My work comes with an additional leave called birthday leave which could be used any day of my birth month but I personally prefer to use it on the day itself. I also get an fairly generous HMO policy for whenever I need to go to the hospital or anything medical.
The salary is pretty much on par with what other companies make
Mott Macdonald offers 5% kiwi saver scheme as well as discount on various services in the area and air travel.