Harnham
Senior Customer Analyst
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Senior Customer Analyst
London | Hybrid (3 days office)
Up to £80,000
We're working with a fast-growing telecoms business that has undergone significant transformation following PE investment. Over the last 4-5 years, the company has built a highly respected data function spanning Data Governance, BI, Analytics, Data Science, and Digital - and continues to invest heavily in data as a core growth driver. Their analytics team is award-winning and widely recognised in the industry, with continued expansion planned.
The Team
You'll join a high-performing analytics function reporting into the Head of Analytics. The team includes:
- Analytics (4 Analysts incl. this hire)
- 3 Data Scientists
- BI team
- Digital team
This is a hands-on, senior individual contributor role with potential to mentor junior analysts in future.
The Role
This is a commercially focused analytics position where you will directly influence decision-making across marketing, finance, and commercial leadership teams. You'll work closely with stakeholders including MDs, Finance Directors, Marketing Directors, and Commercial leaders.
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Key focus areas include:
- Customer segmentation & behavioural analytics
- Churn, retention, loyalty & CLTV analysis
- Marketing and campaign performance analysis
- Commercial performance and ROI measurement
You will be expected to go beyond reporting - delivering actionable insight that shapes strategy and drives measurable business impact.
Example Projects
- Understanding drivers of customer churn and improving retention strategies
- Identifying high-value customer segments and optimising marketing approaches
- Measuring marketing ROI and campaign effectiveness
- Exploring untapped data sources (customer service, device, location data)
- Evaluating opportunities such as eSIM adoption and connected devices
What We're Looking For
- Strong SQL skills (complex querying, joins, large datasets)
- Python or R experience preferred
- Strong commercial mindset with ability to translate data into insight
- Experience in customer analytics (telecoms, subscription, or consumer businesses ideal)
- Strong understanding of churn, retention, CLTV, and marketing analytics
- Confident communicator with experience engaging senior stakeholders
- Proactive, curious, and able to work independently in a fast-moving environment
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Why Join?
- High-growth business backed by PE investment
- Analytics is a core strategic function with strong executive buy-in
- Award-winning data team with strong reputation in the market
- Significant opportunity to influence commercial strategy
- Access to rich, under-utilised datasets and real-world impact projects
Interview Process
- Intro chat with Head of Analytics (15 mins)
- Case study + experience interview (60 mins total)
- Final sign-off interview
If you're an experienced analytics professional who enjoys turning complex customer data into clear commercial decisions, this is a strong opportunity to have real business impact in a high-growth environment.
Find out more and apply via the link below!
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