Just like with Public Profile search, SeekOut supports a wide range of field-specific search capabilities in GitHub candidate search.
If you want to find words in a specific part of the candidate's profile, use the structure fieldname:searchterm.
finds anyone with architect somewhere in their title.
Boolean operators can be used with these field searches.
Example: grad_year:2012 AND cur_title:("business analyst" OR engineer) finds anyone who graduated college in 2012 and has a current title containing "business analyst" or "engineer.
You can also use wildcard operators in field searches.
finds anyone whose current title includes a word starting with "arch" (e.g., architect, archer, etc.)
Here's this list of fields available for field search: