Answered by Steve, Hiring Expert at Caterpillar Inc., on Friday, August 28, 2015
It depends on your personal financial situation, but in general, it is not a good idea to resign from a position without something else lined up. If the concern is finding time to go to interviews, etc., most companies are pretty flexible about working around the schedules of their candidates. It is not uncommon to have interviews over the lunch hour or either early and late in the day. More importantly, in this job search process, you will likely be asked why you left employer XYZ. Advising that you left to concentrate on your job search would most likely not be viewed in a positive light by a potential employer.