1961 – 1963: Senior Laboratory Assistant, National University of Uzbekistan named after Mirzo Ulugbek.
1964 – 1964: Engineer, National University of Uzbekistan named after Mirzo Ulugbek.
1964 – 1964: Senior Laboratory Assistant, National University of Uzbekistan named after Mirzo Ulugbek.
1964 – 1964: Engineer, National University of Uzbekistan named after Mirzo Ulugbek.
1964 – 1967: PhD Student (Aspirant), National University of Uzbekistan named after Mirzo Ulugbek.
1967 – 1969: Researcher, National University of Uzbekistan named after Mirzo Ulugbek.
1969 – 1972: Head of Mathematical Programming Group, National University of Uzbekistan named after Mirzo Ulugbek.
1972 – 1973: Lecturer, Department of Computational Mathematics, National University of Uzbekistan named after Mirzo Ulugbek.
1973 – 1978: Associate Professor, Department of Computational Mathematics, National University of Uzbekistan named after Mirzo Ulugbek.
1978 – 1979: Acting Head of the Department of Computing Machines and Programming, National University of Uzbekistan named after Mirzo Ulugbek.
1979 – 1987: Head of the Department of Computing Machines and Programming, National University of Uzbekistan named after Mirzo Ulugbek.
1987 – 1988: Acting Dean of the Faculty of Applied Mathematics and Mechanics, National University of Uzbekistan named after Mirzo Ulugbek.
1988 – 2004: Head of the Department of Computing Machines and Programming, National University of Uzbekistan named after Mirzo Ulugbek.
2004 – 2010: Head of the Department of Applied Mathematics and Computer Analysis, National University of Uzbekistan named after Mirzo Ulugbek.
2010 – present: Professor, Department of Applied Mathematics and Computer Analysis, National University of Uzbekistan named after Mirzo Ulugbek.
2025 – present: Project Manager, National University of Uzbekistan named after Mirzo Ulugbek.
Professor
Doctor of Sciences, DSc 
Applied mathematics and computer analysis 