Senior Data Analyst - Power BI/SQL
First seen by Alion on Oct 30, 2026.
Primary Skills :
Power BI, SQL, Data Analytics, Data Visualization
Key Responsibilities :
- Design, develop, and maintain interactive Power BI dashboards and reports for business and operational analytics.
- Write complex and optimized SQL queries to extract, transform, and analyze data from multiple sources.
- Develop robust data models and establish relationships between datasets for reporting and analytics.
- Optimize Power BI reports, dashboards, data models, and SQL queries for performance.
- Develop and maintain documentation for dashboards, datasets, data models, and analytical processes.
Requirements :
- 5+ years of hands-on experience in Data Analytics/Business Intelligence, with strong Power BI expertise.
- Strong understanding of Power BI data modeling, including Star Schema and dimensional modeling.
- Experience with Power BI performance optimization.
- Strong proficiency in SQL with the ability to write complex queries.
- Experience with joins, subqueries, CTEs, window functions, aggregations, views, and stored procedures.
- Strong understanding of relational databases and data warehouse concepts.
- Ability to optimize SQL queries and troubleshoot performance issues.
- Experience working with large and complex datasets.
Skills
Data Analyst, Data Analytics, Power BI, SQL, Data Modeling, Dimensional Modeling, Data Visualization, Dashboard Design