Congrats on the job!
My routine usually goes
0530 up and shower, get dressed, do make up, make pack up for me and Dd if she isn't in dinners
0700 get Dd up and dressed, teeth cleaned etc
0730 practice spellings / quick read of book with dd
0745 leave for school run
0800 drop Dd at breakfast club
0820 arrive at work
1630 leave work, drive to dm to collect dd
1645 get home and make teas for Dd if dm hasn't fed her
1730 clear up dinner things, Dd tends to play or watch TV while I do pots
1800 reading/spellings with Dd
1845 Dd into pj's and snuggle in bed, stories and then she either has her music on or TV on timer and I sort my tea out, out washing on/tidy house
1930 lights out for dd, cook my tea
2100 head to bed, watch crap or read til fall asleep
Routine varies on a Tuesday as I get home later due to running a volunteer group and Wednesdays as dd does an activity so her dad collects her and feeds her and I pick her up after.
Hope that helps op.
It is infinitely doable, but I strongly suggest meal planning and slow cookers for easy dinners!
Oh and make sure your dh/dp helps around the house!