Madurai · Mid Level
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Job Summary
SRE L2 Engineer (Application Operations – Java / WebSphere / JBoss / Oracle)
The SRE L2 Engineer is responsible for ensuring the stability, availability, and performance of Java-based enterprise applications running on WebSphere/JBoss and Oracle databases.
The role focuses on L2 production support, advanced troubleshooting, and proactive reliability engineering, ensuring adherence to SLOs, operational KPIs, and user experience standards.
The engineer acts as a key operational bridge between application development, middleware, and database teams, driving reliability and operational excellence.
Application Operations & Support
• Manage end-to-end application operations for Java-based applications hosted on WebSphere/JBoss
• Ensure uptime, performance, and stability of production environments
• Perform deployments, environment configuration, and release validation
• Maintain seamless application runtime and infrastructure alignment ➡ Application Operations ensures cohesive runtime environments and uninterrupted service delivery
Incident & Problem Management
• Handle L2 incident troubleshooting for escalated production issues
• Own resolution of P1/P2 incidents within defined SLAs
• Perform deep-dive RCA for recurring issues and implement preventive fixes
• Support on-call rotation and critical incident management
Middleware Operations (WebSphere / JBoss)
• Administer and support: IBM WebSphere Application Server (WAS) or JBoss (WildFly)
• Perform: Application deployments (EAR/WAR files)
Server configuration (JVM tuning, thread pools, data source configs)
Cluster management and load balancing
Log analysis and troubleshooting runtime issues
• Monitor and optimise application server performance and health ➡ Java stack in the SRE TOM includes Linux, JBoss/WebSphere, and Oracle-based environments
Database Operations (Oracle)
• Work on Oracle database operations:
Query troubleshooting and performance tuning
Monitoring DB performance (locks, waits, execution plans)
Supporting deployments involving DB changes
• Collaborate with DBA teams for complex performance or availability issues
Monitoring & Reliability Engineering
• Implement and operate monitoring/observability dashboards (logs, metrics, traces)
• Track application health KPIs (availability, latency, error rates, throughput)
• Support SLO/SLI adherence and reliability reporting
• Contribute to proactive incident elimination and improved MTTR ➡ SRE relies on observability, SLIs/SLOs, and performance metrics for reliability engineering
Automation & Continuous Improvement
• Develop scripts (Shell/Python/Ansible) to reduce manual operational effort (toil)
• Automate deployments, health checks, and recovery procedures\\\\r\\\\n• Identify improvement opportunities and support continuous reliability enhancement
Collaboration & Documentation
• Collaborate with:
Application development teams
Middleware and infrastructure teams
Database administrators
• Maintain:
Runbooks, SOPs, and knowledge base articles
• Support architecture discussions for performance and reliability improvements
Core Technical Skills
• Strong experience in Java / J2EE applications
• Hands-on expertise in:
IBM WebSphere Application Server (WAS) OR JBoss (WildFly)
Oracle Database (SQL, performance tuning, troubleshooting)
• Good understanding of:
Linux/Unix environments
Application deployment and configuration
SRE / Operations Skills
• Experience in L2 Production Support / Application Operations
• Strong knowledge of:
Incident, Problem, Change Management (ITIL)
Monitoring and observability tools such as Splunk
Performance and capacity management
• Familiarity with:
SLO / SLA / Error Budget concepts
Reliability engineering practices
Soft Skills
• Strong analytical and troubleshooting mindset
• Ability to handle high-pressure production incidents
• Effective stakeholder communication
• Collaborative and proactive approach
Experience & Qualifications
• 3–6 years of experience in Java Application Support / SRE / Production Support
• Bachelor’s degree in Computer Science / IT or related discipline
• Experience in enterprise-scale distributed environments preferred
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