Telefonica Tech
Principal Data Consultant

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Principal Data Consultant
Company Description 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 Job Description 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.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
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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 Qualifications 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 Additional Information 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.


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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.
Department: Data&AI Employment Hours: Full time
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