C, Unix Shell Scripting, DDR, Pcie, Verilog, Sata, Python, Usb, C++, Perl, Linux, Ethernet, Tcl, scan compression, CMOS fundamentals, DFT concepts, JTAG boundary scan, semiconductor device behavior, digital logic circuit analysis, VHDL, ATPG scan, memory BIST, logic diagnosis, electrical failure mechanisms, ATE debug