You can find books containing thousands of sample resumes in any local bookstore. Build a list of references. Your first time into the job market, references are important. Include at least one instructor from your liberal arts courses and one instructor from computer-related courses. Be sure to include references from former employers who assigned you writing or editorial tasks.
Most technical writers use standard and widely available software products in their jobs.
But even in such special situations, expertise with standard productivity applications can boost your employability. So get as much practice on the PC as you can. The vast majority of technical documentation is created on these two word processing programs. Many companies even use them as their desktop publishing and prepress software. Get to know the page-layout features of your word processor, and special tools such as table of contents, indexing, bookmarking, master document, and graphics capabilities.