Install, configure, and maintain Linux server operating systems and associated software applications. Perform system monitoring, troubleshooting, and issue resolution to ensure high availability and optimal performance of servers. Manage user accounts, permissions, and access controls on Linux environments. Implement and maintain system security measures including firewalls, intrusion detection systems, and access controls. Perform regular system backups and support disaster recovery planning and execution. Monitor system performance and optimize server configurations through tuning and capacity planning. Collaborate with IT teams to design, implement, and upgrade server infrastructure. Respond to user requests and incidents related to Linux server operations. Maintain documentation for server configurations, procedures, and troubleshooting guides. Stay updated with Linux technologies, security vulnerabilities, and best practices.