I'm no math genius, but I enjoy mathematical modeling. To me, it's kind of the closest thing to magic we have in the real world in that you can use equations to

I'm no math genius, but I enjoy mathematical modeling. To me, it's kind of the closest thing to magic we have in the real world in that you can use equations to represent a model for how something works in the real world and use it for decision making. A lot of companies do optimization using things like linear programming or more advanced methods and it's really cool. It's also so freaking satisfying once you get everything working. The regional grid operators in the US and elsewhere are also pretty cool to work for with constant challenges and a hyper-rapidly evolving industry. It can be both exciting and boring at times, but the boring is made up for via job security. No layoffs pretty much ever. Utilities on the other hand get bought out a lot and lay people off all the time, but they can also be exciting.