Sr. Platform Engineer

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

We are seeking a talented and experienced ETL Engineer to join our Technology team. This is a specialized technical senior role focused on Platform Engineer role responsible for administering, maintaining, and optimizing the Ab Initio - Enterprise ETL Platform in a Linux environment. This position combines strategic oversight of defined project deliverables (such as new cluster deployments, version upgrades, performance optimization and automation implementation)

What You’ll Do

Platform Administration & Maintenance: • Install and configure Ab-initio Software components in Linux Environments • Administer and maintain the Ab-Initio platform infrastructure in Linux environments • Perform platform version upgrades and patch management with minimal downtime • Execute Co>Op upgrades and ensure platform stability post-upgrade • Configure and manage dbc/ini files for integration with various source systems and target databases • Manage platform configuration, security, and access controls • Perform routine maintenance tasks and automate operational procedures

ETL Job Support & Monitoring: • Monitor ETL job execution and platform performance in real-time • Provide technical support to application teams for ETL job processing and troubleshooting • Troubleshoot and resolve platform-related issues impacting ETL job execution

Code Promotion & Deployment: • Manage code promotion activities across development, testing, and production environments • Coordinate with application teams on deployment schedules and requirements • Validate code deployments and ensure platform stability post-promotion • Maintain deployment documentation and change logs • Support rollback procedures if needed

Monitoring, Performance Optimization & Tuning: • Monitor platform performance metrics and identify optimization opportunities • Analyze ETL job performance and recommend tuning strategies • Implement performance improvements and validate results • Optimize resource utilization (CPU, memory, disk I/O) across the platform • Conduct capacity planning and recommend infrastructure enhancements

Integration & Connectivity: • Configure and maintain connectivity with various source systems and target databases • Set up and manage database connections and integration parameters • Support data ingestion from multiple sources and Data platforms • Troubleshoot connectivity and data flow issues

What We’re Looking For • 5+ years of hands-on experience with ETL/data integration tools; preferably with Ab Initio • 5+ years of Ab Initio platform administration and operational support experience • Strong understanding of Ab Initio architecture, components, and configuration • Proficiency in Ab Initio platform administration, maintenance, and troubleshooting • Experience with Ab Initio version upgrades and Co-Op upgrades • Experience supporting ETL job execution and troubleshooting • Proficiency in Linux/Unix environments and command-line operations • Shell scripting expertise • Familiarity with system monitoring and performance analysis tools

Preferred Qualification • Strong knowledge of