He could remain at his post and simply wait for them to return.
He was a soldier and must remain at his post.
The members of the great Assembly remain at their post.
Once that happens, you will remain at your post for the rest of the shift.
The poor girl will have to remain at her post until morning.
He remained at his post for two days before setting out to find survivors.
The men remained at their posts until the ship's power was almost completely out.
A few people snapped to attention; most remained at their posts.
He could remain at his post for days when occasion demanded it.
The agreement be carried out and the Chancellor remain at his post.