Traveling Registered Nurse, Travel, ICU, RN – ICU, Contract, Travel, Traveling Nursing, Assignment, Registered ICU, ICU Nurse, ICU RN, ICU Nurse, ICU Travel Nurse, Healthcare RN, ICU Nursing, Nurse RN, RN Nurse, Contract RN . If you’re seeking a Travel ICU Nurse position in Portland, ME and are looking to work with an agency that will listen to your needs and career goals, then Focus Staff is the right place to be.