Pune · Staff/Principal
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The Data & ETL Engineering Lead (C13) is a senior technical leadership role responsible for architecting, designing, and delivering enterprise-scale data integration, ETL/ELT pipelines, and data warehousing solutions. This role requires an expert data engineer with deep hands-on proficiency in Ab Initio, modern Python-based data engineering, and relational database engines (Oracle DB).
As a C13 Data Lead, you will oversee end-to-end data delivery across the Software Development Life Cycle (SDLC), collaborate closely with cross-functional business and technical stakeholders, define data architecture and modeling standards, and implement automated CI/CD deployment pipelines for high-throughput batch and real-time processing systems.
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ETL & Data Integration
• Deep hands-on expertise in Ab Initio (Co>Operating System, GDE, Enterprise Meta>Environment (EME), Continuous Flows, Plan>It, Express>It, Component Development, Subgraphs, Partitioning/De-partitioning)
• Strong experience building custom data extractors, loaders, and transformers
Python Data Engineering
• Advanced Python 3.x for data processing and pipeline scripting
• Proficiency with libraries such as Pandas, NumPy, PyArrow, SQLAlchemy, PySpark, Polars
• Writing clean, object-oriented, testable Python code with unit test coverage (pytest/unittest)
Data Warehousing & Modeling
• Comprehensive understanding of Data Warehousing & Data Lakehouse concepts (Inmon vs. Kimball methodologies)
• Dimensional modeling (Star / Snowflake schemas, Factless Facts, Aggregate tables, SCD Types)
• Data lineage, Source-to-Target Mappings (STTM), metadata governance, and data profiling
Database & SQL
• Advanced Oracle 19c+ & PL/SQL programming (Complex joins, window functions, analytical functions, CTEs)
• Deep knowledge of Oracle optimizer, query execution plans, indexes (B-tree, Bitmap), partitioning/sub-partitioning strategies, and bulk operations (FORALL, BULK COLLECT)
CI/CD & Infrastructure
• Experience in CI/CD pipeline authoring (Jenkins, Harness, Tekton, GitHub Actions, GitLab CI)
• Database change management tools (e.g., Liquibase, Flyway)
• Linux/Unix shell scripting (Bash/Ksh), job scheduling tools (Autosys, Control-M, Airflow)
• Version control with Git / Bitbucket
Testing & Quality
• Automated data testing, data reconciliation, boundary testing, and regression suites
• Code quality tools and security scanners (SonarQube, Checkmarx, Snyk)
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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi’s EEO Policy Statement and the Know Your Rights poster.
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