DH and I both travel a fair bit for work. There are sticky moments sometimes when there's a clash but mostly we manage with the school wraparound care and the odd friend taking DD early in the morning, picking up in the evening for us if we can't make it. The good thing is that I'm kind of term-time only so even if I'm working during a school holiday then that's usually from home unless I'm operating on different term dates (being deliberately vague here...)
When one of us is away, the other usually has either a stack of batch-cooked meals in the freezer or some easy cook bung in oven dishes, fresh pasta as quicker etc. DD usually has packed lunches but accepts that when it's really busy she'll do a week or two having school dinners.
The house is way cleaner and tidier when DH is away but I'm fussy. We usually have a cleaner too but had to pause due to a flood and bathroom being replaced - stuff everywhere and impossible to clean. Will reinstate shortly.
Often when DH is away, I'll have friends over for a bite to eat and a few glasses of wine so I still get adult company. And he's been trained to identify a good hotel travel-sized product so I often have This Works, Elemis and Aveda stuff kicking about!
We'd both have to pack in our jobs if we weren't prepared to travel and it always gives us interesting things to talk about. I also (whispers) enjoy the time out it affords me especially if I'm travelling first class, which is sometimes the case.
It can be weird for the first few hours when one of us arrives home as there's always an adjustment period but you get used to it. I think if we had more than one child then it would be harder, especially if we needed to get them to two different places in the morning. But it is what it is and @S021 sometimes you don't foresee a career going in the direction it does. I really hope neither of you get the offer of a job with travel and feel you can't take it because you promised rather than because you don't want to. Horses for courses though of course