I've seen a lot of people over the years arguing about Peter Parker's ideal job. The 3 contenders that usually get brough up are:
Daily Bugle photographer - Its what he did for decades and it keeps his extensive Bugle supporting cast present constantly in his stories.
High school science teacher for Midtown High - Helping his neighborhood, gets to do science which is what he loves while helping vulnerable kids like he was.
Scientist at Horizon Labs - Fully focuses on Peter's love for science and using that to help the world as Peter Parker.
These 3 are good choices, and are all jobs he's had in the comics. However, I wanna highlight a few options that I (and other people I've seen in the internet comic space) believe are even better. In no specific order:
University professor at ESU (either a Chemical Engineering or Biophysics course probably) - Similar to the high school science teacher idea, it meshes his love of science with his drive to help people struggling like he was, but in THIS case it's 5 billion times easier for Peter to have time for Spider-Man or ditch a class if he has to. Send a message to all students that he's sick or has an emergency or whatever, easy sleazy.
Science teacher at the Future Foundation - Similar to above, but he gets to teach younger kids, he's tied directly to his Fantastic 4 family, and he has to make 0 excuses to go Spider-Manning. They all know who he is, so if he's late to a class or has to dip because of an emergency he's fully covered.
Science editor for the Daily Bugle - This is a job he had for some time in the comics in 2017 (in the "Fall of Parker" arc that followed the demise of Parker Industries) and its great. Meshes his love of science with the Bugle setting and cast of characters and hell, if you take into account the several people at the Bugle that know he's Spider-Man (Jonah, Betty, Robbie has been HEAVILY implied to know for decades), he's also good on the excuse front.
All are perfect options to the point that, in my AMAZING! Marvel AU, Peter does all 3 at the same time (in this case it works because he's retired as Spider-Man, he teaches 1 class at ESU + research lab, and the science section in the Daily Bugle is weekly and not daily. It's still not easy to juggle, but it works as a way to bring Peter's "I want to help people all the time at the expense of my own well-being" into the Peter Parker civilian context).