An IT executive cover letter should display your extensive knowledge in IT systems and processes. As this is a very senior position it is vital to include a very detailed description of your past employment history and major projects you have worked on. Include details of your professional qualifications and your career goals and objectives. Strength that you may want to consider including in you cover letter are; highly competent in IT systems and processes, excellent managerial and leadership skills and the ability to think strategically. Also include details of the different IT systems you are familiar with.