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NTT · Bangalore, KA, IN, India

# Data Engineer Senior Consultant

Bangalore, KA, IN, India Full-time Senior individual contributor Data & Analytics 

Listed on NTT’s official careers site. Posted October 18, 2026. Check that it is still open and apply there.
[Apply on NTT’s careers site →](https://careers.nttdata.com/global/en/job/NTT1GLOBAL386499EXTERNALENGLOBAL/Data-Engineer-Senior-Consultant)

[OpenNash Jobs](https://jobs.opennash.com/) / [NTT](https://jobs.opennash.com/companies/ntt/) / Data Engineer Senior Consultant

## Job description

### Key Responsibilities
- Assess complex Informatica workflows including sessions, mappings, and parameterizations and translate them into equivalent Python EL scripts and dbt transformation models.
- Develop and maintain Python EL pipelines to land high-volume data, including billion-row tables, into the target warehouse using SQLAlchemy, cx_Oracle, pyodbc, and bulk export tools such as Oracle Data Pump and SQL Server BCP.
- Design and develop dbt transformation models based on Informatica mapping logic, incorporating dbt best practices including model layering, macros, incremental strategies, and snapshot patterns.
- Develop dbt-native tests as well as custom Python unit tests to validate transformation correctness and data quality.
- Develop Airflow DAGs to orchestrate Python EL and dbt scripts end-to-end, producing output that is functionally equivalent to the source Informatica workflows.
- Contribute to GitLab CI/CD pipeline for dbt and Airflow code, including lint gates, automated testing, and deployment to shared NAS.
- Perform peer code reviews and provide constructive technical feedback to fellow engineers.
- Troubleshoot performance issues and data discrepancies during SIT and UAT, including row-count reconciliation between source Oracle/SQL Server systems and the target warehouse.
- Contribute to technical documentation, runbooks, and handover materials.

## At a glance
- Posted by the employer: Oct 18, 2026
- First seen by OpenNash: Oct 19, 2026
- Last checked: Oct 19, 2026
- Listed for: 1 day
- Location: Bangalore, KA, IN, India
- Employment type: Full-time[Apply on NTT’s careers site →](https://careers.nttdata.com/global/en/job/NTT1GLOBAL386499EXTERNALENGLOBAL/Data-Engineer-Senior-Consultant)

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Dates come from the employer where stated; “first seen” and “last checked” are our own observations.

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