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Entry LevelFull-timeRustAgile
Salary Range
$30,281 - $40,969 /year
This salary is estimated based on similar roles. The actual salary may vary.
The Data & Analytics team is undertaking a major transformation to migrate from a fragmented legacy estate to a scalable, cloud native, Unified Data Platform.
The Data Architect plays a critical role in the Data Architecture squad, responsible for designing the conceptual and logical schemas for the "Trusted Data Layer." Working under the Lead Data Architect, this role translates business requirements into robust technical designs using Lakehouse Architecture and Data Vault 2.0 standards. The position focuses on ensuring that data ingestion, processing, and consumption are fully governed, reducing "Shadow D&A" practices and retiring legacy technical debt to create a single, audit-ready ecosystem
Key Roles & Responsibilities
• Design and maintain conceptual and logical data models for the Unified Data Platform (UDP), utilising Data Vault 2.0 methodology (Hubs, Links, Satellites) to ensure historical auditability and business alignment.
• Define architectural patterns for the Trusted Data Layer, ensuring data is curated, standardised, and ready for enterprise consumption.
• Collaborate with Data Engineers to translate architectural designs into efficient SQL transformation logic, ensuring alignment between strategy and execution.
• Map complex legacy source systems to the new Lakehouse Architecture, driving the migration strategy from fragmented platforms (e.g., Oracle, Teradata) to the Unified Data Platform Data Vault.
• Implement data governance standards, including metadata management, lineage, and data quality rules, to ensure "Gold Standard" datasets.
• Provide architectural consultancy to agile delivery squads, ensuring solutions adhere to architectural policies and practices.
• Support the creation of data products that enable self-service analytics and reduce "Shadow D&A" practices.
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About Three UK
Three UK is a leading mobile network operator based in the United Kingdom, providing telecommunications services to consumers and businesses. As part of the CK Hutchison Holdings group, the company has established itself as a major player in the UK's competitive telecoms market. Founded in 2003, Three UK was one of the first operators to introduce 4G services in the country and has since been at the forefront of mobile technology innovation. The company operates a nationwide network that focuses on delivering high-speed connectivity and innovative digital experiences to its customers. Three UK offers a comprehensive range of mobile services, including voice, data, and SMS plans, as well as mobile broadband and IoT solutions. The company is known for its "Feel at Home" roaming service, which allows customers to use their UK plans in select international destinations without additional charges. Its network infrastructure emphasizes speed and reliability, with extensive 4G coverage and ongoing 5G rollout across major cities. Three UK primarily targets tech-savvy consumers, families, and businesses seeking flexible, high-performance mobile solutions. The company also provides value-added services such as mobile gaming, streaming partnerships, and bundled home broadband options. Three UK has distinguished itself through its commitment to network innovation and customer-centric offerings. The company has been recognized for its fast 4G and 5G speeds, often ranking among the top performers in independent network tests. Its early adoption of 4G technology and continuous investment in 5G infrastructure have solidified its position as a forward-thinking operator. By combining competitive pricing with advanced connectivity features, Three UK has built a strong reputation for delivering reliable, high-quality mobile services tailored to the evolving needs of modern consumers and enterprises.
