Data Modeler

Data Modelling Specialist - VOIS

Who we are

VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation.

As the largest shared services organisation in the global telco industry with 30,000 FTE, our portfolio of next-generation solutions and services are designed in partnership with customers across Vodafone Group, local markets, and partner markets to simplify and drive growth. With our strategic partner Accenture, we work alongside our Vodafone customers, other Telco and tech companies to drive transformation, meet the challenges of our industry and ensure we stay relevant and resilient. This partnership is a unique, industry-first model which brings together the best of in-house and 3rd party capability.

We work with customers across 28 countries from 10 VOIS locations: Albania, Egypt, Hungary, India, Romania, Spain, Turkey, UK, Germany, Ireland, and with a network of teams in Czech Republic, Italy, Greece, and Portugal.

#VOIS #BeUnrivalled #CreateTheFuture

About this Role

We are seeking a Data Modelling Specialist to support the delivery of enterprise data platforms by designing simple, scalable and reusable data models across Data Vault, data warehousing and analytical layers on GCP and BigQuery. This role is ideal for individuals with strong experience in data modelling, data warehousing or data architecture, combined with practical exposure to Data Vault 2.0, dimensional modelling, dbt and cloud-based data platform delivery. You will collaborate with architects, engineers, product owners and business stakeholders to develop high-quality, auditable and standards-aligned data models that enable trusted business insights.

What you will do

• Understand source systems, business requirements, metadata and data profiling outputs.
• Design and maintain Data Vault 2.0 models, including Hubs, Links, Satellites and Reference Data structures.
• Develop data warehouse and dimensional models including fact tables, dimension tables and star schemas.
• Define business keys, relationships, historisation approaches, lineage and data quality rules.
• Prepare source-to-target mappings, entity definitions and comprehensive modelling documentation.
• Collaborate with architects, engineers, product owners and source system subject matter experts to validate and deliver data models.
• Support dbt and AutomateDV implementations using metadata-driven design principles.
• Ensure data models are scalable, reusable, auditable and aligned to enterprise data modelling standards.
• Contribute to cloud-based data platform solutions delivered on GCP and BigQuery.
• Support testing, validation and quality assurance activities throughout the data lifecycle.

Who you are

• Demonstrated experience in data modelling, data warehousing and analytical data design.
• Good understanding of Data Vault 2.0 methodologies and dimensional modelling techniques.
• Strong knowledge of facts, dimensions, star schemas and enterprise data warehouse concepts.
• Hands-on SQL skills with the ability to analyse source systems, metadata and profiling results.
• Experience delivering solutions on GCP, BigQuery and modern cloud-based data platforms.
• Working knowledge of dbt, AutomateDV, YAML, data testing frameworks and version-controlled development practices.
• Ability to create logical, physical and source-to-target data models.
• Understanding of data lineage, auditability, historisation and data quality management.
• Effective communication skills with the ability to explain modelling decisions to both technical and non-technical audiences.
• Experience working with enterprise source systems such as CRM, billing, order management, customer, product, service or asset management platforms is advantageous.
• Familiarity with Agile delivery methodologies, modelling tools, metadata management, data governance, privacy and security practices.

Not a Perfect Fit

Concerned you may not meet every requirement Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.

What's in it for you

• Opportunity to contribute to enterprise-scale data platform transformation initiatives.
• Exposure to modern cloud technologies including GCP, BigQuery, dbt and AutomateDV.
• Collaborate with cross-functional teams across architecture, engineering and product domains.
• Work on scalable, reusable and business-critical data solutions that support strategic decision-making.
• Gain experience in enterprise data standards, governance and data quality practices.

What skills you will learn

• Advanced Data Vault 2.0 modelling techniques.
• Enterprise-scale data warehousing and dimensional modelling best practices.
• Metadata-driven delivery approaches using dbt and AutomateDV.
• Cloud-native data platform design on GCP and BigQuery.
• Data lineage, governance, auditability and data quality management frameworks.
• Stakeholder engagement and cross-functional collaboration in large-scale data transformation programmes.

VOIS Equal Opportunity Employer Commitment

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background.

Join Us

At Vodafone, we're working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this.

We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.

With us, you can truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.