Certified Nursing Assistant (CNA) for Nursing Home - Sign on Bonuses - Skilled Certified Nursing Assistants. Concord, MA - ID: 1342-361 - Full-Time/ Regular. Up to $3000 in Sign-On Bonuses for FT C. N. A's (3 p-11 p) at Rivercrest, $2000 for PT (3 p- Certified Nursing Assistant, Nursing, Nursing Assistant, Home, Assistant, Certified, Healthcare