Installing, configuring, and maintaining Linux servers and networking infrastructure. This includes setting up firewalls, VPNs, routers, switches, and other network devices Troubleshooting network connectivity issues, resolving hardware and software problems, and optimizing system performance. Designing and implementing network security measures, including intrusion detection and prevention, data encryption, and access control. Planning and executing network upgrades and migrations, including hardware and software upgrades, system backups, and disaster recovery. Monitoring network performance and identifying areas for improvement. This includes analyzing network traffic, identifying bottlenecks, and implementing performance-tuning measures. Collaborating with other IT teams and departments to ensure smooth and efficient operations. This may involve providing technical support to end-users, training staff on new systems and technologies, and documenting procedures and best practices. Maintaining up-to-date knowledge of Linux and networking technologies and trends, and applying this knowledge to improve system performance and security.