[5][6] Orlić received the fifty-ninth position on the Progressive Party's electoral list for the City Assembly of Belgrade in the 2012 local elections.

[9] He was promoted to the thirtieth position in the 2018 city election and was re-elected when the Progressives and their allies won a second majority victory with sixty-four seats.

[15] Orlić was promoted to the forty-fourth position on the SNS list for the 2016 parliamentary election and was re-elected when the party and its allies won a second consecutive majority with 131 seats.

[16] He was deputy leader of the SNS parliamentary group in the 2016–20 term, served on the spatial planning and education committees, chaired the European Union–Serbia stabilization and association committee, was a member of Serbia's delegation to the Parliamentary Assembly of the Organization for Security and Co-operation in Europe (OSCE PA), led Serbia's parliamentary friendship groups with Argentina, North Korea, and South Africa, and was a member of the friendship groups with China, Egypt, Ghana, Indonesia, Israel, Russia, the countries of Sub-Saharan Africa, and the United States of America.

[18] There were rumours that he would become president of the assembly after the election, but Ivica Dačić was chosen for the role and Orlić became one of its vice-presidents.

During the debate on his candidacy, Party of Freedom and Justice (SSP) assembly leader Marinika Tepić described him as "a symbol of the erosion of parliamentarism" in the country under the SNS.

Stojan Radenović, as the oldest member of the assembly, became acting president, and Ana Brnabić was later chosen for the role on a full-time basis.

[28][29] In a March 2024 interview about the composition of Serbia's next government, SNS president Miloš Vučević said, "I think Orlić is definitely part of the future cabinet, we'll see in what position.

An article in NIN described his appointment as consistent with a broader pattern of SNS party control over state security mechanisms.