Holcomb Behavioral Health Systems is accredited by the Joint Commission and provides a comprehensive range of services and supports for people with mental health, substance abuse, intellectual and developmental disabilities, and co-occurring disorders throughout southern and central Pennsylvania, central New Jersey, Delaware, and Maryland. Job Description: In this role, the Clinical Support Specialist has the responsibility to work cooperatively with other administrative and clinical staff members to manage client communication and needs, whether on the phone or in person.