Dear Respectable Manager,
I have a Graduate Degree of Business & Information Technology, Computer knowledge and Good Communication skills with Excellent Experience in the field of IT, System Administration, Networking and Management, I have all the requirements that you need. For more detail you can see my CV.
I feel, I'm totally fit for the Given job. Now i'm free and Ready to join your Company immediately.

Your sincere,
Sikandar Zaib