needed for transformative progress. Driving forward in the energy transition for all, we ensure no customer is left in the dark. Join us as a Principal Data Architect and uncover your potential.
Role Overview
National Grid is hiring a Principal Data Architect operating under a hybrid working model, based out of the Warwick (UK) office. Hybrid work expectations align with business needs and company policy.
About the Role
The Principal Data Architect is a senior technical leadership role, responsible for:
- Defining, governing, and evolving the end-to-end data architecture of National Grid Electricity Transmission (NGET)
- Providing the authoritative architectural vision for data structuring, storage, integration, and consumption across:
- Operations technology (OT) historians and SCADA systems
- Data Fabric, Data Marketplace, and AI workbenches
- Supporting NGET’s transition from siloed data warehouses to a Data Mesh model with a data fabric, alongside RIIO-T31 Enabling Data commitments
Core Responsibilities
Strategic Leadership & Architectural Architecture
- Act as the senior technical thought leader, mentor, and advocate for Data Architecture and practice within NGET
- Own and evolve NGET’s data architecture blueprint
- Ensure coherence across:
- Fabric
- Snowflake
- Azure
- OT/historian systems
- Integration platforms (e.g., SnapLogic/iPaaS)
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Governance & Decision-Making
- Govern data architecture decisions across federated domains for:
- Interoperability
- Reuse & alignment with Data Mesh principles
- Reduce technical debt and fragmentation via:
- Standardised reference architectures
- Data models
- Architectural patterns
Regulatory Compliance & Programme Leadership
- Support NGET’s regulatory obligations under:
- Ofgem Data Best Practice Guidance
- Ofgem Digitalisation Strategy & Action Plan
- National Energy System Operator (NESO) Data Sharing Infrastructure (DSI) readiness
- Serve as data architecture authority for major programmes:
- Digital Twins
- Enabling Data
- Construction Optimisation
- AI/ML product delivery
Requirements
Skills & Experience
- Interest in the built environment and infrastructure
- Demonstrable experience as a data architect/enterprise data architect in complex, multi-system environments
- Proven expertise in:
- Cloud-native data architecture (e.g., Azure Data Lake, Fabric, Lakehouse/mesh patterns)
- Strong understanding of Data Mesh principles:
- "Data as a product"
- Federated ownership
- Self-serve infrastructure
- Computational governance
- Familiarity with:
- TOGAF
- Zachman (or comparable frameworks)
- Information modelling, ontologies, and metadata standards (e.g., Dublin Core, FAIR data principles)
- Experience leading architectural governance in large organisations
- Exceptional stakeholder engagement skills:
- Influence technical/non-technical audiences up to Director/C-suite levels


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What You'll Get
Compensation
- Competitive salary: Circa £70,000 – £87,000 per annum, based on location, capability, and experience
Benefits & Development
- Flexible benefits:
- Cycle scheme
- Share incentive plan
- Technology schemes
- Career development:
- Support for professional memberships, courses, books, exam submissions, and study leave (where relevant)
- Health & Wellbeing:
- App access:
- Digital GP (24/7 video consultations)
- NHS repeat prescriptions
- Wellbeing app support
- App access:
- Family & Employee Support:
- Access to Work + Family Space, including paid emergency childcare and eldercare
Commitment to Diversity & Inclusion
- National Grid values diversity and fosters an inclusive workplace. Applications are assessed purely on competence and merit.
- Supports flexible working arrangements and offers reasonable adjustments during recruitment for candidates with impairments.
- Note on Immigration Policy: In most cases, National Grid cannot sponsor employment visas under the UK points-based system. Exceptions (for unfilled specialist skill needs) are made where fair recruitment efforts fail and are deemed high-impact. Successful candidates must have UK work authorization rights.
- Overall message: All suitably qualified candidates are welcomed and considered regardless of race, nationality, or ethnic origin.
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