Ime you need to throw more money at it:
cleaner / housekeeper and make sure you advertise the job as this, 3 times a week minimum, including washing, ironing, chores, collecting dry cleaning etc
nanny or au pair or grandparents plus back up friends you can call in emergencies - you need iron clad childcare
online shopping for everything, get housekeeper to put it away
dh needs to pull his weight, don’t let your career suffer because it’s easier
be very very organised and realise 2 at primary is hard, it gets easier and with more seniority comes even more flexibility so keep your jobs and it will pay off
good luck, ignore all the critics on this thread. To them I say a big job aint a lorry driver, it’s presumably 2 six figure salaries.