Whatever you do, don't be intrusive with any inquiries you may make via these Job Title Email List channels, this is not corporate espionage, just a job search, so remain professional at all times, maybe make comments in-reply to others' postings, re-tweet with comments maybe wait till you have a Job Title Email List good idea of whom you may want to contact or reply to first and exactly what you want to say and ask, all the while capturing names, job titles, email addresses, fax and phone numbers and desk-extension numbers, and user names from business groups, social Job Title Email List networks and forums you haunt.
Once you are fueled with names, departments and other details, call them. Get them on Job Title Email List the phone, if possible, or at least speak with associated colleagues, Administrative Assistants or personal Secretaries to decision-makers, to ask important questions; inquiries that can confirm the names and Job Title Email List titles of the persons that work and manage the areas of business where you seek employment; also, confirm status of any yet-to-be-posted job hypothetically, if such a job was open, or in the past when the manager was hiring - what would most Job Title Email List impress the hiring manager about a job candidate?
It's best to get that type of specific job information Job Title Email List directly from the hiring-authority whenever possible, but sometimes it is difficult to reach them be shy about directly contacting actual working employees, including non-managers, in those same departments. Be friendly, not demanding or expectant, explain how much respect you have for the company (by this point you should have already researched each employer-prospect Job Title Email List enough to state briefly, but meaningfully, about why you respect them). Tell them why you seek employment there. Those details often lead to obvious decision-makers and other employees within the companies you pursue and sometimes it leads to Job Title Email List companies unfamiliar to you, who later become employer-prospects, too.