Job Description. Job Description. Southwest National Bank is a family owned, $560 million community bank with 8 Wichita, KS locations. We have been serving the Wichita community since 1915. We are the largest Wichita bank focused solely on serving Wichita. As a community bank, we are focused on supporting our customers by providing exceptional customer service with products and services meeting their financial needs. We are a viable and interacti...