Dear Mr. Forbes,
Your listing on www.indeed.com for an Engineer Manager got my attention. I am perfect for this position, and have included my resume for your convenience.
Over the past eight years, I have worked as an Engineering Manager for TechStaff of Milwaukee with successful supervision of over 300 employees. I maintain a spotless track record for operational excellence, engineering product, and fast turnaround. I am writing today to apply my experience and talents to your open position of Engineer Manager.
Thanks for your time and consideration. Please contact me at (555)-555-5555 at your earliest convenience.