Dear Sir
I am writing in response to your advertisement dated (---) in the (name of news daily) for the post of a network administrator.
I have the required skills, such as ability to train and support local and remote area network users, plan and support LAN based on Microsoft Windows NT®, manage security, capacity planning, and database support for Microsoft SQL Server™ database and maintain LAN/nationwide office links, as well as deal effectively with Windows and provide SQL Server database support.
I hope to prove to be an asset to your company and lool forward to an appointment with you at your convenience for discussing my qualifications. Kindly contact me at my address or phone number given below.
Sincerely