- International SOS is the world's leading medical and security services company with over 12,000 employees working in 1,000 locations in 90 countries. International SOS Government Services administers the TRICARE Overseas Program providing highquality, accessible health care services for U.S. Military service members, family members, retirees, and other eligible beneficiaries overseas. Near Patient Nurse (m/f/d) / Nurse Location:...