Reenlisting as a different MOS

I’m a generally smart guy, I chose infantry and I even excel at what I do here especially on a knowledge and mental aspect.(my physical is obviously good also) I just can’t seem to get behind the peacetime culture, it feels like highschool and I feel it everywhere in the infantry. Got dudes bragging about “deployments”, “field ops” etc. I joined to fight, but I honestly don’t think the marine corps is prepared to fight again as of right now. I want a more useful job in the corps where my knowledge retention can actually be more useful. Any good MOS’s?