TechWhirl (TECHWR-L) is a resource for technical writing and technical communications professionals of all experience levels and in all industries to share their experiences and acquire information.
For two decades, technical communicators have turned to TechWhirl to ask and answer questions about the always-changing world of technical communications, such as tools, skills, career paths, methodologies, and emerging industries. The TechWhirl Archives and magazine, created for, by and about technical writers, offer a wealth of knowledge to everyone with an interest in any aspect of technical communications.
You seem to have the most important prerequisite: a professional attitude.
Go for it.
Read a lot.
Write a lot.
Ask knowledgeable peers for critical reviews.
Write for publication in national periodicals and journals; editors usually
pull no punches.
Consider professional certification, as evidence that you've paid your dues.
If you need more education you'll know it.
Would it be realistic to find work as a technical writer with the
qualifications listed above or would it be better to get a degree in