Subject Line: [Contact Person First Name] – Interest in future career opportunities with [Name of Company]
Dear [Name of Main Contact Person],
I have been following [Name of Company] for some time now as it is somewhere I would be interested to work because of [One or Two Reasons].
After doing some research, I believe that my experience could contribute definitely add value to the business.
At the moment there are no relevant positions being advertised externally, but I wanted to reach out and show my interest anyway.
Would you be open to having a brief introductory conversation with me?