The Duke's Prodigy tdp

Over 60 million miles from Earth, a lonely ship's engineer falls lifeless to the floor. Executed for a crime he didn't commit. Executed to preserve the mission.

However, his life doesn't end there. He awakens to find himself transmigrated into another world. One small problem: he's just a baby.

He has to precariously balance a mysterious 'system,' noble politics, and assassination attempts before he can walk. With a wealth of knowledge of science and physics, he proceeds to turn the world upside down.

Inspiration List:
-Honzuki no Gekokujou (Ascendence of a Bookworm) by Miya Kazuki
-Isekai Yakkyoku (Parallel World Pharmacy) by Liz Takayama
-Deathworld Commando: Reborn by RangerFrank
-I Died and Got Summoned to Another World as a What?! by Devin