Senior Business Intelligence (BI) Engineer
Job Summary
Closing Date
26/05/2026Senior BI Engineer
Location: Hybrid Durrington
Hours: 37 hours per week
Contract: Permanent
Salary: Competitive benefits
Who are we
Southern Water is building a modern trusted data platform to support better decisionmaking regulatory performance and customer outcomes. Our Business Intelligence teams play a critical role in turning complex data into clear actionable insight across the organisation.
The role
As a Senior BI Engineer you will play a leading and strategic role in designing and delivering enterprisegrade business intelligence solutions. Youll take ownership of the semantic layer and advanced Power BI reporting within a domainaligned agile squad ensuring that solutions are scalable performant secure and wellgoverned.
Working closely with the Platform Lead Data Modellers and a wide range of stakeholders youll translate complex business requirements into robust technical solutions validate architectural designs and champion high standards of data quality reliability and costeffective delivery.
In addition to technical leadership this role includes line management and crossmatrix leadership responsibilities where you will mentor BI Engineers grow capability across squads and help build a strong BI engineering community.
What youll be doing
Designing building and maintaining the enterprise semantic layer for highperformance reporting and analytics
Leading the delivery of a performance management framework with certified metrics and a single version of the truth
Developing and optimising Power BI datasets and reports applying advanced performance security and usability best practices
Implementing rowlevel security and access controls to protect sensitive data
Partnering with Data Modellers and Engineers to translate complex requirements into scalable technical solutions
Prototyping and validating designs using Databricks (SQL Python PySpark)
Establishing scalable BI build release and deployment processes including monitoring and issue resolution
Embedding data governance data quality and compliance standards into BI solutions
Managing and mentoring BI Engineers supporting skills development and career growth
Promoting knowledge sharing best practice and continuous improvement across the BI community
Actively contributing to agile ceremonies and driving iterative delivery and innovation
What were looking for
Were looking for an experienced BI professional who combines strong technical expertise with the ability to lead influence and mentor others.
Youll have:
5 years experience in BI data engineering or analytics roles
Experience managing or leading technical delivery and resources
Advanced experience with Power BI including semantic modelling and performance tuning
Strong handson experience with Databricks (SQL Python PySpark)
Excellent understanding of data quality governance and security
Experience working with modern data platforms including Azure Data Lake and Delta Lake
Strong background in data warehousing reporting and analytics
Experience with relational and dimensional data modelling
Ability to gather document and translate business requirements into highvalue BI solutions
Confidence using agile delivery methods and tools such as Jira and Confluence
Excellent communication stakeholder management and mentoring skills
A proactive selfmanaging approach and a passion for improving how BI is delivered at scale
Technical knowledge (desirable)
Azure data services including Azure Data Lake ADF and serverless functions
Power Query (M) and DAX
REST APIs and data integration
Metadata lineage management and data cataloguing
Performance tuning and optimisation techniques
Experience with domainoriented or data mesh architectures
Qualifications
Essential
Microsoft Certified: Power BI Data Analyst Associate
Databricks Certified Data Engineer
Desirable
Degree in Computer Science Data Engineering or a related discipline
Experience in data governance or data privacy roles
Scrum Master certification or equivalent leadership experience
Why join us
Play a key leadership role in Southern Waters data and analytics transformation
Shape how enterprise BI is delivered across the organisation
Work with modern cloudbased data and BI technologies
Hybrid and flexible working
Competitive salary pension bonus and a comprehensive benefits package
Required Experience:
Senior IC
About Company
Welcome to the Southern Water website. We provide water and wastewater services to East and West Sussex, Kent, Hampshire and the Isle of Wight.