Junior L2 Production Support

ELLIOTT MOSS CONSULTING PTE. LTD.; Singapore; On-site; SGD 67,000 - 100,000; Full time

Job summary

ELLIOTT MOSS CONSULTING PTE. LTD. in Singapore is seeking an experienced L2 Application Support Engineer to provide production incident management and application troubleshooting for business-critical banking applications.

You will support Linux/Unix, Java, databases, APIs, and messaging systems, perform root-cause analysis, coordinate service recovery, and drive stability through automation and documented procedures.

Qualifications

• Diploma or Degree in Computer Science, Information Technology, Software Engineering or a related discipline.
• Relevant experience in L2 Application Support, Production Support or Technical Support.
• Hands-on experience troubleshooting applications running on Linux/Unix environments.
• Good knowledge of Java application support and JVM troubleshooting.
• Experience with SQL and database troubleshooting.
• Understanding of REST APIs, HTTP protocols and application integration.
• Experience in incident management, log analysis and production issue resolution.
• Strong analytical, troubleshooting and problem-solving skills.
• Good communication skills and ability to work with cross-functional technical teams.
• Willingness to work in a rotational shift environment.

Responsibilities

• Provide Level 2 (L2) production support for business-critical applications and system interfaces.
• Investigate application errors, transaction failures and production incidents.
• Analyse application logs, system events and error messages to identify root causes.
• Coordinate incident resolution and service recovery to minimise business impact.
• Perform application restarts, batch job reruns and recovery activities where required.
• Escalate complex technical issues to development, infrastructure, database and middleware teams.
• Conduct root-cause analysis and recommend solutions to prevent recurring incidents.
• Troubleshoot application issues across Linux/Unix, Java, databases, APIs and integrated systems.
• Perform SQL queries and database checks to investigate transaction and data-related issues.
• Analyse application logs and trace transactions across upstream and downstream systems.
• Investigate API failures, connectivity issues, timeouts and integration errors.
• Perform application health checks and identify potential system performance issues.
• Support troubleshooting involving messaging queues, batch processing and network connectivity.
• Monitor application performance, system health, interfaces and scheduled batch jobs.
• Support planned production activities, application deployments and post-deployment validation.
• Maintain technical documentation, operational procedures and incident recovery guides.
• Identify opportunities to improve application stability through automation and process improvements.
• Participate in production support activities, shift coverage and incident escalation.

Skills

L2 application support

Incident management

Java application support

SQL

Linux/Unix troubleshooting

REST APIs

Education

Diploma/degree in CS/IT/SE

Tools

IBM MQ

Batch scheduling tools

SQL tooling

Job description

Job Summary

We are looking for an experienced L2 Application Support Engineer to provide technical support for business-critical banking applications. The successful candidate will be responsible for production incident management, application troubleshooting, service recovery, root-cause analysis and maintaining application stability.

The role involves supporting applications across Linux/Unix, Java, databases, APIs, messaging systems and batch processing environments. Candidates should have strong hands‑on experience in production support and be able to investigate and resolve technical issues across multiple application and infrastructure components.

Key Responsibilities

1. Application Support and Incident Management

• Provide Level 2 (L2) production support for business‑critical applications and system interfaces.

• Investigate application errors, transaction failures and production incidents.

• Analyse application logs, system events and error messages to identify root causes.

• Coordinate incident resolution and service recovery to minimise business impact.

• Perform application restarts, batch job reruns and recovery activities where required.

• Escalate complex technical issues to development, infrastructure, database and middleware teams.

• Conduct root-cause analysis and recommend solutions to prevent recurring incidents.

2. Technical Troubleshooting

• Troubleshoot application issues across Linux/Unix, Java, databases, APIs and integrated systems.

• Perform SQL queries and database checks to investigate transaction and data-related issues.

• Analyse application logs and trace transactions across upstream and downstream systems.

• Investigate API failures, connectivity issues, timeouts and integration errors.

• Perform application health checks and identify potential system performance issues.

• Support troubleshooting involving messaging queues, batch processing and network connectivity.

3. Production and Operational Support

• Monitor application performance, system health, interfaces and scheduled batch jobs.

• Support planned production activities, application deployments and post-deployment validation.

• Maintain technical documentation, operational procedures and incident recovery guides.

• Identify opportunities to improve application stability through automation and process improvements.

• Participate in production support activities, shift coverage and incident escalation.

Requirements and Qualifications

• Diploma or Degree in Computer Science, Information Technology, Software Engineering or a related discipline.

• Relevant experience in L2 Application Support, Production Support or Technical Support.

• Hands‑on experience troubleshooting applications running on Linux/Unix environments.

• Good knowledge of Java application support and JVM troubleshooting.

• Experience with SQL and database troubleshooting.

• Understanding of REST APIs, HTTP protocols and application integration.

• Experience in incident management, log analysis and production issue resolution.

• Strong analytical, troubleshooting and problem‑solving skills.

• Good communication skills and ability to work with cross‑functional technical teams.

• Willingness to work in a rotational shift environment.

Good to Have

• Experience in the banking or financial services industry.

• Knowledge of COBOL and CICS mainframe environments.

• Experience with IBM MQ or other messaging middleware.

• Familiarity with batch processing and job scheduling tools.

• Knowledge of SSL/TLS certificates and network connectivity troubleshooting.

• Experience with application monitoring and production recovery tools.

• This is a shift‑based production support role.