If you're looking for a good quality assurance technician, I think the best thing to do is ask around in your industry. If you work in the pharmaceutical industry like in the article, ask your colleagues. Most people that have been in any kind of business for a few years know people that work for other companies.
Ask your contacts if they can recommend a specific quality assurance technician or a company from which to hire. In my opinion, you can learn a lot more about a possible candidate through word of mouth than just looking at a bunch of resumes.