Application Support ETL & Informatica Engineer

Alight is seeking an experienced ETL/Informatica Application Support Engineer with strong analytical and problem-solving capabilities, excellent troubleshooting skills, and the ability to drive stability and continuous improvement in production environments. This role requires a proactive, self-motivated professional who can work independently in a fast-paced operational landscape while delivering high-quality support and enhancements.

The Application Support ETL & Informatica Engineer will serve as a technical leader within the Applications Support team.

Key Responsibilities

The individual will be involved in the following critical support and operational activities:

• Monitor, support, and troubleshoot ETL and data integration workflows across production, QA, and development environments to ensure smooth daily operations.

• Analyze and resolve incidents, job failures, and performance issues related to Informatica workflows, mappings, and SQL jobs.

• Own and maintain ETL components including Informatica mappings, metadata, scripts, schedules, and operational procedures. Identify opportunities to optimize performance, scalability, and reliability of existing jobs/processes.

• Ensure stability of data ingestion pipelines spanning batch, near-real-time, and real-time patterns. Fine-tune ETL solutions by developing a deep technical understanding of data flows and upstream/downstream dependencies.

• Collaborate with DBAs and Data Architects to implement appropriate data partitioning, indexing, and optimization strategies to enhance job performance.

• Develop or modify SQL scripts, stored procedures, database triggers, and queries as part of incident resolution, change requests, or performance tuning.

• Work closely with cross-functional and offshore teams, ensuring timely resolution of issues, clear communication, and adherence to support SLAs and operational guidelines.

• Manage multiple concurrent support tickets, change requests, and enhancement tasks , balancing priorities based on business impact and urgency.

• Ensure compliance with published support, development, coding, and testing standards , as well as change management practices.

• Strong analytical thinker with the ability to troubleshoot complex data and integration issues effectively.

• Flexible, adaptable, and pragmatic, with the ability to remain focused on objectives while handling shifting priorities.

• 5+ years of experience in ETL application support, Informatica PowerCenter/Cloud, and SQL Server in production environments.

• Practical experience with SQL Server , including schema understanding, stored procedure development, query tuning, and optimization.

• Hands-on experience with job scheduling tools such as Control-M or AutoSys for monitoring and support automation.

• Excellent communication skills and ability to work both independently and as part of a distributed/onshore-offshore team.

• Bachelor’s degree in a technology or engineering field.

We offer you a competitive total rewards package, continuing education & training, and tremendous potential with a growing worldwide organization.