Years ago I read in AOPA about the light sport route to an A&P. Here's a link to the article:
https://www.aopa.org/news-and-media/all-news/2020/november/pilot/maintenance-training-career-gateway
15 day class to obtain the LSRM certificate (Light Sport Repairman - Maintenance) and here's how the article lays out the path from there: "But one of the secrets of the LSRM certificate is the power of its portability. Unlike a standard repairman certificate which is connected to employment with an FAA-certificated repair station, commercial operator, or air carrier, the LSRM is tied directly to the certificate holder. This means that, after working in the field for 30 months under his or her own supervision, an LSRM holder is qualified to take the A&P testing and add that certificate as a rating without ever attending an A&P school."
Sounds like it might be a fit given your career and experience going in.