You can customize and re-order the filters that appear on the left side of your Search page by clicking View All Filters.
In the Filter Customization pop-up, scroll down the list of filters on the right and check the box next to each one you want on your search page. You can also search for the name of a filter using the Search Filters field at the top right.
Click the X next to a filter on the left to hide it from your search page.
You can re-order the filters by dragging the items in the list. When you click Save, you'll see all the filters you selected on the SeekOut search page.