The Grievance Specialist is a member of the Appeals & Grievances (A&G) team at Healthfirst and is responsible for managing and resolving member or authorized representative-initiated grievances and complaints across Healthfirst's product lines, including Medicare, Medicaid, Child Health Plus (CHPlus), Senior Health Partners (SHP), Commercial Qualified Health Plans (QHP), Essential Plans (EP), and CompleteCare. Conduct detailed research by collaborating cross-functionally with internal departments (e.g., Member Services, Provider Operations, Clinical, Enrollment, Pharmacy) to identify root causes and recommend appropriate resolutions.