Write a cover letter. esthetician seeking a job in a medical spa to train to be a medical esthetician. 20 year experience. Loyal and hard working. Very experienced in handling all types of clients’ needs and expectations. Looking for a friendly environment that values education. Opportunity for advancement. I love what I do and want to learn as much as possible and that is why i am currently in college to become a registered nurse to stay in the field of esthetics and dermatology.