Project Management ,Fault Management,UNOC,NMS,BG20 and uSDM (both STM-1 level),BG40 (STM-4 level), XDM100(STM-16 level), and XDM1000(both STM-64 level) all from ECI family; on NMS as well as working on TJ100CP, TJ100ME, TJ1100, TJ1500, and TJ1600all from Tejas family