The very broad strokes of it? Sure. The specific nature of it? Absolutely not. I'm in a fairly specialized branch of printing, and while I understand the basic principles, I couldn't explain, for instance, why it is that the printable CMYK gamut is so much smaller than the sRGB gamut, which is in turn far smaller than the visible color gamut. Nor could I explain why certain formulations of ink don't produce linear colors, and why inks for different processes tend to broadly be more or less linear.

Is your dad actually your dad, or is he your brother? Well my job uses your blood to find out these questions and more. We mix your blood with glowing ingredients, and compare the illuminated patterns that we see when we shine light on it with those of your family members, as well as compared to a rough reference mishmash of all blood we've collected so far.

Can you offer me your arm, please?

I'm in Product management. Even my own family don't really get what I do

Hmm... I'm a cosplayer/erotica model. So a seamstress that gets naked for money? Not too outlandish, but they'd never understand what cosplay was.

I make a long list of things for people to do in order to create a final outcome, and then keep track of the progress and find solutions for deviations.

Project manager.

They never really called it that, but I'm pretty sure the concept isn't new. Architects and the likes did pretty much the same when building ginormous structures back in ancient Rome and Egypt, so they'd get the idea. Probably wouldn't understand the project deliverable, but at least the process.

I am paid to perform other duties as assigned.

If anyone has any idea on how to explain generative AI to someone from the 1700s, let me know. Maybe we can try explain my job then.

I'm a teacher. They would understand that I educate the young, but would be nowhere close to understanding my students. They would think I teach a few children of the wealthy when I actually teach hundreds from the poorest of families in my area. Including several imigrants who speak a different language and many students with various disabilities.

I'm a magister, scholar, and merchant. (I own a technology company).

Hell no

I test and design massive industrial electrical systems used in steel mills, power grid distribution, space equipment, coal mines, oil & gas, etc etc etc.

They didn't even figure out electricity at the time

We have these things that are like stained glass books and I make how the glass looks.

Front-end developer.

Yes, my job has a fairly simple explanation. People who feel bad for whatever reason sit on my couch and I help them feel better.

Edit: I'm a therapist.

Anyone in the history of civilization would understand my job

I'm a glorified locksmith for magic wiz boxes. Technically I do other things as well, but mostly it's just getting past the locks that people have lost the key for.

There are also magical entities that take works from the nether realm and bring them into existence here, only they are all powered by grumpy demons and so I don't deal with those.

My job is to digitize cassette tapes, VHS tapes, and other magnetic media.

So first I'd have to explain the miracle of how we managed to capture moving images and sounds onto these thin strips of plastic covered in rust. I'd follow that up by explaining how that technology is now considered quaint and out of date, and that these days we just get a thinking machine to remember that sort of thing for us.

Before the melancholia debilitated me, I worked a long time as an unguilded teamster.

I put roofs on, both slate and standing seam. They would probably be surprised at how much money the really rich people have. But explaining standing seam would be pretty easy.

We even get our copper from Revere, as in Paul Revere, though he wasn't born until 1735.

Lots of "I use magic to do magic stuff" for talking to people not long after the Salem witch trials.

First I'd have to explain electricity. Then I'd have to explain electric circuits.... And the function of different components

THEN i could try to explain what my job was

I sell drugs and drug accessories, I doubt it would be hard to explain.

For sure they'd understand. My job had been around for quite a while (not a hooker)

I use vastly advanced looms to do math

Yes.

i sell gold & silver so ye

I am a computational chemist so... Not sure how you would translate that so that someone from the 1700s would understand but whatever it is would get me burned as a witch.

I'd love a medieval version of this question lol.

I'm a Linux Administrator. I maintain machines that think.