Can you do the first two years of education and credits at a community college, and transfer to a state school for the last 2 years?

If you want to learn on your own (or remotely), you can easily buy a lot of the EE bench equipment. And there are affordable services to do things like fabricate your printed circuit board designs.

If you can't handle the cost and time investment of a Bachelor's degree, and you really know your stuff in a field, sometimes you can do a Master's degree, which is much more focused.

There's a chance your employer has a program to reimburse tuition. If you have demanding work, and take a demanding class, together these will probably take up all your time, and require careful self-management so that you can do well at both, but it can be done.