Qantas staff with access to Amadeus/Altea/Staff Travel can see loads
Not on Staff Travel; it just shows N/A and can't be booked on S/T until about October.
I'm not sure too many staff will want to go that way anyway. The chances of being offloaded for seat availability will be bad enough but if it is looking tight on gas PER-LHR (and it will) you're a near certainty to get bumped.