Senior Business Intelligence; BI Engineer

Position: Senior Business Intelligence (BI) Engineer
## Senior Business Intelligence (BI) Engineer Apply locations:
Worthing:
FALMERtime type:
Full time posted on:
Posted Todaytime left to apply:
End Date:
July 31, 2026 (17 days left to apply) job requisition :
JR8281
** Closing Date
**** Senior BI Engineer
***
* Location:

** Hybrid – Durrington  
*
* Hours:

** 37 hours per week  
*
* Contract:

** Permanent  
** Salary:
** Starting from £50,000 plus benefits
** Who are we?
** Southern Water is building a modern, trusted data platform to support better decision-making, regulatory performance and customer outcomes. Our Business Intelligence teams play a critical role in turning complex data into clear, actionable insight across the organisation.

This is an exciting opportunity to join a newly formed BI Engineering team and help shape how business intelligence is delivered, governed and improved across Southern Water.
** The role
** As a Senior BI Engineer, you will help lead the day-to-day delivery of BI solutions within a domain-aligned agile squad.

This role would suit an experienced BI Developer or BI Engineer who is ready to take the next step into technical coordination, mentoring and delivery leadership. You do not need to have done every aspect of the role before, but you will need strong
** Power BI
** and semantic modelling experience, good SQL skills, strong communication, and the confidence to support other BI developers.

You will act as a key link between business stakeholders, Product Owners, Data Modellers, Data Engineers and Platform teams — helping translate business needs into practical, scalable and well-governed BI solutions.

The role includes hands-on BI development, technical guidance, squad-level coordination and mentoring. It is ideal for someone who enjoys building high-quality BI solutions, but also wants to help shape standards, improve ways of working and support the team to deliver effectively.
** What you’ll be doing
*** Designing, building and maintaining Power BI reports, datasets and semantic models
* Helping translate business requirements into clear, practical BI solutions
* Supporting day-to-day BI engineering delivery within a domain-aligned squad
* Coordinating work across BI Engineers, Data Modellers and Data Engineers
* Supporting prioritisation, backlog refinement and delivery planning
* Acting as a bridge between business stakeholders and technical delivery teams
* Applying good practice in Power BI performance, usability, security and access control
* Documenting report logic, data sources, measures, definitions and model design
* Supporting the development of certified metrics and a single version of the truth
* Reviewing and improving existing BI assets, models and reporting processes
* Using SQL and modern data platform tools to validate data and support report development
* Supporting data quality, governance and compliance requirements within BI solutions
* Mentoring and guiding BI Engineers, including sharing knowledge and reviewing work
* Helping establish reusable BI standards, patterns and delivery processes
* Contributing to agile ceremonies and continuous improvement across the BI community
** What we’re looking for
** We are looking for someone with strong BI development experience who can combine technical capability with good communication, stakeholder engagement and team working.

You may already be working as a Senior BI Engineer, or you may be an experienced BI Developer / BI Engineer ready to step into a broader role with more ownership, coordination and mentoring.
** Essential skills and experience
** You’ll need:
* Strong experience developing Power BI reports, datasets and semantic models
* Good understanding of
** DAX, Power Query and Power BI
** performance considerations
* Strong
** SQL
* * skills and experience working with relational data sources
* Understanding of data modelling concepts, including dimensional or semantic modelling
* Ability to gather, document and translate business requirements into reporting solutions
* Good communication skills, including the ability to work with non-technical stakeholders
* Experience working as part of a technical delivery team
* Ability to support, mentor or guide other BI developers
* Awareness…