ETL Test Engineer

NTT DATA, Inc.; India; Hybrid; INR 3,500,000 - 6,000,000; Full time

Job summary

NTT DATA is seeking an experienced Data Engineer in India to translate Informatica mappings into dbt models on Snowflake and to design scalable data pipelines across staging, core, and mart layers.

You will maintain dbt tests, implement snapshots and seeds, and collaborate with Snowflake developers to optimize storage and query performance while ensuring parity with legacy ETL outputs. Strong communication is essential.

Qualifications

• 7+ years of experience in Data Engineering / ETL / DW.
• 2+ years working with dbt (Core or Cloud).
• Strong SQL skills, especially on Snowflake.
• Experience with dbt concepts: models, tests, sources, seeds, snapshots, macros, exposures.
• Prior experience with Informatica (developer-level) is desirable.
• Understanding of CI/CD practices and integrating dbt into automated pipelines.
• Knowledge of data modeling (dimensional models, SCDs, fact/dimension design).
• Experience working in offshore delivery with onshore coordination.
• Good communication skills and ability to read/understand existing ETL logic and requirements documentation.

Responsibilities

• Translate Informatica mappings, transformations, and business rules into dbt models on Snowflake.
• Design and implement staging, core, and mart layers using standard dbt patterns.
• Develop and maintain dbt tests to ensure data quality.
• Implement snapshots, seeds, macros, and reusable components.
• Collaborate with Snowflake developers to support dbt models.
• Ensure functional equivalence between legacy outputs and new dbt outputs.
• Participate in performance tuning of dbt models and Snowflake queries.
• Integrate dbt with CI/CD pipelines for automated runs and validations.
• Contribute to documentation of dbt models and data lineage.
• Participate in defect analysis, bug fixes during migration and stabilization.

Skills

dbt (Core or Cloud)

SQL (Snowflake)

CI/CD

Communication

Data modeling

Tools

Snowflake

dbt

Job description

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NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization.

• Translate Informatica mappings, transformations, and business rules into dbt models (SQL) on Snowflake.
• Design and implement staging, core, and mart layers using standard dbt patterns and folder structures.
• Develop and maintain dbt tests (schema tests, data tests, custom tests) to ensure data quality and integrity.
• Implement snapshots, seeds, macros, and reusable components where appropriate.
• Collaborate with Snowflake developers to ensure physical data structures support dbt models efficiently.
• Work with functional teams to ensure functional equivalence between legacy Informatica outputs and new dbt outputs.
• Participate in performance tuning of dbt models and Snowflake queries.
• Integrate dbt with CI/CD pipelines (e.g., Azure DevOps, GitHub Actions) for automated runs and validations.
• Contribute to documentation of dbt models, data lineage, and business rules.
• Participate in defect analysis, bug fixes, and enhancements during migration and stabilization phases.

Experience & Skills

• 7+ years of experience in Data Engineering / ETL / DW, with 2+ years working with dbt (Core or Cloud).
• Strong SQL skills, especially on Snowflake or another modern cloud DW.
• Experience with dbt concepts: models, tests, sources, seeds, snapshots, macros, exposures.
• Prior experience with Informatica (developer-level understanding of mappings/workflows) is highly desirable.
• Understanding of CI/CD practices and integrating dbt into automated pipelines.
• Knowledge of data modeling (dimensional models, SCDs, fact/dimension design).
• Experience working in offshore delivery with onshore coordination.
• Good communication skills and ability to read/understand existing ETL logic and requirements documentation.

About NTT DATA

NTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners.NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.

Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, https://us.nttdata.com/en/contact-us .

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