Iowa City Community School District. Nutrition Services Assistant- 8:00-3:00 pm. . QUALIFICATIONS. . . Must be able to stand for long periods of time and walk much of the time during the day. Must be able to tolerate hot and humid conditions. Must be able to lift up to 45 lbs. Must have manual dexterity to handle knives and other pieces of equipment. Is able to work calmly and complete jobs in a timely manner, even under sometimes stressful condi...