Senior JBoss Middleware/DevOps

Role: Middleware System Administrator/DevOps Engineer

Mode: Remote

Duration: Full Time

Visas: // / EAD/ TN

Job Description:

Required Skills: Middleware & Web Servers

Strong expertise in: JBoss EAP 78.x Apache SOLR

Experience with JBoss standalone and domain mode administration JBoss clustering and failover mod_jk and mod cluster configurations Application deployment using GUI & CLI  Datasource, MQ, JVM, and server configuration management

Responsibilities:

• We are seeking an experienced COTS Tools System/Administrator to manage, administer, monitor, and support enterprise middleware platforms built on JBoss EAP .
• The ideal candidate will possess strong expertise in JBoss administration, deployment automation, CI/CD integration, performance tuning, troubleshooting, clustering, patching, and operational support across enterprise environments.
• The role requires collaboration with infrastructure, application, security, and DevOps teams to ensure high availability, scalability, operational stability, and continuous improvement of middleware platforms.
• Expected Deliverable(s) Platform Installation & Configuration
• Provision, install, configure, monitor, and administer JBoss EAP environments across development, QA, staging, and production.
• Configure and support JBoss clustering and failover for high availability in both standalone and domain modes.
• Configure, administer, and troubleshoot integrations with other application components and enterprise systems.
• Ensure reliable routing, session handling, resiliency, and failover across web and application tiers.
• Configure and manage Atlassian ALM and CI/CD integrations with JBoss for automated application deployment.
• Configure and troubleshoot mod_jk and mod_cluster integrations with JBoss Web Servers. 

Deployment & Release Operations

• Manage deployment workflows in Atlassian Bitbucket, including branching strategies, pull requests, code reviews, release tagging, and access control.
• Configure and support Atlassian Bamboo CI/CD pipelines, including automated builds, deployments, artifact management, test execution, and environment promotions.
• Package and deploy enterprise applications (WAR/EAR) to JBoss EAP using GUI and CLI tools.
• Execute deployments in standalone and domain mode configurations, including rolling deployments to server groups for high availability.
• Perform post-deployment validation activities including:  Smoke testing o Log analysis
• Health checks

Performance and availability verification

• Develop and maintain rollback procedures, deployment runbooks, operational checklists, and release documentation.
• Participate in change management, deployment reviews, and post-release stabilization activities. 
• Operations, Monitoring & Incident Management
• Perform day-to-day middleware administration and operational support activities.
• Troubleshoot issues related to: o Authentication and authorization
• Login failures
• Web content delivery
•  Web server behavior
• JBoss runtime and application issues
• Implement proactive monitoring, alerting, and health check mechanisms to minimize production incidents.
• Analyze operational trends and system performance metrics to improve platform reliability.
• Generate operational reports and maintain technical and monitoring documentation.
• Monitor production applications and recommend incident prevention and resolution improvements. Patch, Upgrade & Configuration Management
• Plan, coordinate, and execute JBoss EAP upgrades, fix packs, and patching activities.
• Perform regular OS and middleware patching using automation tools and approved maintenance windows.
• Maintain environment baselines, standards, and configuration documentation.
• Create upgrade and patch implementation plans and coordinate execution across multiple teams.Performance Engineering & Troubleshooting
• Perform performance tuning of:
• JVM heap settings
• Thread pools
• Datasource connection pools
• Caching configurations
• Web server configurations
• Analyze thread dumps, heap dumps, and server logs to identify and resolve performance bottlenecks.
• Conduct root cause analysis (RCA) and implement corrective and preventive actions.
• Collaborate with development teams to troubleshoot and resolve application performance and stability issues.
• Coordinate with vendors and raise support tickets for product-related issues when necessary. Automation & Scripting
• Automate repetitive middleware administration and maintenance tasks to improve operational efficiency and reliability.
• Develop and maintain Shell/Bash scripts for: Health checks, Log maintenance , Housekeeping ,Deployments , Validation activities ,Scheduled operational tasks Capacity Planning & Reliability
• Monitor system utilization and perform capacity planning for growth and performance stability.
• Identify infrastructure bottlenecks and recommend scaling and tuning improvements.
• Support resiliency and availability initiatives for enterprise middleware environments.  Collaboration & Documentation
• Collaborate closely with infrastructure, security, networking, and application support teams to resolve operational issues.
• Maintain detailed technical documentation, operational procedures, and knowledge base articles.
• Provide technical guidance and training to support teams where required.
• Demonstrate ownership, initiative, and the ability to manage competing priorities and operational deadlines.