By default, the Sign In link on the Post a Job page takes users to the default WordPress sign-in URL, allowing them to sign in to your site before posting a job.
However, you may want to change this to be a custom URL, like your site’s My Account page, for example.
To do so, add the following code to the ‘custom functions’ area of your functions.php file (or use a plugin like Code Snippets):
Notice on line 3 where the URL is http://mysite.com/my-account/ – you can change this to whatever you’d like or use some custom PHP.
There is also a filter for the ‘log-out’ URL –