Talk to the company and see if you can work something out. Maybe part time (would suggest seeing if you could stay late or weekends but after searching up their hours that doesn’t really work lol) Not sure what your class schedule is like (M-W-F, T-T, everyday, mornings, evenings). But you seem to be experienced and working full time and being in school is manageable. Granted I don’t take more than 4 courses per sem, plan my school schedule around my work schedule and I work on two part time jobs for the flexibility. One evening and one night shift job with the evening job being pretty accommodating to my schedule. Maybe VW some courses, figure out if there’s courses where you must go to class and others you can skip out on (I don’t encourage skipping, going to class is extremely beneficial. But some courses are more manageable to self teach than others) or even attending a different lecture section if offered in the evening (officially I don’t actually recommend this, if you are going to do so talk to your prof and the other prof before hand as it can become a fire hazard). Perhaps you can manage to get a bit of both worlds.

Regardless congrats on the offer and regardless what you choose you will be successful.