Prior to joining the LA Phil, Kuszyk was a member of the Kansas City Symphony for five years (Associate Principal Oboe and Acting Principal Oboe) and taught oboe at the University of Missouri in Kansas City. She has made concerto appearances with the LA Phil, the National Symphony, the Kansas City Camerata, and the Kansas City Chamber Orchestra. In addition, she has performed as guest principal oboe with the Boston Symphony, the Atlanta Symphony, and the Saint Paul Chamber Orchestra. She has also performed with the Virginia Symphony, the Charleston Symphony, the Tanglewood Fellowship Orchestra, and the Summerfest Chamber Music series in Kansas City. She served as principal oboe of the Grand Teton Music Festival Orchestra for eight years. 

Kuszyk teaches at the USC Thornton School of Music. She served on the faculty at the Sarasota Music Festival in Florida and the National Orchestral Institute in Maryland. She has given master classes at the Eastman School of Music, the University of Michigan, the Colburn School, , UCLA, San Diego State University, California State University at Fullerton, the University of Missouri at Kansas City, California State University at Fresno, Arizona State University, and the Hochschule für Musik und Tanz Köln, Germany.