Offering up to $10,000 as a sign on bonus for this opportunity! About the unit 4 South is a 44 bed Progressive Neurosurgical unit located in Butterworth. In this role you will be instrumental in the care of general neurology and neurosurgical patients. Our neurosurgical patients are highly complex. We care for spine surgery patients, patients who have undergone craniotomy and craniectomy for brain tumor resection, removal or debulking and elective aneurysm interventions.