Job Description Contact Human Resources if any questions. 641-664-2145. IPERS covered employer! Requirements #36 Licensed Practical Nurse PRN- as needed All - 7:00 a.m. - 7:00 p.m. and 7:00 p.m. - 7:00 a.m. Weekends- As needed Holidays - As needed On-Call : Possibly Occasionally employees may be asked or required to work additional hours than their normal schedule up to, including, or over 40 hours per week.