Repairs, calibrates, tests, configures, and maintains advanced medical imaging equipment, including CT, MRI, nuclear medicine, cath lab, and linear accelerator systems. Troubleshoots hardware, electrical safety, networking, DICOM, PACS, and modality connectivity issues; manages parts inventory and work orders; supports installations, vendors, contracts, budgets, and equipment data security. Collaborates with radiologists, technologists, IT, PACS teams, and manufacturers to minimize downtime.