• 2002-present , Assistant Professor, Electrical & Electronic Eng . Dept . , Iran Univ of Sci . & Tech ., Tehran, Iran.
• 2004-present , Head of Electronic Group (Discipline ), Electrical & Electronic Eng . Dept . , Iran Univ of Sci . & Tech ., Tehran, Iran.
• 199 2 -1997 , 2003-present ,Director of Computer Centre, Electrical & Electronic Eng . Dept . , Iran Univ of Sci . & Tech ., Tehran, Iran .
• 1997-2002 , Demonstrator, Department of instrumentation & Analytical Science (DIAS), Univ. of Manchester Inst. of Sci. & Tech. (UMIST), Manchester, England.
• 1992-1993 ,Research Assistant, Electrical & Electronic Eng . Dep t. , Iran Univ of Sci . & Tech ., Tehran, Iran.
• 1995-1997 ,Supervisor of the Laboratories, Electrical & Electronic Eng . Dep t. , Iran Univ of Sci . & Tech ., Tehran, Iran.
• 1995 ,Appointed Member of the Organising Committee for the 3rd Iranian Conference on Electrical Engineering (ICEE-1995).
• 1993-2002 ,Instructor, Electrical & Electronic Eng . Dep t. , Iran Univ . of Sci . & Tech ., Tehran, Iran.