Administrator - JBoss Application Server, Apache Tomcat
Technology, Data & Digital · IT Infrastructure & Security · DevOps · Software Engineering · Site Reliability Engineering
In short
The SRE L2 Engineer ensures the stability, availability, and performance of Java-based enterprise applications on WebSphere/JBoss and Oracle databases. Responsibilities include L2 production support, advanced troubleshooting, incident management, and proactive reliability engineering to maintain SLOs and operational KPIs. The role bridges application development, middleware, and database teams, focusing on operational excellence and continuous improvement through automation and documentation.
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 and own resolution of P1/P2 incidents within SLAs.
- Administer and support IBM WebSphere Application Server (WAS) or JBoss (WildFly), including deployments, server configuration, cluster management, and log analysis.
- Work on Oracle database operations including query troubleshooting, performance tuning, and monitoring.
- Implement and operate monitoring/observability dashboards and track application health KPIs.
- Develop scripts (Shell/Python/Ansible) to automate operational tasks and identify improvement opportunities.
- 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
- Supercharge your potential.
- Find your career.
- 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#Middleware#Database