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Dear Mr. /Mrs. Last Name,

With reference to your listing in one of the leading job portal, I present my resume for the post of windows system administrator.

Sir I have been in the field of technical support for the past three years. During this time I had been involved in the establishment of many networks using the windows as operating system.

Hence I really feel quite comfortable as a windows system administrator. So please organize an interview date, time and venue so that we can meet face to face. My phone number is **************. Please do inform me about the interview.

Thanks for taking the time to consider my application.

Sincerely,

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