Here is a generic set of URLs for various and sundry "head hunters" out there in "InternetLand." I have not necessarily dealt with these people, so I give no recommendations...
Systems Integration Specialists Headhunter - Docs - UNIX/TX
Computer Jobs and Technical Employment for Computer Professionals
Google Web Directory - Business > Financial Services > Employment > Staffing Services
Clinch Technology List of Canadian Online Job Search Websites
Yet another US-centric Job board...
A recruiter in the Netherlands active throughout Europe...
New York Job Lynx - probably of interest in inverse proportion to your distance from New York...
They seem to have some integration into Google search.
Which captures job application forms for a whole lot of sorts of employers, including Fast Food, Retail, Restaurant, Airline, Grocery, Pharmacy, Hospitality