[Hiring] Middleware System Administrator / DevOps Engineer @TMS LLC

Role Description

The client is looking for a Middleware Engineer with strong JBoss EAP experience who can also work with Azure DevOps for CI/CD pipeline development and management.

We are seeking an experienced Middleware System Administrator / DevOps Engineer to manage, administer, monitor, and support enterprise middleware platforms built on JBoss EAP and integrated with Azure DevOps for source control, CI/CD, and release automation.

• Strong expertise in JBoss administration, deployment automation, performance tuning, troubleshooting, clustering, patching, and operational support.
• Hands-on experience designing and supporting Azure DevOps pipelines and release processes.
• Close collaboration with infrastructure, application, security, networking, and DevOps teams to ensure high availability, scalability, operational stability, and continuous improvement of middleware and deployment platforms.

Qualifications

• Strong expertise in JBoss EAP 7/8.x
• Experience with JBoss standalone and domain mode administration
• Experience with JBoss clustering and failover
• Azure DevOps CI/CD setup and administration
• Azure Repos, branching strategies, pull requests, and branch policies
• Azure Pipelines for build, test, deployment, and release automation
• Azure Artifacts and artifact version management
• Environment approvals, gates, and release controls
• mod_jk and mod_cluster configurations
• Application deployment using GUI and CLI
• Datasource, JVM, and server configuration management

Requirements

• 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.
• Ensure reliable routing, session handling, resiliency, and failover across web and application tiers.
• Manage deployment workflows in Azure DevOps, including branching strategies, pull requests, code reviews, release tagging, approvals, and access control.
• Configure and support Azure 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, log analysis, health checks, and 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.
• Perform day-to-day middleware administration and operational support activities.
• Troubleshoot issues related to authentication, authorization, login failures, web content delivery, web server behavior, and JBoss runtime/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.
• 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.
• Perform performance tuning of JVM heap and GC settings, thread pools, datasource connection pools, caching configurations, and web server configurations.
• Analyze thread dumps, heap dumps, and server logs to identify and resolve performance bottlenecks.
• Conduct root cause analysis 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.
• 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, and scheduled operational tasks.
• 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.
• 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.

Company Description