
For admins, I think it depends a lot on who you work for, but compensation scales reasonably with the availability requirement. Nearly all execs are offline for a few hours in the early evening with their families, but there is a late-night burst of email and then early AM from the APJ offices.
It will vary across divisions, but generally it's something that Akamai outlines as a priority. It's give and take, as an employee must also understand there are crunch times which will require more focus on work.
Not always great... being out of touch or unreachable is frowned upon, even while you are on vacation. Some people expect folks to still join meetings while on vacation or otherwise away from work.
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