• Responding to and resolving end-user issues related to network connectivity, hardware, software, and other IT systems. This may involve troubleshooting problems, providing guidance, and escalating complex issues to higher-level support teams when necessary.• Implementing and maintaining network security measures to protect against unauthorized access, data breaches, and other security threats. This includes configuring firewalls, monitoring network traffic for suspicious activities, and applying security patches and updates.• Managing user accounts, permissions, and access rights for network resources. This involves creating and managing user profiles, ensuring proper access controls are in place, and implementing security protocols to safeguard sensitive information.