Schwarzrock has exhibited extensively throughout Australia and abroad. Her work is widely collected, and her piece, breathe, won the sculpture prize in the Waterhouse Natural Science Art Prize in 2014.

She worked at the Canberra Glassworks in 2017 as the Creative Fellow, also supported by an Australia Council New Work Grant, to produce a neon installation for the 2018 Canberra Enlighten Festival. Harriet was awarded the 2018 Asia Link Toyama residency in Japan. In 2019 she thrilled to be the Proctor Fellow through the Glass Workshop travelling to the USA to study neon and plasma.