A United Nations Social Work job involves helping vulnerable populations worldwide through programs focused on human rights, social justice, and development. Social workers in the UN may assist refugees, displaced persons, or marginalized communities by providing support services, policy advocacy, and capacity-building initiatives. They work within UN agencies like UNICEF, UNHCR, or WHO to address issues such as poverty, mental health, and child protection. These roles typically require a background in social work, international development, or a related field, along with experience in humanitarian or social service settings.