Hi Gouri,

IT officers monitor and maintain the computer systems and networks of an organisation like

• installation and configuration of computer hardware, OS and mantaining applications;
• monitor and check computer systems and networks
• troubleshooting system and network problems
• diagnose and resolve hardware/software issues

To become an IT officer, you can appear for IBPS SO.

For more detials:

https://competition.careers360.com/articles/ibps-so

The exam will be conducted in three phases: Preliminary, Mains and Interview Process.

Hope this helps!