KLA

Good architecture, deep technology especially for column/gun/calibration/sensors/motion control related.

Obsolete software language, old operation system, slow turn around, and you need to know more of the system to get the software work right.

This is political hierarchical hole. If you are just get in, do not expect to get anywhere. People valued more years of service and people age than the contribution and performance. Down the road during the promotion and performance review, I was told "I have to prompt him, because it is his time and he has not been prompted for so many year", "It is his turn", "He contributed in the past, now he is just relaxing but I know he can work".

This is not work place where young people can thrive. You will feel frustrated and have nowhere to go but move on a new company.