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Senior Data Analyst
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Req. VR-120893
We are seeking an experienced Senior Data Analyst / Data Integration Analyst with a minimum of 7 years of hands‑on experience in data profiling, data reverse‑engineering, source‑to‑target mapping, and end‑to‑end traceability documentation.
You will play a key role in analyzing complex source systems, defining transformation logic, and creating comprehensive Data Mapping Specifications to support data integration, migration, and reporting initiatives.
Source Data Profiling and Reverse Engineering
Analyze and profile complex source systems to understand table structures, field definitions, data types, relationships, and data quality patterns.
Reverse‑engineer legacy or undocumented data sources to uncover business rules, hidden dependencies, and implicit logic.
Identify data anomalies, gaps, and inconsistencies that may impact downstream integration or reporting.
Mapping Rules and Transformation Logic Documentation
Interpret business requirements and translate them into detailed data mapping rules.
Define transformation logic, cleansing rules, derivations, lookups, and validation criteria in collaboration with SMEs, architects, and ETL developers.
Ensure mapping logic is technically sound, clearly documented, and aligned with enterprise data standards.
Data Mapping Specification and Traceability Development
Build and maintain end‑to‑end Data Mapping Specifications that include field‑level source‑to‑target mappings.
Establish full traceability from business requirements through source fields, transformation logic, and target fields.
Support ETL/ELT development teams by clarifying mapping rules and addressing data-related issues.
Collaboration and Stakeholder Interaction
Work closely with business SMEs, architects, and development teams to ensure shared understanding of data requirements.
Participate in design discussions and documentation reviews, providing clear analytical input.
Communicate risks, issues, and data-related insights to project stakeholders.
Must have
Minimum of 7 years of experience as a Data Analyst, Data Integration Analyst, or similar role.
Strong SQL skills for data profiling and source system analysis.
Proven experience in reverse‑engineering complex or undocumented source systems.
Solid understanding of data structures, relational databases, and metadata.
Hands-on experience preparing Data Mapping Specifications and documenting transformation rules.
Strong analytical and documentation skills with attention to detail.
Excellent communication and stakeholder‑facing skills.
Nice to have
N/A
Languages
English: C1 Advanced
Seniority
Senior
Chennai, India
Req. VR-120893
Data Reporting & Analysis
BCM Industry
11/02/2026
Req. VR-120893
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