A social media manager is responsible for planning, implementing, and monitoring the company's social media strategy in order to increase brand awareness, improve marketing efforts, and increase sales. This involves creating and scheduling social media posts, engaging with followers, and running social media advertising campaigns. The social media manager should have a strong understanding of the various social media platforms and how to use them effectively for marketing purposes. They should also have excellent communication and organizational skills and be able to work independently and as part of a team.