As someone with a similar personality, I doubt the employee has any delusions about their organization abilities. They probably just don't like that aspect of

As someone with a similar personality, I doubt the employee has any delusions about their organization abilities. They probably just don't like that aspect of their job and don't think it is that important. Approach it by saying I know you don't like doing it, but it is important to do. Mention the consequences of not doing it and how you spent hours fixing them. You might need to micromanage that one part of the job. Sometimes people need reminders on what to do. Also mention that they a strong engineer otherwise and this is just one thing they need to work on. Don't expect them to be super organized, but they need to do the minimum when it comes to logging time.