Not for new joiners.
They may consider it if you're over 60, or have exceptional circumstances. They usually make it difficult though, by insisting that you find a partner to share a roster with. This means that your duties during your block of work are either all earlies, or all lates, (your roster partner does the opposite during their working block, so you have to agree your preferences with them first).
They also tend to roster you with long duty days during your block of work on a shared roster, as there's not much danger of you infringing cumulative FTLs.
Crewing sometimes get it wrong by rostering you for the opposite duties to your preference.
It can be a hassle for you to arrange and manage Several senior guys, including trainers, have retired early because of the aggravation caused.
'Always Getting Better'