Senior ETL Testing Lead - Telecom Data Quality & Validation

Tanqeeb; Muscat; On-site; OMR 22,000 - 32,000; Full time

Job summary

Tanqeeb in Oman is seeking a Senior ETL Tester with 5+ years of experience in telecom data to validate complex data pipelines from source systems to data warehouse and data lake.

You will use Informatica PowerCenter, Teradata SQL, Hive/HDFS and Python to ensure data quality, performance, and seamless data movement in Hadoop ecosystems.

Relocation to Oman is mandatory; the role requires hands-on testing and collaboration with ETL developers, data architects and business analysts.

Qualifications

• 5+ years of ETL / Data Warehouse testing experience.
• Telecom domain knowledge (OSS/BSS, Billing, CRM).
• Strong SQL skills in Teradata; complex data validation.
• Experience with Hadoop ecosystems and data quality testing.

Responsibilities

• Data Validation & Quality Assurance: Design, develop, and execute test plans for ETL processes using Informatica PowerCenter.
• Database Testing: Write advanced, optimized Teradata SQL queries for source-to-target validation, data integrity, and performance testing.
• Big Data Testing: Validate data ingestion and processing within Hadoop ecosystems (Hive, HDFS, Spark).
• Automation & Scripting: Use Python to automate testing tasks and data reconciliation.
• Telecom Domain Analysis: Leverage telecom data knowledge to analyze requirements and data anomalies.
• Defect Management & Collaboration: Track defects with Jira/ALM and collaborate with ETL developers and data architects.
• Data Migration & Integration Testing: Verify transformations across multiple data layers.

Skills

ETL Testing

Python scripting

Agile/Scrum

Data Warehousing

Communication

Tools

Informatica PowerCenter

Teradata SQL

Hive/HDFS

Spark

Hadoop

Python

Jira

ALM

Azure DevOps

Snowflake

AWS

Azure

Jenkins

Git

ISTQB

Job description

Tanqeeb in Oman is seeking a Senior ETL Tester with 5+ years of experience in telecom data to validate complex data pipelines from source systems to data warehouse and data lake.

You will use Informatica PowerCenter, Teradata SQL, Hive/HDFS and Python to ensure data quality, performance, and seamless data movement in Hadoop ecosystems.

Relocation to Oman is mandatory; the role requires hands-on testing and collaboration with ETL developers, data architects and business analysts.