I dont believe the page title functionality of Infinite SEO works correctly with buddypress page titles. All of the group pages do not display the group name in the title
I would expect group front pages to look like this (http://graduatejob.com/sectors/advertising/)
Group Name | Buddypress Page Title | Site Title
But they appear like this, missing the buddypress group name part - (http://gradjob.staging.wpengine.com/sectors/advertising/)
Buddypress Page Title | Site Title
I do not have buddypress on a page called groups, it's set to a page called sectors. This could potentially be causing the issue.