Administrator - JBoss Application Server, Apache Tomcat
Technology, Data & Digital · IT Infrastructure & Security · Site Reliability Engineering · DevOps · Software Engineering
In short
HCLTech seeks an SRE L2 Engineer in Madurai, Tamil Nadu, to ensure the stability and performance of Java applications on WebSphere/JBoss and Oracle databases. The role involves L2 production support, advanced troubleshooting, and proactive reliability engineering, acting as a bridge between development, middleware, and database teams.
Responsibilities
- Manage end-to-end application operations for Java-based applications on WebSphere/JBoss.
- Ensure uptime, performance, and stability of production environments.
- Perform deployments, environment configuration, and release validation.
- Handle L2 incident troubleshooting for escalated production issues and own P1/P2 incident resolution within SLAs.
- Perform deep-dive RCA for recurring issues and implement preventive fixes.
- Administer and support IBM WebSphere Application Server (WAS) or JBoss (WildFly).
- Perform application deployments (EAR/WAR files), server configuration (JVM tuning, thread pools, datasource configs), cluster management, and log analysis.
- Work on Oracle database operations including query troubleshooting, performance tuning, and monitoring DB performance.
- Implement and operate monitoring/observability dashboards.
- Track application health KPIs and support SLO/SLI adherence.
- Develop scripts (Shell/Python/Ansible) to automate operational tasks.
- Collaborate with development, middleware, infrastructure, and DBA teams.
- Maintain runbooks, SOPs, and knowledge base articles.
Requirements
- Strong experience in Java / J2EE applications.
- Hands-on expertise in IBM WebSphere Application Server (WAS) OR JBoss (WildFly).
- Hands-on expertise in Oracle Database (SQL, performance tuning, troubleshooting).
- Good understanding of Linux/Unix environments.
- Good understanding of Application deployment and configuration.
- Experience in L2 Production Support / Application Operations.
- Strong knowledge of Incident, Problem, Change Management (ITIL).
- Strong knowledge of monitoring and observability tools such as Splunk.
- Strong knowledge of Performance and capacity management.
- Familiarity with SLO / SLA / Error Budget concepts.
- Familiarity with Reliability engineering practices.
- Strong analytical and troubleshooting mindset.
- Ability to handle high-pressure production incidents.
- Effective stakeholder communication.
- Collaborative and proactive approach.
- 3–6 years of experience in Java Application Support / SRE / Production Support.
- Bachelor’s degree in Computer Science / IT or related discipline.
Desired Qualifications
- Experience in enterprise-scale distributed environments preferred.
Benefits
- Supercharge your potential.
- Find your career.
- Find your spark.
- Work at a place that knows that helping its customers stay on top starts by putting its people first.
#SRE#L2#Production Support#Java#JBoss#WebSphere#Oracle Database#Linux#Unix#Application Deployment#Troubleshooting#ITIL#Splunk