The Job

Administrator - JBoss Application Server, Apache Tomcat

Technology, Data & Digital · Software & Web Development · Software Engineering · DevOps · Data Engineering

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In short

The SRE L2 Engineer will ensure the stability, availability, and performance of Java applications on WebSphere/JBoss and Oracle databases. This role focuses on 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 hosted 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.
  • Own resolution of P1/P2 incidents within defined 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).
  • Configure servers (JVM tuning, thread pools, datasource configs).
  • Manage clusters and load balancing.
  • Analyze logs and troubleshoot runtime issues.
  • Monitor and optimize application server performance and health.
  • Work on Oracle database operations including query troubleshooting and performance tuning.
  • Monitor DB performance (locks, waits, execution plans).
  • Implement and operate monitoring/observability dashboards (logs, metrics, traces).
  • Track application health KPIs (availability, latency, error rates, throughput).
  • Develop scripts (Shell/Python/Ansible) to automate operational tasks.
  • Automate deployments, health checks, and recovery procedures.
  • Collaborate with application 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

  • You'll supercharge your potential.
  • You'll find your career.
  • You'll find your spark.
  • A place that knows that helping its customers stay on top starts by putting its people first.
#SRE#L2#Production Support#Application Operations#JBoss#Apache Tomcat#WebSphere#Oracle Database#Linux#Unix#Troubleshooting#Performance Tuning#Deployment#Configuration#Monitoring#Reliability Engineering#ITIL#Splunk
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Company

HCLTech

Job Posted

1 month ago

Employment Type

Full Time

WorkMode

On Site

Experience Level

Mid-Senior

Locations

Madurai, India

Qualification

Bachelor

Applicants

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