You have already worked as a trainer. Training is the function of HR. Were you a part of process training which is more on the operations side? Focus on your areas that you delivered as a Trainer. Focus on building the content, pre and post training assessment, methodologies used for those training programs and supporting the under performers. Share how you dealt with escalations such as training under a tight schedule, even when it was not aligned with the learning cycle of your trainees. Connect these experiences to theory so that its easier to decipher them in different environments.
You are likely to find employment with training firms, who needs support to develop content. Delivering them will eventually happen, once you are ready. Wish you all the best! Pray you find the best opportunity to develop yourself further.
Please connect with Tackyon, they develop training programs for HR. It would be an ideal opportunity for you as you can work as an Intern and gain expertise on every other areas while developing the content. Connect with them and see how can you add values to them. Let me know if you need any help