Voice Infrastructure Engineer (Ribbon SBC Specialist)

Job Title: Ribbon SBC Implementation, Architecture & Support Expert Location: Remote (India-based preferred) Contract Type: Contract Working Hours: US Time Zones Job Overview: We are seeking highly certified and experienced professionals in Ribbon Session Border Controller (SBC) technology to support critical voice infrastructure projects. This role involves end-to-end responsibilities—from architecture and deployment to advanced troubleshooting and ongoing support—with a focus on delivering robust, secure, and scalable VoIP solutions. Key Responsibilities: Design, configure, and deploy Ribbon SBC solutions (SBC 5000 series, SWe, etc.) in enterprise or service provider environments Architect high-availability SBC infrastructures tailored to client requirements, including integration with UC platforms Support Microsoft Teams Direct Routing integration and SIP Trunking deployments Provide Tier 2/Tier 3 support, troubleshoot SIP call flows, NAT/firewall issues, routing problems, and media quality Perform software upgrades, patching, and system optimizations Develop and maintain technical documentation, including design diagrams and configuration guides Collaborate with voice/network engineers and client teams during implementation and post-deployment support Required Qualifications: 5+ years of hands-on experience with Ribbon SBC solutions Strong understanding of SIP protocol, VoIP fundamentals, RTP, QoS, and firewall/NAT traversal Proven experience in implementing, supporting, and troubleshooting Ribbon SBC environments Experience integrating SBC with Microsoft Teams Direct Routing, PSTN gateways, and VoIP carriers Familiarity with Ribbon management tools (EMS, DSI, logs, dashboards) Excellent communication skills and ability to work independently with US-based clients Preferred Certifications: Ribbon Communications Certified Professional (Implementation, Support, or Architect tracks) Microsoft Teams Voice certification (e.g., MS-720) is a plus Any additional VoIP or network certifications (CCNA Voice, etc.) are an advantage Show more Show less