Role Overview We are seeking experienced DevOps / System Administrators to support enterprise infrastructure, application server environments, and CI/CD pipelines within a fast-paced, production-critical environment. The role focuses on Linux administration, JBoss management, infrastructure automation, and deployment orchestration using modern DevOps tooling. Key Responsibilities Infrastructure Management Perform advanced Linux system administration (RHEL/CentOS/Ubuntu or equivalent enterprise distributions) Install, configure, and maintain JBoss / WildFly application servers Perform JBoss tuning and performance optimisation Monitor server health, troubleshoot incidents, and ensure high availability of systems Manage patching, upgrades, and system security hardening Support production environments with incident and problem resolution Automation & Configuration Management Implement infrastructure automation using Chef Develop and maintain Chef cookbooks and recipes Ensure consistent con...