That's not standard practice in my company and certainly not in most other companies judging from a quick glance around the apron today.
Our company SOP is for position lights to be on all the time electical power is available to power them.
Anti-collision (reds) on just before pushback and off after engines are shut down on stand.
Strobes (whites) on as the aircraft enters any active runway and off as it exits an active runway.