Are you on LinkedIn? Maybe you're using Facebook. Well, if you're looking for an exclusive professional social networking website, then you may want to look at Doostang or Ivy Exec. Both of these sites offer free membership and they also have paid services as well.
Ivy Exec's pre-screening process allows professionals to be part of a smaller pool of candidates when applying for jobs. This helps professionals standout in a competitive job market.
Of course, you also shouldn't forget about TheLadders.com if you're looking for a new job. Visit TheLadders.com and Search Jobs That Pay Over $100,000. TheLadders.com also provides nice career advice articles and other career services.