If you are a mid-level, corporate associate at a top firm, headhunters are probably calling you about in-house opportunities. However, if you do not fall into this narrow demographic, you have probably noticed that headhunters are not that responsive to your phone calls. Perhaps you are relying principally on classified ads to identify openings. While it is a good idea to read the classifieds regularly and let multiple recruiters know that you are interested in hearing about corporate opportunities, networking is the most effective way to expand your in-house options. Over time, make a point of speaking with law-school classmates and former law-firm colleagues who have gone in-house. Invite clients past and present to lunch or coffee and interview them as I have suggested above. This will help you gain access to the inchoate job market (many jobs are never advertised).