Make sure you are logged into your account. Find any SIGN IN button. Once you are logged in, and you see your picture on the top menu bar, follow these steps:
1. Click on your picture on the top menu bar.
2. The menu will open, click on Edit Profile.
3. Navigate to PRO subsection.
4. Promote Your Skills section will be displayed. Click on ADD EXPERIENCE.
5. Tell us more about your work history.
If you wish to add additional experience you can do so by clicking on ADD EXPERIENCE.