Hi

You need bachelor's degree in marketing, advertising, or a related field to work as a digital marketing manager. You can pursue a digital marketing course and do internship then after apply in any good company.To work as digital marketing manager you need to have Excellent technical abilities, strong communication skills, and effective analytical abilities for the selection at the time when you will apply for the job. A strong background with varied digital marketing techniques, such as email marketing campaigns and social media platforms, will be beneficial. 

Hope it helps.

Good luck