[Mr/Ms Full name]
I am writing to notify you that I am resigning from my position as [your title] with [company name]. I intend that [Date] will be my last full day of employment.
I appreciate the opportunities I have been given during my time with your company, as well as your professional guidance and support.
I wish you and the company the best of success in the future.
If I can assist with the transition, please do let me know.
[Your name printed]