Artificial Intelligence is a wide area of study. It requires knowledge in many fields such as Data Science, Machine Learning and Deep Learning.
You can go through this blog to know how to learn AI because it covers most of the important concepts in AI. It will help you to start with the basics and go further to some advanced topics:
Also, if you want to start with these technologies then follow these tutorials:
For getting a job as an AI engineer you should be a professional in AI and you need to have a certificate for proving it, so, you should go for Artificial Intelligence Online training to make your career rise to the next level.