To: [Insert name]
From: [Insert name]
Subject line: Internal Referral Candidate
Hi [Candidate name],
[Employee name] mentioned you would be a good fit for our [job title] position.
I checked out your [LinkedIn, GitHub, etc.] profile and think your background and accomplishments align with our project. We are looking to build our team with more great people like you so we would love to schedule a time to chat.
Would you be available for a call sometime this week to learn more about the position?
[Insert email signature]