With a workforce of over 33,000 people and opportunities in more than 1,400 different job titles and categories, the City of Chicago is the third largest city in the United States. Chicago has one of the world's largest and most diverse and balanced economies (with no single industry employing more than 14% of the workforce). As an employer, the City of Chicago operates through the guiding principles of effective government, competitive delivery of high-quality services, and open government to the public. Through these principles, we strive to efficiently deliver services that address head-on the unique challenges facing our city, and to make Chicago the preferred employer of choice for its residents.