Data Engineer & Analyst (nexfibre)

nexfibre is a £4.5 billion joint venture between Infravia Capital Partners, Liberty Global and Telefónica. It has been formed to deliver ultra-fast full fibre broadband to up to 7 million homes across the UK. Together with our strategic partner Virgin Media O2, we will create the first national scale competitor to BT Openreach and will provide consumers and businesses across the UK with better innovation and choice. We operate a wholesale business model; our customers are broadband ISPs and B2B resellers and customers. We do not operate a retail broadband business.

Job Purpose

The Data Engineer & Analyst is responsible for developing, maintaining and optimising nexfibre’s data platforms and data engineering capability to support analytics, reporting and operational decision-making. The role ensures that data is ingested, transformed and managed to a high standard, delivering clean, reliable and well-structured datasets for use across the business. Working closely with the BI Manager and the Asset and Network Data Senior Manager, the postholder ensures strong alignment between data engineering outputs and business intelligence requirements.

Key Accountabilities

• Data Engineering
  • Develop and maintain end to end data pipelines using Microsoft Fabric (Data Factory, Dataflows, Lakehouse, Warehouse and Pipelines).
  • Implement data storage, modelling and processing aligned to defined architecture principles.
  • Manage data within OneLake, Delta Lake and Azure storage services.
  • Ensure appropriate pipeline monitoring, scheduling and documentation in collaboration with the BI Manager and Asset and Network Data Manager where downstream reporting impacts are identified.
• Data Ingestion and Integration
  • Design and implement ingestion processes for internal systems, APIs, external partners and third party data providers.
  • Integrate structured and semi-structured data using Azure Functions, Logic Apps and Fabric Data Factory.
  • Work with the BI Manager to ensure ingestion patterns support the organisation’s reporting and analytics strategy.
  • Apply robust patterns for incremental ingestion, schema management and change data capture processes.
• Data Quality and Governance
  • Apply data validation, cleansing, standardisation and deduplication routines.
  • Implement automated data quality checks and profiling activities.
  • Liaise with the BI Manager, Asset and Network Data Manager and data owners to resolve data quality issues impacting dashboards, reporting or analytics outputs.
  • Ensure all data solutions comply with governance and UK data protection requirements.
• Data Modelling and Analytics Support
  • Provide structured datasets to support business reporting in partnership with the BI Manager and Asset and Network Data Manager.
  • Ensure consistent definitions, measures and modelling standards across reporting tools.
  • Support in troubleshooting data model performance issues where required.
• Cross-Functional Collaboration
  • Work closely with the data team and wider business teams to understand reporting and analytics requirements.
  • Build strong relationships with Finance, Operations, Network and other business functions.
  • Provide clear analysis and insights to support operational and strategic decision making.
• Continuous Improvement
  • Lead AI initiatives within the nexfibre infrastructure, working alongside the Technical Lead to implement initiatives that will enhance organisational efficiency.
  • Identify and recommend improvements to data architecture, automation, governance and cost management.
  • Collaborate with the BI Manager to improve reporting processes, BI tooling usage and data accessibility.
  • Monitor developments in data technologies and assess their applicability to the organisation.

About You

At nexfibre, we’re building a culture that attracts, develops, and retains top talent. Our values are Open, Fast, Simple. Our team is driven, high-performing, and thrives in a fast-paced, ever-evolving digital infrastructure industry. We’re looking for people who share our passion for connecting communities, driving innovation, and delivering the next generation of full-fibre networks across the UK.

The successful candidate will bring the following attributes and skills:

Skills & Experience

• Strong SQL skills, including optimisation and complex query development.
• Experience in data ingestion, transformation and cleansing.
• Experience supporting BI solutions.
• Understanding of data governance, protection and data quality methodologies.
• Familiarity with scripting languages such as Python.
• Familiarity with GIS data.
• Experience using CI/CD tooling (Azure DevOps or GitHub).
• Experience developing pipelines using Microsoft Fabric (Data Factory, Dataflows, Lakehouse, Warehouse) or similar technologies.
• Working knowledge of medallion architecture and Delta lakehouse patterns.
• Experience with Azure data services (Azure Storage, Data Factory, Logic Apps, Azure Functions).

Benefits

• Competitive salary and bonus scheme.
• 25 days’ annual leave, plus the usual 8 UK Bank Holidays.
• Bupa private healthcare coverage.
• Access to wellbeing and mental health benefits such as the WeCare app, critical illness cover, dental & optical insurance.
• Pension contribution matched up to 10%.
• Access to our car benefit scheme via Tusker and our Cycle to Work scheme.
• Virgin Media / O2 discounts and offers.

Location

We are based in Paddington. The position is full time, hybrid with a minimum 3 days based in the office. Nexfibre is an equal opportunity employer. We embrace diversity and are committed to creating an inclusive environment for our people. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Our Story

We’re building Tomorrow’s Connections Today. Liberty Global is a leading international converged connectivity and investment company focused on creating sustainable, long-term value for customers, employees and shareholders through the strategic management of three platforms — Liberty Telecom, Liberty Growth and Liberty Services. Liberty Telecom is a world leader in converged broadband, video and mobile communications services, delivering next-generation products through advanced fibre and 5G networks. It currently provides approximately 80 million connections through some of Europe’s best-known consumer brands, including Virgin Media-O2 in the UK, VodafoneZiggo in The Netherlands, Telenet in Belgium, and Virgin Media in Ireland. With our substantial scale and commitment to innovation, we are building Tomorrow’s Connections Today, investing in the infrastructure and platforms that empower our customers to make the most of the digital revolution, while deploying the advanced technologies that nations and economies need to thrive. Liberty Growth invests, grows and rotates capital into scalable businesses across the technology, media/content, sports and infrastructure industries with a portfolio of approximately 70 companies and various funds, including stakes in companies like ITV, Televisa Univision, Plume, EdgeConneX and AtlasEdge, as well as our controlling interest in the Formula E racing series. Liberty Services delivers innovative technology and finance services, generating approximately $600 million in revenue. Our scale enables us to transfer knowledge and expertise across our operations and investments, creating a dynamic family of brands united in the pursuit of innovation and excellence.