Usually you have 3 options :
1. Instructional design and Course authoring. This is where you can build content for clients and companies. Think keywords like SCORM etc
2. Sales/sales engineering: you are technically skilled to sell a complex product that requires technical discussions/implementations. You may have to start as an SDR/AE first.
3. Customer Success/Account Management.
I am a bootstrapped founder in this space. Happy to provide more tips if you want to reach out directly.