Hiring Immediately! Assisting Hands Boston Northwest is looking for HHA/CNA's who can work in the early morning (between 6am-10am) at construction sites in Middlesex County. This posting is for Marshfield, MA. The shift involves taking the temperatures of construction workers. You will be provided with proper PPE equipment. These shifts will be at premium rates. Requirements: HHA/CNA certificate. The hiring process will be done all remotely.