Data Engineer

GLL is looking for a Data Engineer to join our dynamic Business Insights team based at our vibrant Head Office in Woolwich. If you’re passionate about data engineering, innovation, and making a real difference in communities, this is more than just a Data Engineer job – it’s a career with purpose. 

At GLL, the UK’s largest public leisure operator and a charitable social enterprise, we use data to shape better lives. We’re looking for a talented Data Engineer to help scale our Azure-based platform and transform raw data into meaningful insights that drive decision-making across 400+ facilities — from leisure centres and libraries to children’s centres and elite sports venues. 

As a Data Engineer, you’ll play a central role in how we gather, structure, and use data to support operational excellence and social impact. You’ll work in a collaborative and mission-led environment where your contributions truly matter. 

What you’ll do: 

Design, build and maintain scalable ETL/ELT pipelines using Databricks, Azure Data Factory, Airflow, and other orchestration tools 

Optimise and manage our SQL Server databases and Azure Data Lake environments 

Develop robust, analyst-friendly data models that power high-impact reporting in Power BI 

Integrate complex data from systems like CRM, finance, and operations into a clean, central warehouse 

Use Python, Databricks, and Azure Synapse for advanced processing, transformation, and automation 

Collaborate closely with analysts and business teams to ensure reliable, high-quality data flows 

At GLL, no two days are the same — your work will power decisions that improve health, happiness, and opportunity for millions of people. 

What you need: 

Experience working with Azure data services – including Data Factory, Blob Storage, and Synapse Analytics 

Strong SQL and data modelling skills, especially for analytics and BI 

Knowledge of Power BI datasets, service infrastructure, and refresh pipelines 

Hands-on experience with Databricks, Airflow, or similar tools 

Bonus: Experience in CI/CD, DevOps, or data governance in a BI environment 

A collaborative mindset, strong communication skills, and a desire to use data for good 

As a leader within the leisure industry, we can also offer scope to progress your career and job variety like nowhere else. As a charitable social enterprise and cooperative owned by our staff, GLL is a unique organisation for you to have a career with! 

The basics: 

This is a Full time permanent based at our vibrant Woolwich Head office.

We are an accredited Living Wage employer with industry-leading rates of pay. 

We can offer a career, not just a job, with extensive Learning & Development support available. 

A uniform will be supplied and must be worn. 

GLL is Values Driven, not Profit Driven. We work hard to benefit the communities we operate in. 

As a staff-owned organisation, you will be given the opportunity to join the Society and have a stake in your business. 

Additionally, GLL offers employees a range of employment benefits: 

Access to a pension scheme. 

Health Assurance and access to Counselling services. 

Access to the tax-efficient Ride to Work bicycle purchase scheme. 

Free annual eye tests. 

Discounted nationwide (over 200 centres) inclusive leisure centre membership for you and your partner. This includes GLL Extras!

GLL Society benefits (if you choose to join the Society after your probation period) include: 

The right to stand for the Society board and to vote for board members to represent you. 

Access to team building and fun events such as treks, concerts, outings, etc. 

Access to a range of benefits exclusive to our people