Most applicants for the Senior Executive Service hastily slap together application essays that are long, disjointed lists describing general achievements. The problem? Their essays are about as interesting, impressive and memorable as a stranger’s mile-long “to-do” list. My advice, based on my experience serving on many federal hiring panels and coaching hundreds of feds: Structure your essays around blockbuster success stories — descriptions of how you accomplished concrete, specific, important, big-picture goals or solved show-stopping, vexing problems that parallel the responsibilities of your target job. Your success stories will be compelling because,  unlike achievement lists,  they will be conceptually united…