I don't see any other way really, we have to be the leaders in this. Any government agency or private company I know that one might seek "conventional" employment in is not on this level yet, and if you take a PDC, you'll see infinite amount of ways to improve their processes. It's hard not being able to do anything about it.
Sell something you produce, be it food, energy, fabrics, materials, etc etc
It really depends on your interests. Is education/communication your thing? Helping businesses and individuals to reuse and save water would be great. Saving water makes good economic sense, so it appeals on more than a 'because it's good for the environment' level. But that's more engineering/plumbing.
I think you can use permaculture principles in any range of vocations. I have been a gardener/designer, a farmer (only briefly), and a ecologist, and a bureaucrat, and a teacher. I have dreamed of being a plummer or and electrician, or an architect, or a resturanteer, or a merchant. All would be about becoming permaculture. If you are building a vocation, it is just like another design product. First observe yourself, your needs, outputs and intrinsic qualities. Complete an analysis of your socioeconomic setting. Then design yourself into a socioeconomic system for redundant function and placement for mutual benefit -- you need to solve someone else's problems if you want them to solve your problems.
Paul Cereghino- Stewardship Institute Maritime Temperate Coniferous Rainforest - Mild Wet Winter, Dry Summer
10 Podcast Review of the book Just Enough by Azby Brown