This article has great advice and I definitely understand transitioning from a technical background into freelancing!
“I am a freelance technical writer. I definitely got into this from the ‘technical’ end of things, since I have a degree in math and a PhD in physics. Not that I use these skills much on writing assignments. But it can come in handy when I can say to a client, ‘Don’t be afraid to use the big words, I have a PhD in physics.'”