Senior Data Analyst

Senior Data Analyst

London Full-Time 45000 - 105000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Analyse customer data to drive smarter pricing and engagement strategies.
  • Company: Join a leading UK telecoms provider focused on customer-centric growth.
  • Benefits: Enjoy a salary up to £75k, hybrid work, private healthcare, and wellness budget.
  • Why this job: Make an impact with data insights in a collaborative, fast-paced environment.
  • Qualifications: Strong SQL skills and experience with large datasets; visualisation tools knowledge is a plus.
  • Other info: Opportunity for clear progression towards Senior Analyst or Analytics Manager roles.

The predicted salary is between 45000 - 105000 £ per year.

Senior Data AnalystSalary: Up to £75kLocation: London, Hybrid

Data Idols is partnering with one of the UK’s most customer-centric telecoms providers as they double down on data to fuel their next phase of growth. We’re looking for a Senior Data Analyst to join a fast-paced team focused on using insight to drive smarter pricing, retention, and customer engagement strategies.

The Opportunity

This isn’t just number crunching, it’s about owning insight that shapes decisions across the commercial landscape.

In this role, you’ll:

  • Analyse large-scale customer and usage data across mobile, broadband, and TV services

  • Work with commercial, product, and marketing teams to optimise pricing, reduce churn, and improve acquisition

  • Deliver dashboards and visual insights that land with impact at C-level

  • Influence the wider data roadmap by identifying opportunities for scalable insight

You’ll be supported by a modern data stack and a collaborative team that values curiosity, ownership, and storytelling with data.

What’s in it for you?

  • Salary up to £75,000 + performance bonus
  • Hybrid working from a modern London office (2-3 days/week)
  • Private healthcare, pension, and wellness budget
  • Clear progression path toward Senior Analyst or Analytics Manager
  • Work alongside experienced data leaders in a business that truly values data

Skills and Experience

  • Proven experience working with large customer or commercial datasets
  • Strong SQL skills and comfort with Excel or Google Sheets
  • Experience with visualisation tools (e.g., Power BI, Looker, Tableau)
  • Comfortable working cross-functionally with product, marketing, and ops teams
  • A commercial mindset and the ability to translate data into business action
  • Bonus if you’ve worked in a B2C, subscription, or telecoms environment

If you’re passionate about using data to solve business problems, thrive in fast-paced environments, and want to make a difference in one of the UK’s most customer-focused telecoms brands, we’d love to hear from you. Click Apply to send your CV and start the conversation.

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Senior Data Analyst employer: Data Science Festival

Data Idols offers an exceptional work environment for a Senior Data Analyst, where you will be at the forefront of driving impactful insights in one of the UK's leading telecoms providers. With a hybrid working model from a modern London office, competitive salary, and a clear progression path, employees are encouraged to grow alongside experienced data leaders in a culture that values curiosity and collaboration. The company also provides comprehensive benefits including private healthcare and a wellness budget, making it an attractive place for those looking to make a meaningful impact in their careers.
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Contact Detail:

Data Science Festival Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Data Analyst

✨Tip Number 1

Familiarise yourself with the latest trends in data analytics, especially in the telecoms sector. Understanding how data drives customer engagement and retention strategies will help you speak confidently about your insights during interviews.

✨Tip Number 2

Network with professionals in the telecoms industry or data analytics field. Attend relevant meetups or webinars to connect with potential colleagues and learn more about the company culture and expectations.

✨Tip Number 3

Prepare to discuss specific examples of how you've used data to influence business decisions. Be ready to showcase your experience with SQL and visualisation tools, as these are crucial for the role.

✨Tip Number 4

Research the company’s current data initiatives and be prepared to suggest how you could contribute to their goals. Showing that you understand their business and have ideas for improvement can set you apart from other candidates.

We think you need these skills to ace Senior Data Analyst

Data Analysis
SQL
Excel or Google Sheets
Data Visualisation Tools (e.g., Power BI, Looker, Tableau)
Cross-Functional Collaboration
Commercial Mindset
Customer Insight Analysis
Dashboard Creation
Problem-Solving Skills
Communication Skills
Adaptability
Storytelling with Data
Experience with Large Datasets
Understanding of B2C and Subscription Models

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with large datasets, SQL skills, and any relevant visualisation tools like Power BI or Tableau. Emphasise your ability to work cross-functionally and translate data into actionable insights.

Craft a Compelling Cover Letter: In your cover letter, express your passion for data analysis and how it can drive business decisions. Mention specific examples of how you've used data to influence pricing, retention, or customer engagement strategies in previous roles.

Showcase Your Analytical Skills: Include specific projects or achievements that demonstrate your analytical skills and experience with customer data. Use metrics to quantify your impact, such as improvements in customer retention or successful pricing strategies.

Highlight Relevant Experience: If you have experience in B2C, subscription, or telecoms environments, make sure to highlight this in your application. This will show that you understand the industry and can bring valuable insights to the team.

How to prepare for a job interview at Data Science Festival

✨Showcase Your Analytical Skills

Prepare to discuss specific examples of how you've analysed large datasets in the past. Be ready to explain your thought process and the impact your insights had on business decisions.

✨Familiarise Yourself with Visualisation Tools

Since the role involves delivering impactful dashboards, brush up on your skills with tools like Power BI, Looker, or Tableau. Bring examples of your previous work to demonstrate your proficiency.

✨Understand the Business Context

Research the telecoms industry and the company’s position within it. Be prepared to discuss how data can drive smarter pricing and customer engagement strategies specific to their business model.

✨Prepare for Cross-Functional Collaboration

Think of instances where you've worked with product, marketing, or operations teams. Be ready to share how you communicated insights and influenced decisions across different departments.

Senior Data Analyst
Data Science Festival
Location: London

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