crashd
Security
Technology can only ever be part of the solution to security problems. If you think otherwise, you either don't understand the technology or you don't understand the problems.
Operations
Operations keep the lights on. They enable innovation and emergent properties of systems while ensuring that baseline assumptions do not break.
Development
Writing a lot of code and solving a lot of problems are not the same thing. A simple program is better than a complex one, but complex still beats complicated.