The Jetstar guys will be recruited to fly them on fixed term introductory contracts before bidding to whatever their seniority gets them after the introduction.
If you turn out to be right, there are probably already enough between those who have taken the MOU/LWOP and returned, and those wishing to use the MOU in reverse; JQ to QF, to cater for any A320 (A321 NEO LR...
- Id say a better fit for Qantas) experience requirements imposed by CASA.
I wouldn't think any other specific recruitment would be required, let alone possible/acceptable given the above. Guess you never know though.