Job Description Job Description The Public Building Authority (PBA) is a joint public, non-profit organization created by Knox County and the City of Knoxville to develop, construct, manage, and maintain a wide range of public facilities and services on their behalf. PBA oversees major construction projects, provides long-term property and grounds management for millions of square feet of buildings—including city and county facilities, parks, and parking garages—and even handles security, telec…