Keys to writing a quality control supervisor job description. Zippia analyzed thousands of quality control supervisor job descriptions to identify critical pieces of information you want to include. Using machine learning, we determined the following key facts about quality control supervisor job descriptions to get more candidates: The average quality control supervisor job description intro is about 107 words The responsibilities section of a quality control supervisor job description contains an average of 15 bullet points The requirements section of a quality control supervisor contains an average of 9 bullets points