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# Data Architect

- **Company:** Montash Limited
- **Location:** United Kingdom (Remote available)
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Big Data, Data Architecture, Data Governance, Extract Transform Load (ETL), Data Sharing, Data Warehousing, Power BI, Migration Manager, Enterprise Data Management, Data Strategy, SC Clearance
- **Published:** November 12, 2026
- **Apply:** https://www.careerboard.com/gb/en/find-jobs-in-United-Kingdom/-2921550D4AF1A3E82B/

## About the Role

* Proven experience as a Data Solution Architect, Enterprise Data Architect or similar
 * Active SC clearance
 * Experience designing and assuring complex enterprise data architectures, ideally in government or secure environments
 * Delivery and assurance of large-scale data migration programmes (one-off and delta)
 * Strong knowledge of ETL, cleansing, transformation and migration testing
 * Understanding of data governance, retention and disposal
 * Experience working with multiple suppliers on end-to-end technical solutions
 * Strong stakeholder engagement across business and technical audiences
 * Experience producing and reviewing HLDs and technical design documentation

Desirable

 * Power BI and data warehousing techniques
 * Enterprise data platforms, particularly medallion architecture
 * Common Data Warehouse (CDW), POLE stores and enterprise data archives
 * Search/analytics integration
 * Integration with professional standards and internal investigation systems
 * Preserving the evidential integrity of archived data

## Description

We're looking for a senior Data Solution Architect to support a major public sector programme, owning end-to-end data architecture assurance, migration strategy and technical governance. The role is approximately 70% assurance and 30% design, reviewing and challenging supplier-led designs to ensure a cohesive end-to-end solution., * Own and govern end-to-end data architecture in line with enterprise principles, business requirements and security standards

 * Provide architectural assurance of third-party supplier designs, ensuring effective integration
 * Lead and assure complex data migrations across Legacy, cloud and hybrid environments (one-off and delta), including ETL, address cleansing and transformation
 * Assess migration testing strategies (dip sampling, aggregated result comparisons, accuracy validation)
 * Produce and review HLDs, data strategies, architecture decisions and roadmaps
 * Provide technical input into DPIAs, data sharing agreements and information governance
 * Ensure MoPI/PIRM retention and disposal requirements and evidential data preservation are met
 * Coordinate suppliers, security, infrastructure and business stakeholders to manage dependencies and risks