Sivaji started his acting career with small roles in films like Kushi and Indra. He got his first break as a lead actor in the film Missamma (2003), which was a commercial success. He went on to star in several successful films, including Ammayi Bagundi (2003), Ottesi Chebuthunna (2003), and Evandoi Srivaru (2004).
In 2014, Sivaji entered politics by joining the Bharatiya Janata Party (BJP). He left the party in 2015, but he remains active in politics.
In 2023, Sivaji participated in the popular Telugu reality show Bigg Boss 7. He was one of the most popular contestants on the show