Everyone experiences periods of frustration and dissatisfaction at work, but how do you know it's something that's negatively impacting your life, and that you are ready to jump ship?
People think they need to go directly from one job to the next, but in my experience we all need a little decompression. Have a staycation, go to the movies in the afternoon, sleep in, and get over the fact that you left or lost your job. Grieve a little. It's natural.