You can set the number of job listings shown on the job deliveries or collections by going to Admin Dashboard,

  1. Click on Settings
  2. Select Job Settings
  3. Click on Options tab
  4. Scroll to Jobs per page
  5. Select from dropdown box for either 25, 50 or 100 jobs per listing
  6. Click Save
You can refer to our tutorial on "How to set number of job listing per page".