1. Lecturer in the college of education (Baghdad university-Iraq) during 1999-2005; for the following courses: Calculus, Numerical Analysis, Statistics & Operational Researches, Discrete mathematics, Applied Mathematics. 2. Lecturer in the college of science (Saddam university-Iraq) during 1999-2005; for the following courses: Calculus, Information Theory, Analytic Geometry, Differential Equations, Fourier Series, Biostatistics; Integral Equations( for the M. Sc. students). 3. Assist. Prof. in the college of education (Hadhramout university-Yemen) during 2005; for the following courses: Real Analysis, Applied Mathematics, Abstract algebra, Complex Analysis. 4. Assist. Prof. in the college of science (Ibb university-Yemen) during 2005-2009; for the following courses:
Calculus, Foundations of Mathematics, Advanced Calculus, Numerical Analysis, Statistics, Discrete Mathematics, Real Analysis, Linear Algebra, Abstract Algebra, Probability, Linear Programming, Differential Equations .
5. Lecturer in the Sulaimani technical college (Sulaimani-Iraq)from 2009; for the following courses: Engineering Analysis, Information Theory, Advanced Mathematics, Computer Applications I, Computer Applications III, Computer Applications II; Information Theory and Coding (for the M. Sc. Students in Sulaimani University-College of Eng.-Dep. of Electricity Eng.), Numerical Methods, &Advanced Eng. Mathematics (for the M. Sc. Students in Sulaimani Polytechnic University-Eng. Technical College-Dep. of Communication Eng.); Matlab Programming (for the M. Sc. Students in City Planning Dep.); Computer and IT Principles(for the M. Sc. Students in The Technical College of Health).