letter of employment

please correct if there are any kind of grammatical mistakes

TO WHOM IT MAY CONCERN

This is to certify that Mr. Nikhil sharma was appointed as Technical Associate at our manufacturing industry, his role was to ameliorate faulty systems and design new ones in the plant. His period of tenure was from 15th April 2020 to 2nd June 2021.

During the tenure he exhibited excellent problem-solving skills. His prior technical knowledge was adequate for executing his job effortlessly also, we found him to be hardworking and professional at his work.

We wish him all success in his future endeavors.