• Designing, implementing, and maintaining secure network infrastructure. • Providing technical support and resolving network-related issues. • Installing, managing, and troubleshooting routers, switches and other network devices. • Monitoring firewalls, VPNs, and other security devices to ensure data protection. • Implementing security policies, access controls, and compliance measures. • Responding to and investigating network and security incidents. • Coordinating teams to ensure high availability, integrity, and confidentiality of information systems.