J2EE SME – L3 Production Support Engineer

Job Information

Date Opened

10/08/2025

Job Type

Permanent

RSD NO

12029

Industry

IT Services

Min Experience

8

Max Experience

12

City

Chennai

State/Province

Tamil Nadu

Country

India

Zip/Postal Code

600018

Job Title: Java/J2EE SME – L3 Production Support Engineer Job Summary: We are looking for an experienced Java/J2EE Technical SME to join our Level 3 (L3) Production Support team. The ideal candidate will possess deep technical expertise in Java/J2EE, JMS, JBoss EAP, Red Hat Linux, and middleware troubleshooting. This role is focused on supporting financial-critical applications, resolving complex production issues, performing root cause analysis (RCA), automating support tasks, and ensuring system stability. Key Responsibilities: • Provide L3 production support for enterprise Java applications on JBoss EAP. • Troubleshoot application and middleware issues: thread dumps, heap dumps, GC logs. • Troubleshoot and resolve issues related to JMS messaging systems (e.g., queue backlogs, message delivery failures, dead-letter queues). • Monitor and maintain JMS queues and topics in environment • Perform root cause analysis (RCA) and develop permanent solutions for recurring production issues Lead incident and problem management efforts including major incident bridges. • Collaborate with developers on code-level debugging, hotfixes, and JMS consumer/producer logic. • Support release management, patching, and middleware upgrades. • Manage and tune JBoss and JVM performance, clustering, and configurations. • Create and maintain automation scripts using Shell (Bash/Korn) for monitoring and support tasks. • Maintain and monitor batch jobs, application logs, and system alerts. • Manage configurations across environments and support access/user management. • Participate in on-call rotation and support 24x7 critical systems. • Document resolutions and contribute to knowledge management. Required Technical Skills: • 8+ years in Java/J2EE application support and development • Solid expertise in JMS (Java Messaging Service) o Message Queues and Topics o Durable and non-durable subscriptions o Message selectors o Asynchronous messaging patterns • Strong in Apache ActiveMQ installation, configuration, deployment and administration • Strong in JBoss EAP (6.x/7.x) installation, configuration, tuning, deployment and administration • Strong in Shell scripting for automation, log parsing, and alerting • Strong in Java/J2EE, REST/SOAP, JDBC, SQL • Familiarity with Red Hat Enterprise Linux (RHEL) system • Solid experience in troubleshooting memory leaks, CPU spikes, connection issues • Familiar with monitoring tools: Splunk, AppDynamics, ELK, Dynatrace • Working knowledge of CI/CD pipelines: Git, Jenkins, Nexus • Familiarity with ITIL processes (Incident, Problem, Change Management) Preferred Skills • Exposure to cloud platforms (AWS, Azure). • Knowledge of Docker/Kubernetes. Soft Skills: • Excellent analytical and problem-solving skills • Ability to work under pressure and lead critical incident resolution • Strong communication skills with a collaborative, proactive mindset • Capable of working cross-functionally with developers, ops, and business teams Shift & Availability: • 2PM -11PM shift with participation in 24x7 on-call rotation • Flexibility to handle after-hours and weekend support during critical incidents