A Radiation Safety Officer (RSO) ensures compliance with radiation safety regulations, safeguarding personnel and the public from radiation hazards. Responsibilities include developing safety protocols, conducting training, monitoring radiation levels, and maintaining documentation. RSOs require expertise in health physics, regulatory knowledge, and strong analytical skills. They typically work in healthcare, research, or industrial settings, collaborating with medical staff, laboratory personnel, and regulatory bodies. Career progression may lead to senior safety management, regulatory roles, or specialized consultancy opportunities.