Saleh Arshad oglu Mammadov was born in 1958 in the Tartar District of the Azerbaijani SSR, which was then part of the Soviet Union.

[2] Mammadov began his career in 1980 as an engineer in the Technical Inventory Bureau of the Azerbaijani Ministry of Housing and Communal Services.

After serving in the Soviet Army from 1980 to 1982, he continued his career in 1982 as an engineer in the Central Technical Inventory Bureau of the same ministry.

[3] In February 2007, Yolnagliyyatservis was disestablished and Azeryolservis Open Joint Stock Company replaced the service's functions, where he worked as the head of the 1st Road Maintenance Department.

By the decree of the President of Azerbaijan, Ilham Aliyev, he was appointed Chairman of Azeryolservis Open Joint-Stock Company on 28 December 2015.