I am a professional SMM expertiser as a social media marketing, facebook marketing, googleplus, pinterest, twiter, youtube, admefast etc. I have one year work experience in the sectorI have been researching your company with great interest and would be very keen to learn of any opportunities for employment with you. I believe my skills and experience could be a great match with your organizations initiatives and culture. [In your opening, if you can draw any personal connection, such as a personal recommendation, recently attending one of their events or talks, or even reading
about their company in the news, do so.]