Full Time Production Support Engineer – Cards - Payments Tech Jobs, in Optimum Solutions Pte Ltd - Maukerja

About the Role:

Are you an experienced technical support professional passionate about high-availability financial systems? We are looking for an L3 System Engineer who thrives on problem-solving, automation, and operational excellence. You will join the Singapore team supporting a premier banking client in the Cards & Payments domain.

What You Will Do:

• Drive application stability and environment management across Development, SIT, UAT, and Mock Run.
• Proactively monitor system health, track capacity, and support batch cycles 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 independently manage high-pressure incident resolution.