- Strong understanding of the Linux boot process OS-level troubleshooting for performance, availability, and stability issues Regular Linux server health checks and preventive maintenance

- Networking & OS-Level Troubleshooting : IP configuration, routing, and connectivity DNS resolution issues

- Firewall and port-related troubleshooting : Understanding of Linux networking concepts and tools Application Server Administration

- Experience supporting and troubleshooting one or more of the following : WebLogic JBoss Apache Tomcat WebSphere Or equivalent enterprise application servers Application deployment and runtime issue support

- Load Balancing & High Availability : Working knowledge of hardware and software load balancers

- Understanding of high-availability, failover, and traffic distribution concepts Backup, Monitoring & Logs

- Backup management and restoration procedures Log monitoring, analysis, and troubleshooting

- Experience with monitoring tools and alerting mechanisms

- Security & Compliance : Linux server hardening best practices Patch management and vulnerability remediation

- User and access control management : Security compliance standards and audit readiness

Key Responsibilities :

- Install, configure, and maintain Linux servers in production and non-production environments

- Perform OS patching, upgrades, and system tuning

- Monitor server performance and ensure high availability Troubleshoot OS, application, and network-related issues

- Support application servers and related middleware components Implement and manage backup and recovery procedures Ensure system security, hardening, and compliance

- Perform root cause analysis and provide permanent fixes Work closely with application, network, and security teams

- Provide L2/L3 support as per operational requirements

Preferred Skills : (Nice to Have)

- Experience in ITIL-based support environments

- Exposure to automation or scripting (Shell, Python basic)

- Knowledge of cloud platforms (AWS/Azure/GCP) is an advantage