This is a simple google search from any Google.co.uk search box.

Using the keyword “jobs” in a phrase such as “Jobs Project Manager Devon” Which would list all project manager jobs listed publically, based in the Devon region.

To automate the search.
Select the blue arrow, with 100+ more jobs.

At the bottom of the next page there is a bluebell tab, which invites you to turn on New Job alerts for the job search made. (see the tips images for an example)

You can create as many searches from this page, turning on the alerts, from the article below the only major recruiting company that hasn’t allowed Google to scrap their announcements is Indeed.

-https://www.thebalancecareers.com/google-for-jobs-4140171

This tip assumes you have an active google email account.