Lead Application Support Specialist – Card Systems
First seen by Alion on Oct 23, 2026.
About the Role:
Are you an experienced technical support professional with a passion for high-availability financial systems? We are scaling our Singapore team to support a premier banking client in the Cards & Payments domain. We are looking for an Engineer who thrives on problem-solving, automation, and operational excellence.
What You Will Do:
Drive application stability and environment management across Development, SIT, UAT, and Mock Run.
Perform proactive system health monitoring, capacity tracking, and batch cycle support using Geneos and Splunk.
Troubleshoot end-to-end issues spanning Linux/Unix (RHEL), JBoss, Oracle/PostgreSQL databases, and network layers.
Drive operational efficiency by writing automation scripts in Python, Java, and Shell.
Manage seamless release implementations, deployments, and certificate/patch updates.
What You Need to Succeed:
6+ years of experience in L3 application support, production operations, or system administration.
Strong domain background or familiarity with Cards and Payments systems (VisionPLUS / Cardlink experience is a huge plus).
Proficiency in Linux/Unix, SQL debugging, and REST APIs.
Experience with event-driven architectures, microservices, and CI/CD toolsets.
Strong analytical mindset and ability to manage high-pressure incident resolutions independently.
Skills
Access Cards, Splunk, Release Management, SQL Programming, Unix, JBoss, VisionPLUS, RHEL, Production Support, Production Operations, Python, High Pressure, Automation Scripting, Event-Driven Architecture (EDA), Application Lifecycle Management, Java, Batch Management