|Image by Nanaki|
- Grace Hopper Resume Database
- Rice University NSF ADVANCE Program's National Database of Underrepresented PhD Students and Postdocs
The GHC one is more for CS/EE/IT type folks, but the Rice one is much broader - in addition to engineering, it also includes the natural sciences and psychology.
Can't hurt, could help. In this job market I think there's no harm in trying.