Ask HN: How difficult (or possible) is it to get into low level development?

I currently work doing the typical line of business web app development and I'm so disallusioned with it. Web development (and really business app development period) just bores me and I feel like I'm just doing different variations of the same thing.

I've always been interested, as a hobby in doing more low level type stuff. Think OS development, device driver development, firmware etc., but I don't think there's really any market demand for those type developers anymore and I imagine it would be extremely competitive (especially as I have no formal education)

Is there any real way to break into this field? I'd be willing to go back to school and such, I just doubt the existence of such jobs