JBoss - Production Support/L2

The L2 specialist will be responsible for diagnosing complex Java and JBoss runtime issues, identifying root causes, implementing controlled code fixes, supporting production stability, and providing technical escalation support to the L1.5 operations team.
## Key Responsibilities
- Diagnose and resolve complex production incidents involving Java applications and JBoss runtime environments.
- Troubleshoot EJB 3.x, JTA transactions, JMS messaging, EJB timers, and application-level failures.
- Analyze server logs, stack traces, transaction logs, thread dumps, and application configurations.
- Investigate stuck, failed, delayed, or duplicate message processing and transaction-related issues.
- Identify root causes of application failures and implement permanent corrective solutions.
- Develop, test, and deploy controlled Java code changes with appropriate validation and rollback plans.
- Troubleshoot JPA/Hibernate persistence issues and Envers auditing-related problems.
- Perform advanced Oracle SQL investigations on message, transaction, and status tables.
- Execute approved database corrections under established change-control procedures.
- Troubleshoot IBM MQ bridge issues involving queues, channels, polling, and duplicate message handling.
- Support JBoss application deployments, datasource configuration, runtime troubleshooting, and safe restart activities.
- Provide technical guidance and advanced troubleshooting support to L1.5 engineers.
- Prepare comprehensive Root Cause Analysis (RCA) reports for P1 and P2 incidents.
- Analyze recurring incidents and recommend permanent corrective and preventive actions.
- Participate in production support activities and the on-call rotation.
- Maintain technical documentation, troubleshooting procedures, and operational runbooks.
- Utilize approved AI assistants for code analysis, troubleshooting, and documentation, ensuring all outputs are reviewed and validated.
## Required Skills & Qualifications
- 6+ years of professional Java development and production support experience.
- Minimum 3+ years of hands-on experience with JBoss EAP 7.x or WildFly.
- Strong Java 8 development experience in enterprise production environments.
- Hands-on experience with EJB 3.x.
- Strong understanding of JTA transaction management.
- Experience with JMS messaging and asynchronous processing.
- Hands-on experience with JPA/Hibernate and Envers auditing.
- Strong Oracle SQL skills, including production troubleshooting and data investigation.
- Experience with Linux/RHEL command-line operations.
- Strong troubleshooting skills involving application server logs, stack traces, transaction failures, and runtime issues.
- Experience with JBoss administration, application deployments, datasources, timers, and configuration troubleshooting.
- Hands-on IBM MQ experience, including queues, channels, polling, and duplicate message handling.
- Experience with production incident management, RCA, and change-control procedures.
- Familiarity with ServiceNow or similar ITSM platforms.
- Ability to work in production support environments and participate in on-call rotations.

Skills
Java, Linux, SQL, Auditing, Documentation

Experience
6+ yrs

Work arrangement
Yes