Write my letter of Interest - EMS Field Supervisor

I am in need of a letter of interest for a job application as an EMS Field Supervisor. The ideal writer for this project should have experience in writing job application letters and be familiar with the EMS industry (emergency medical services). The letter should have a semi-formal tone and highlight my specific qualifications and experiences, which I will provide a list of to the writer. Single page, word count 250-350.
The letter should also demonstrate my interest and enthusiasm for the position and the company.
Deadline: June 10