SEO specialist on 6 months job

I am looking for an individual rather than a company which provide service. I am responsible for couple of business ventures and clients to improve their website rank and popularity. some client requirements be a like a 7 days and some client requirement will be ongoing. I am looking for a specialist who has complete knowledge and planning to implement Digital marketing department specifically focused on SEO Specialization, content creation and writing, Analytics , Linkbuilding. I am looking for a perfect candidate on fulltime role who can strictly work on agile environment within sprint planning environment business culture.