Principal Data Consultant
Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Mar 25, 2026. Telefónica Tech scores B on the Alion truth index.
Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 exceptionally skilled employees and +60 nationalities.
We serve more than 5.5m customers every day in over 175 countries, with a global ecosystem of market-leading partners. Global strategic hubs: Spain, Brazil, the UK, Germany.
The Telefónica Tech UK&I hub has an end- to-end portfolio of market leading services and develops integrated technology solutions to accelerate digital transformation through: Cloud, Data & AI, Enterprise Applications, Workplace Services and Cyber Security & Networking.
Values: Open, Trusted and Bold
Trusted Partners:
- Microsoft: Top 3 Service Providers, Azure Expert Status, Fastrack & Inner Circle Partner
- HPE: Platinum Partner - FY23 UK&I Solution Provider of the Year
- Palo Alto & Crowdstrike: part of our NextDefense Cyber Security Portfolio
- Fortinet: Elite VIP Program - one of only 2 in the UK
- AWS: Premier Tier Services Partner
THE ROLE
The primary focus for you will be the design and delivery of enterprise-level data solutions from the earliest discovery phases of projects through prototyping, architectural design and delivery. You will be working with Azure tools such as Databricks, Data Factory as well as Hadoop to create big data environments which, in turn, will help businesses to gain greater insight into their big data repositories.
RESPONSIBILITIES
- Working on projects that utilise products within the Microsoft Azure and SQL Data analytics stack
- Satisfying the expectations and requirements of customers, both internal and external
- Supporting others in their development
- Contributing to the Telefonica Tech UK&I - Data &AI internal and external community
REQUIREMENTS
- Strategic and operational decision-making skills
- Ability to guide, direct or influence people
- Ability to identify opportunities and issues
- Willingness to learn based on feedback
- Able to help others develop
- Expertise in creating complex SQL queries
- Experience in using Microsoft BI Stack (SSRS, SSIS, or SSAS)
- Commercial experience of Power BI for data visualisation
- Involvement in architectural decisions for data solutions
- An interest in Data Science and Data Modelling
What about technical skills?
People’s skills vary and that’s great because the role varies. You should be comfortable with most of the core technologies below and have had exposure to the others from the following list. Current Microsoft certifications are useful but not mandatory - we’ll help you get those!
Core (at least two of the following)
- SQL
- Python
- Power BI / Analysis Services / DAX
- Data Modelling / Data Warehouse Theory
- Azure Fundamentals
Nice to Have
- Azure Databricks
- Azure Synapse Analytics
- Microsoft Fabric
- Azure Data Factory
- Azure Networking/Infrastructure
- Azure DevOps / CI/CD / YAML / ARM / BICEP / Terraform
- MSBI Traditional Stack (SQL, SSAS, SSIS, SSRS)
- Azure Automation / PowerShell
- Azure Streaming Analytics / Spark Streaming
- Azure Functions / C# .NET
- PowerApps
- Data Science
- Azure AI Services - Azure AI Foundry, Open AI, Cognitive Services
- Master Data Management / MDS
Certifications (Nice to have)
- Databricks Certified Associate / Professional
- Microsoft Azure Certifications
At Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves. We celebrate and respect our differences because diversity drives innovation and makes us stronger.
Be yourself with us, and feel that you belong.
We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation.
We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability.
We don’t believe hiring is a tick box exercise, so if you feel that you don’t match the job description 100%, but would still be a great fit for role, please get in touch.