Registered Nurse (RN) or Licensed Practical Nurse (LPN) Unit Manager. Job Description. As the Registered Nurse (RN) or Licensed Practical Nurse (LPN) Unit Manager, you will be responsible for the overall management of the unit and will be directly responsible for the performance of the nurses and the overall quality of care provided. You will be responsible for all aspects of patient care, including medication management, charting, care coordinat...