An IT technician is responsible for managing and maintaining an organization's computer systems and networks. Their duties typically include:

• Troubleshooting hardware and software issues
• Installing, configuring, and upgrading computer systems
• Providing technical support to employees or clients
• Maintaining and securing networks
• Monitoring system performance and implementing improvements
• Documenting processes and solutions for future reference
• Ensuring data backup and recovery solutions are in place

Additional responsibilities may include managing user accounts, assisting in the implementation of new technologies, and ensuring compliance with security policies and procedures.