"From our previous conversation, understanding the job description, and researching the role online I feel that the job is best described as a project leader focused on X, Y, and Z. The technical requirements that you would like to see are A, B, and C. I am well versed in the tasks and programs you are asking for and am confident that I meet the strict requirements to perform in this role successfully."
"My understanding is that you seek a candidate with expert level skills in X, Y, and Z, who can train junior employees. I am an expert user in all three of these areas. Do you have any questions about my technical expertise?"