Senior Data Analyst
Sia
- Mumbai, Maharashtra
- Permanent
- Full-time
- Lead the design, implementation, and upkeep of ETL / data pipelines (from source files through staging layers into the DWH), ensuring data correctness and efficiency.
- Architect and evolve semantic models / reusable datasets: define dimensions, hierarchies, and KPI definitions that align with business needs.
- Build, review, and optimize complex SQL-based transformations and views that feed into dashboards and reports.
- Develop, optimize, and maintain all aspects of Power BI dashboards: DAX measures, visuals and UXUI design, Power Query (M), security through RLS, OLS, and access rights, report publication and refresh.
- Lead and manage complete BI projects with Corporate teams from Business requirement to delivery thus including : requirements gathering, scoping, estimating work and timeline, designing specs, developing, validating with business stakeholders, deploying, and monitoring in production.
- Identify performance bottlenecks (in SQL queries or the data model) and optimize query speed, resource usage, and refresh times to improve user experience.
- Maintain and initiate documentation of data schema, data lineage, dashboards, and datasets; QA and perform tests / validation to ensure data integrity.
- Mentor junior analysts; raise and enforce standards and best practices in SQL, data modelling, and BI development.
- Bachelor's or Master’s in Computer Science, Data Analytics, Information Systems, Statistics, or a related field.
- 5-8+ years in analytics / BI roles with strong exposure to the Microsoft Power BI Suite.
- Deep hands-on experience in SQL: complex joins, aggregations, window functions, subqueries, optimizations.
- Solid experience with Power BI: semantic modelling, DAX, Power Query (M), report/dashboard design, RLS, publishing.
- Understanding of data warehousing / ETL architecture (ODS / staging / fact & dimension layers).
- Demonstrated ability to work on end-to-end projects: gathering requirements, specifying, implementing, testing, and monitoring dashboards.
- Strong communication skills; ability to engage with both technical and non-technical international audiences.
- Proven problem solving and performance tuning skills: recognizing bottlenecks, refactoring models or queries as needed.
- Certifications :
- Mandatory: PL-300 (Microsoft Certified: Data Analyst Associate)
- Preferred: PL-200: Power Platform Functional Consultant or PL-600: Power Platform Solution
- Experience in cloud analytics environments (Azure preferred).
- Familiarity with tools enhancing BI model maintenance (Tabular Editor, DAX Studio, ALM / version control for BI assets).