Hello,
If you want to work in SEO field, the first think want to know is What is SEO? I think it is the way or process of increasing the amount of visitors to a Web site & this is possible by high ranking of your site in the search results of a search engine. High ranking is very important for Site, because it automatically increase the amount of visitors. If your site rank is low no one can look at your site, that's mean your skills in SEO field is very low. So, Increase your web site ranking with your skills.