In case the SharePoint user profile property for a specific user or set of users then you can use the below powershell script to update the user profile property directly from sharepoint.
$web=get-spweb -identity http://<weburl>
$user=$web.EnsureUser("<staffid with domain- user claims>")
$user | fl -- this will show the user id and pass that id to below script in GetitembyID method
$web=get-spweb -identity http://<weburl>
$list=$web.lists["user information list"]
$item=$list.GetItemById(6007)
$item["JobTitle"]="<Title to update>"
$item["Department"]="<New Dept>"
$item.Update()
$list.Update()
$web.Update()
