Person calling from this number is contacting our business and pretending to be returning calls causing us to be concerned of social engineering and or identity theft.  Turns out to be a head hunter who can't just ask to speak with the candidate he's looking for.

Yes, this guys is famous for networking through the organization to make contacts.  He is selling engineering consulting services mostly.  He is very persistent and a pain.

Executive Recruiter

Yes, they are a pain in the as*. They keep calling us and ask for our programmers contact information.