* Expert knowledge of SEO principles and practices. You should have a deep understanding of how search engines work and how to optimize websites for search.* A knack for keyword research. You should be able to identify the right keywords for your clients' websites and create content that will rank for those keywords.* Excellent writing and editing skills. You should be able to write clear, concise, and informative content that is also optimized for search.* A strong analytical mind. You should be able to track and analyze data to identify what's working and what's not.* The ability to work independently and as part of a team. You should be able to work independently to manage your own projects, but you should also be able to collaborate with others to achieve common goals.