Lead Application Support Specialist - Card Systems

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD; Singapore; Presencial; SGD 120 000 - 180 000; Tempo integral

Resumo da oferta

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD is seeking an experienced technical support Engineer to join our Singapore team supporting a premier banking client in the Cards & Payments domain.

You will drive stability, monitor systems, and troubleshoot across Linux, databases, and middleware, while delivering automation to reduce incidents and accelerate deployments. The role requires strong problem-solving skills and the ability to perform under pressure.

Qualificações

• 6+ years of experience in L3 application support, production operations, or system administration.
• Strong Cards and Payments domain background or familiarity (VisionPLUS / Cardlink is a plus).
• Proficiency in Linux/Unix, SQL debugging, and REST APIs.
• Experience with event-driven architectures, microservices, and CI/CD toolsets.
• Ability to manage high-pressure incident resolutions independently.

Responsabilidades

• Drive application stability and environment management across Development, SIT, UAT, and Mock Run.
• Perform proactive system health monitoring, capacity tracking, and batch cycle support with Geneos and Splunk.
• Troubleshoot end-to-end issues spanning Linux/Unix (RHEL), JBoss, Oracle/PostgreSQL, and network layers.
• Write automation scripts in Python, Java, and Shell to improve operational efficiency.
• Manage seamless release implementations, deployments, and certificate/patch updates.

Conhecimentos

Linux/Unix

SQL debugging

REST APIs

event-driven architectures

microservices

CI/CD toolsets

Python

Java

Shell scripting

Ferramentas

Geneos

Splunk

Jboss

Oracle

PostgreSQL

Descrição da oferta de emprego

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.