For technologist primarily performing vascular sonography: current ARDMS registered certification in Vascular Technology with RVT designation and/or current CCI registered certification as a Registered Vascular Specialist with RVS designation and/or current ARRT registered certification Vascular Sonography with RT(VS) designation. Other Skills: Knowledge of diagnostic ultrasound procedures, equipment operation, radiation safety, positioning techniques, patient transfers, good communication skills, ability to handle multiple tasks/projects, ethical and professional conduct, good understanding of age-related developmental issues of pediatrics and geriatrics.