The Job

SME - JBoss Application Server, Apache Tomcat

Teknik, data och digitalt · IT-infrastruktur och säkerhet · DevOps · Mjukvaruutveckling · Site reliability engineering

Gå med för uppdateringar

I korthet

The SRE L3 Engineer is responsible for ensuring the stability, availability, performance, and reliability of Java-based enterprise applications on WebSphere, JBoss/WildFly, Linux, and Oracle databases. This role involves deep technical troubleshooting, root cause elimination, performance optimization, automation, and technical leadership as the highest level of operational escalation.

Ansvarsområden

  • Own and manage L3 support and technical operations for Java/J2EE applications hosted on WebSphere and JBoss/WildFly platforms.
  • Provide expert-level troubleshooting for application, middleware, database, and infrastructure-related issues impacting production services.
  • Ensure application availability, resilience, performance, and operational stability against agreed service objectives.
  • Act as the L3 technical escalation point for incidents escalated from L1 and L2 support teams.
  • Lead technical resolution of critical P1/P2 incidents and ensure rapid service restoration.
  • Perform deep technical diagnosis using application logs, thread dumps, heap dumps, JVM metrics, middleware logs, Oracle performance data, and infrastructure telemetry.
  • Lead detailed Root Cause Analysis (RCA) for recurring and business-critical incidents.
  • Identify and eliminate reliability risks through permanent fixes, automation, configuration improvements, and architecture recommendations.
  • Provide advanced administration and troubleshooting for IBM WebSphere Application Server (WAS) and JBoss/WildFly environments.
  • Perform and govern application deployments, JVM tuning, thread pool management, datasource configuration, cluster administration, load balancing optimization, and middleware performance tuning.
  • Analyze thread dumps, heap dumps, garbage collection logs, and server diagnostics to identify performance bottlenecks.
  • Perform advanced troubleshooting of Oracle database-related issues impacting application performance and availability.
  • Analyze SQL performance, locking issues, waits, execution plans, and database resource utilization.
  • Design, implement, and optimize monitoring, alerting, dashboards, and observability solutions.
  • Analyze logs, metrics, traces, JVM behavior, middleware health, and database performance indicators.
  • Drive adherence to SLI, SLO, SLA, and Error Budget objectives and continuously improve system reliability.
  • Develop and maintain automation solutions using Shell, Python, Ansible, Groovy, or equivalent technologies.
  • Automate deployments, health checks, diagnostics, recovery procedures, and operational workflows.
  • Mentor and coach L1/L2 engineers on technical troubleshooting, reliability practices, and operational excellence.
  • Review operational procedures, SOPs, runbooks, and knowledge articles.

Krav

  • 6–10 years of experience in Java Application Support, Middleware Operations, Application Operations, Production Support, or SRE roles.
  • Strong hands-on experience with Java/J2EE enterprise applications.
  • Advanced expertise in IBM WebSphere Application Server (WAS), JBoss/WildFly, Oracle Database, and Linux/Unix environments.
  • Strong knowledge of JVM internals and tuning, thread dumps and heap dump analysis, application deployment and configuration, middleware clustering and high availability, and performance troubleshooting.
  • Strong experience in Production Support, Application Operations, or Site Reliability Engineering (SRE).
  • Extensive experience with Incident Management, Problem Management, Change Management, Major Incident Handling, and RCA methodologies.
  • Expertise in monitoring and observability tools such as Splunk, AppDynamics, Dynatrace, Grafana, or similar.
  • Strong understanding of SLI/SLO/SLA concepts, Error Budgets, Capacity Management, and Reliability Engineering practices.
  • Strong analytical and problem-solving skills.
  • Ability to lead technical troubleshooting during major incidents.
  • Excellent written and verbal communication skills.
  • Strong stakeholder management and cross-functional collaboration capabilities.
  • Ability to mentor and guide junior engineers.

Önskade kvalifikationer

  • Experience supporting large-scale enterprise and distributed environments.
  • Experience as a senior support engineer, technical lead, middleware specialist, or SRE is preferred.
  • OpenShift, Kubernetes, Docker, or container platform experience.
  • CI/CD tools such as Jenkins, GitHub Actions, GitLab, or Azure DevOps.
  • Cloud platforms (Azure, AWS, GCP).
  • AppDynamics, Dynatrace, Splunk Observability, Prometheus, Grafana.
  • Infrastructure as Code and configuration management automation.
  • Experience in enterprise transformation, reliability engineering, and platform modernization initiatives.

Förmåner

  • 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#L3 Support#Production Support#Application Operations#Middleware Operations#Site Reliability Engineering#Java/J2EE#WebSphere#JBoss/WildFly#Oracle Database#Linux/Unix#JVM Tuning#Thread Dumps#Heap Dump Analysis#Performance Troubleshooting#Incident Management#Problem Management#Root Cause Analysis (RCA)#Automation#Python#Ansible#Monitoring#Observability#Splunk#AppDynamics#Dynatrace#Grafana#Kubernetes#Docker#CI/CD#Jenkins#Cloud Platforms#Azure#AWS#GCP
HCLTech Logo

Företag

HCLTech

Publicerade jobb

för 1 månad sedan

Anställningstyp

Heltid

Arbetsform

På plats

Erfarenhetsnivå

Senior

Platser

Bengaluru, India

Kvalifikation

Kandidatexamen

Sökande

Ansök tidigt