Need laptop keyboard pressing robot

I am looking for an experienced engineer to help me create a robot to press laptop keyboard buttons. The robot needs to press two or four buttons one by one for six hours in order to keep the screen on. It does not require any range of motion and I need this project completed by a professional. If you have any kind of experience pertaining to this project please let me know and I will consider your proposal. I look forward to hearing from talented engineers who are able to provide this service for me. Thank you for your time.