4 of 4 Data Analysis Expressions Jobs in Wales

data models using a star schema approach, managing the full lifecycle through to deployment and end-user guidance. Create and optimise DAX measures and calculated columns to deliver accurate and insightful reporting. Analyse data to uncover trends, patterns, and opportunities for improvement. Work closely with stakeholders … . Proven experience designing and building Power BI data models or relational databases using a star schema methodology. Strong working knowledge of DAX, Role Level Security and report deployment best practices. Solid understanding of GDPR and handling sensitive data appropriately. Experience ensuring data integrity ...

optimisation Monitoring, audit logging, and usage analytics Gateway architecture and connectivity controls Service principals and credential management Standardise use of enterprise tooling (e.g. DAX Studio, Tabular Editor, ALM Toolkit) Rationalise and optimise the existing estate to improve resilience, performance, and cost efficiency Operating Model & Lifecycle Management Define RACI across business … Experience Extensive tenant-level administration of Power BI Strong working knowledge of Microsoft Fabric architecture Experience managing Premium and/or Fabric capacities Advanced DAX and enterprise semantic modelling (star schema) Performance tuning and optimisation of semantic models Advanced Power Query diagnostics and optimisation SQL optimisation for analytics workloads Working ...

optimisation Monitoring and audit configuration Gateway architecture and connectivity controls Service principal and credential management Standardise adoption of external tools to: Support model optimisation (DAX Studio) Enforce best-practice and maintain rulesets (Tabular Editor with Best Practice Analyzer) Ensure controlled deployments (ALM Toolkit) Rationalise existing platform assets to: Improve ownership … experience administering Microsoft Power BI at tenant level. Strong working knowledge of Microsoft Fabric architecture. Experience managing Premium or Fabric capacities. Advanced knowledge of DAX calculations and enterprise semantic modelling (star schemas). Expertise in performance tuning and optimisation of semantic models. Advanced knowledge of Power Query transformations and diagnostics. ...

Rate: £400 per day (Outside IR35) Role Overview We are seeking an experienced Power BI Specialist contractor to own enterprise semantic modelling, advanced DAX development and reporting governance.This is a hands-on technical role focused on Power BI semantic models, not dashboard production. You will design, optimise and govern certified … Responsibilities Enterprise Semantic Modelling Design, build and maintain enterprise Power BI semantic models using star schema and dimensional modelling best practice. Develop advanced DAX measures, calculation groups and reusable logic Ensure datasets reflect authoritative, agreed business definitions Implement time-aware models, surrogate keys and conformed dimensions Performance & Optimisation Diagnose ...