How To Write A Retirement Letter To An Employer . The time spent here has truly been a wonderful experience working alongside many dedicated people. And even though you may be looking forward to retirement you. 14+ Retirement Letter Templates Word, PDF Free & Premium Templates from www.template.net Express gratitude for the job and share some achievements. A retirement letter can be a way to express thanks for a long career at the company and the privilege of holding a leadership position. Retirement resignation letter example here is an example of a resignation letter written to inform your employer about your retirement.