This was posted previously, in October 2016: https://news.ycombinator.com/item?id=12701272 An actual Google director of engineering pointed out that these are individual-contributor SWE/SRE questions (and I can attest I got very similar questions as a new college grad). As I commented previously: "Reading more closely, it sounds like they are not interviewing him for a director of engineering position; it just sounds…
No, that's a pretty insulting and disturbingly koolaid flavored presumption.
This conversation makes sense to me because of the number of people who have commented that they ended up being unwittingly considered for position that they did not apply for and did not actually even necessarily want. There's at least two in the comments section here and I know two more personally (one of whom is a very talented director of HR, ironically enough).
I actually even said this to that director of engineering's comment you mentioned two years ago.
He neglected to respond.