Dear Ms. Hall,
I am writing this cover letter in reference to the advertisement for Help Desk Manager that you posted recently. I have included my resume for your consideration.
I know that I am the perfect match for your open position as I have over four years experience as an IT Help Desk Manager at International Business Machines. I also have a Bachelor’s in Computer Administration, and strong communication and analytical skills.
I welcome the opportunity to discuss this opportunity further with you, and ask that you contact me at (555)-555-5555 at your earliest convenience. Thanks for your time.