Geriatric Nursing Assistant (GNA) – Part-Time – Lorien Bulle Rock (Havre de Grace, MD). Join Lorien Health Services, voted Baltimore’s Best Elder Care. Lorien Bulle Rock is looking to hire. Part-Time Geriatric Nursing Assistants (GNAs). to join our award-winning team. Experience firsthand why we’re. more than a nursing home and assisted living company. Located in beautiful. Havre de Grace, MD. near Delaware and Elkton, Lorien Bulle Rock is a. 78-...