That would be more a like a sysadmin, though. OP has to introduce new functionality, which I’d want to emphasise.
They could say they’re a creator of automata, and the past people would picture basically robots, but that implies a more physical type of building, and also that they create things that are purely decorative or for entertainment.
Even better: “our clocks in the future are very complex and it’s my job to keep them working”.
That would be more a like a sysadmin, though. OP has to introduce new functionality, which I’d want to emphasise.
They could say they’re a creator of automata, and the past people would picture basically robots, but that implies a more physical type of building, and also that they create things that are purely decorative or for entertainment.