In any given field, most employers require at least 3 years of experience to apply. There is a chance to apply for entry level / junior roles with big corporation or rarely startups.
I have no technical background in data science but I am interested to take some online course to have a sort of knowledge. The 90 percent spend on preparing data is the core function. Why? Because with massive data point, you need investigative and creative mind to determine which data point you need to make sense of your business wether enhancing, finding trends and patterns to learn and discover new things that illuminate the mind to think what to do next. Data science like an intelligence officer who collect, understand and architect.