Informatica-Bigdata-Hive-Hadoop-UNIX(Production Support)

Key Responsibilities

Production Support & Incident Management

Provide L2/L3 support for Big Data and ETL applications Monitor batch jobs, workflows, and data pipelines (24/7 support model if required) Troubleshoot Informatica workflows, Hadoop/Hive jobs, and UNIX scripts Perform root cause analysis (RCA) and ensure timely resolution of incidents Track and resolve SLA breaches, P1/P2 incidents

ETL & Data Pipeline Support

Support and maintain Informatica PowerCenter / IICS workflows Debug ETL failures, data mismatches, and performance issues Perform data validation and reconciliation across systems Handle data ingestion and transformation pipelines

Big Data / Hadoop Ecosystem

Troubleshoot issues in:

Hadoop (HDFS, YARN) Hive queries and performance tuning Spark jobs (basic to intermediate exposure preferred)

Analyze logs, optimize queries, and ensure smooth data processing

Unix & Scripting

Develop and support Shell scripts for automation Analyze logs, manage file movements, job scheduling, and cron jobs Automate repetitive support activities

Monitoring & Tools

Work with scheduling tools:

Autosys / Control-M / Airflow

Use monitoring and ticketing tools:

ServiceNow / Jira

Proactively monitor systems and prevent failures

Performance & Optimization

Identify bottlenecks in ETL and Big Data workloads Optimize Hive queries, partitioning, and indexing strategies Improve job execution time and system stability

Stakeholder Coordination

Collaborate with:

Development teams Business stakeholders Infrastructure teams

Communicate status updates and incident reports clearly