The Department was established as a Department of Machinery in 1953.

The founder and a long standing Head of Department (1953-1975) was Prof. Eng. Boris Popov. After him the leadership position was taken consecutively by Prof. D.Sc. Eng. Kancho Popov (1975-1990), Prof. D.Sc. Eng. Dimitar Panchovski (1990-1992), Prof. Ph.D. Eng. Mariana Popova (1992-2000) and Prof. Ph.D. Eng. Alexander Alexandrov (2000-2016).

From June 2016 till present time the Head of Department is Assoc. Prof. Ph.D. Eng. Dimitar Dontchev.

In 1953 are appointed the first full-time lecturers at the Department – Assoc. Prof. Boris Popov and Ass. Prof. Dimitar Panchovski and Ass. Prof. Georgi Mriankov.

In the next six years (from 1954 to 1960), the following colleagues joined to the Department as lecturers: Assoc. Prof. Ph.D.  Eng. Stoyan Zlatev, Prof. Ph.D. Eng. Zarko Popov (as part-time assistant professor), Assoc. Prof. Eng. Jelyazko Mazdrakov, Prof. Ph.D. Eng. Mariana Popova and Prof. D.Sc. Eng. Kancho Popov. 

During 1962-72 as full-time assistant professors are employed: Assoc.Prof. Ph.D. Eng. Slavka Stefanova, Assoc.Prof. Ph.D. Eng. Zdravka Nacheva, Assoc.Prof. Ph.D. Eng. Ema Bogdanova, Ass.Prof. Ph.D. Eng. Cvetanka Ivancheva, Ass.Prof. Eng. Petko Lazarov, Assoc.Prof. Ph.D. Eng. Velizar Ignatov, Assoc.Prof. Ph.D. Atanas Bogdev, Ass.Prof. Eng. Ivan Ingilizov, As a secretary of department worked Lidiya Grancharova and as a technical assistant - Alexander Jorgov.

In 1988 the Department is renamed into Department of Applied Mechanics.

Subsequently, from 1975 to 2012 start their work at the Department and colleagues: Prof. Ph.D. Eng. Alexander Alexandrov, Ass. Prof. Eng. Radoi Popov, Prof. D.Sc. Eng. Kliment Hadjov, Assoc.Prof. Ph.D. Eng. Angel Velchev, Ass. Prof. Eng. Daniela Mileva, Ass. Prof. Eng. Lyudmila Kamburova, Assoc. Prof. Ph.D. Eng. Vesselin Iliev, Prof. D.Sc. Eng. Simeon Panev, Assoc. Prof. Ph.D. Eng. Dimitar Karaivanov, Ass. Prof. Ph.D. Eng. Ilian Lessev, Assoc. Prof. Ph.D. Eng. Dimitar  Donchev, Assoc. Prof. Ph.D. Eng. Nikolai Velkov, Assoc. Prof. Ph.D. Eng. Valentin Slavov, Assoc. Prof. Ph.D. Eng. Georgi Pandev, Assoc. Prof. Ph.D. Eng. Juliana Javorova, Ass. Prof. Eng. Ph.D. Milena Milenova, Ass. Prof. Eng. Anelia Mazdrakova. Members of the technical staff during the last 16 years are Eng. Rumiana Mutisheva and Jordan Pitkov.

Currently the teaching staff of the Department consists of three Professors, seven Associate Professors and three Assistant Professors (two D.Sc. and ten Ph.D.).

In 2006 Prof. D.Sc. Eng. Kliment Hadjov from our Department was honored with a title Doctor Honoris Causa of the University of ReimsFrance.