全职 Application Development and Support Engineer – Java, Unix - Oracle PL-SQL 工作, 薪水, PERSOL APAC 公司招聘中 - Ricebowl

Application Development and Support Engineer – Java, Unix & Oracle PL/SQL

About the Role

We are looking for an experienced L3 Application Development and Support Engineer to provide production support for critical enterprise applications. The ideal candidate will have strong hands-on experience in Unix/Linux, Shell Scripting, Oracle PL/SQL, Java, and AutoSys, with the ability to troubleshoot complex application and production issues.

This role requires strong technical troubleshooting skills, ownership of production incidents, root cause analysis, batch monitoring, and close collaboration with development, infrastructure, database, and business teams.

Key Responsibilities

• Provide L2/L3 production and application support for business-critical applications.
• Monitor application health, production processes, interfaces, and scheduled batch jobs.
• Investigate and resolve production incidents, application failures, performance issues, and data-related problems.
• Perform troubleshooting using Unix/Linux commands, Shell scripts, SQL/PLSQL, application logs, and Java logs.
• Develop, maintain, and troubleshoot Unix/Shell scripts used for application operations and batch processing.
• Monitor, troubleshoot, and manage batch jobs and dependencies using AutoSys.
• Write and optimise Oracle SQL and PL/SQL queries, procedures, functions, and scripts for troubleshooting and production support.
• Troubleshoot Java-based applications, including application errors, exceptions, logs, interfaces, and integration issues.
• Perform root cause analysis (RCA) for recurring and high-impact production incidents and implement preventive measures.
• Support application deployments, releases, configuration changes, patches, and production validation.
• Coordinate with development, database, infrastructure, middleware, and business teams to resolve complex incidents.
• Handle incident, problem, and change management processes in line with ITIL practices.
• Maintain production support documentation, operational procedures, runbooks, and knowledge-base articles.
• Participate in on-call/after-hours production support when required.

Mandatory Skills

• Strong experience in L2/L3 Application / Production Support
• Unix / Linux
• Unix & Shell Scripting
• Oracle SQL & PL/SQL
• Java / J2EE application support
• AutoSys job scheduling and batch monitoring
• Strong SQL querying and database troubleshooting skills
• Application log analysis and production debugging
• Batch processing and job failure troubleshooting
• Incident Management, Problem Management & Root Cause Analysis
• Strong understanding of enterprise production environments

Preferred Skills

• Experience supporting applications in banking, financial services, payments, or other large enterprise environments
• ITIL processes and production support best practices
• Monitoring tools such as Splunk, AppDynamics, Dynatrace, Grafana, or similar
• Experience with REST APIs, web services, and application integrations
• Familiarity with Control-M or other enterprise schedulers
• Knowledge of middleware and messaging technologies
• Git and CI/CD exposure

Candidate Profile

• Strong analytical and troubleshooting skills with the ability to diagnose production issues quickly.
• Comfortable working across Java applications, Unix environments, Oracle databases, Shell scripts, and AutoSys jobs.
• Able to independently manage L2 incidents and perform deeper L3-level technical investigation.
• Strong ownership mindset for production stability and incident resolution.
• Good communication skills and ability to work effectively with technical teams and business stakeholders.
• Comfortable working in a fast-paced, business-critical production environment

EA License No. 01C4394 • EA Registration No. R1113321 (Jacob Tijo)