Senior ETL Tester - Data Quality & Big Data (Oman)

Tech Mahindra; Oman; On-site; OMR 6,000 - 10,000; Full time

Job summary

Tech Mahindra in Oman is seeking an ETL Tester with 4+ years to validate data pipelines, ensure data integrity, and verify end-to-end flow from source systems to our data warehouse and data lake. The ideal candidate will master Teradata SQL and Informatica PowerCenter, with hands-on experience in Hadoop (Hive), Python, and telecom data testing.

Based in Oman, relocation is required; you will collaborate with ETL developers, data architects, and business analysts to deliver reliable data

Qualifications

• 4+ years of ETL testing experience in data warehousing environments.
• Strong Teradata SQL skills for data validation and performance testing.
• Hands-on Informatica PowerCenter experience and big data testing.
• Strong analytical and communication skills in Telecom data contexts.

Responsibilities

• Design and execute test plans and scripts for ETL pipelines.
• Validate data migration and end-to-end data flows.
• Collaborate with ETL developers and data architects to resolve issues.
• Automate repetitive testing tasks with Python where possible.

Skills

ETL Testing

Teradata SQL

Informatica PowerCenter

Hadoop/Hive

Python scripting

Telecom data

Agile/Scrum

Jira/ALM

Tools

Informatica PowerCenter

Teradata

Hadoop

Hive

Job description

Tech Mahindra in Oman is seeking an ETL Tester with 4+ years to validate data pipelines, ensure data integrity, and verify end-to-end flow from source systems to our data warehouse and data lake. The ideal candidate will master Teradata SQL and Informatica PowerCenter, with hands-on experience in Hadoop (Hive), Python, and telecom data testing.

Based in Oman, relocation is required; you will collaborate with ETL developers, data architects, and business analysts to deliver reliable data