VoIP Engineer (Cisco Unified Communications)Systems Integration & Development (SID) is an award-winning IT solutions provider headquartered in Rockville, MD and is currently seeking a talented VoIP Engineer specializing in Cisco Unified Communications. This is a full-time position available onsite (hybrid) in New Carrollton, MD.Roles and Responsibilities: Design, implement, and maintain Cisco Unified Communications solutions, including VoIP, video, and collaboration technologies. Troubleshoo