Senior Power BI Architect

Persistent Systems
Watford, UK
4 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
10 years minimum
Working hours
Regular working hours

Tech stack

Microsoft Excel Microsoft Azure Business Intelligence Development Big Data Data Governance Extract Transform Load (ETL) Data Warehousing Performance Tuning Power BI SQL Databases SQL Server Reporting Services SQL Server Analysis Services
+5 more
Powerquery Data Lakes AWS Glue Azure Synapse Analytics Amazon Redshift

Job description

  • Architect and implement scalable Power BI solutions for enterprise reporting.
  • Lead the BI roadmap: consolidation, migration, and modernization (e.g., SSRS/Excel to Power BI; on-prem to AWS Glue + Amazon Athena + Amazon Redshift + Amazon QuickSight).
  • Design and optimize complex data models using Tabular Editor and DAX Studio. Manage and optimize very large datasets (VLDB) for performance and scalability.
  • Collaborate with business stakeholders to gather requirements and translate them into technical solutions.
  • Lead performance tuning, including DAX optimization and query diagnostics.
  • Ensure data governance, security, and compliance across BI platforms.
  • Mentor junior BI developers and enforce best practices.
  • Stay current with Power BI updates and industry trends.

Requirements

  • Expert-level proficiency in Power BI, DAX, Power Query, and data modeling.
  • Strong experience with DAX Studio and Tabular Editor for performance tuning and model management.
  • Proven ability to manage and optimize very large datasets in Power BI and Azure.
  • Solid understanding of SQL, ETL processes, and data warehousing.
  • Familiarity with Azure Synapse, Data Lake, and Analysis Services (AAS/SSAS).
  • Strong performance tuning: aggregations, incremental refresh, Hybrid tables, Direct Query optimizations, query folding

Benefits & conditions

  • Competitive salary and benefits package
  • Culture focused on talent development with quarterly promotion cycles and company-sponsored higher education and certifications.
  • Opportunity to work with cutting-edge technologies.
  • Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
  • Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

About the company

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 21 sequential quarters of growth with $389.7M in Q1 FY26 revenue, up 3.9% Q-o-Q and 18.8% Y-o-Y growth. Our 25,000+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been named the fastest-growing Indian IT services brand in the “Brand Finance India 100” 2025 report. We were also cited as a Leader in the ISG Provider Lens 2025 for Digital Engineering Services 2025 and the Everest Group Talent Readiness for Next-generation Application Services PEAK Matrix® Assessment 2025.

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