Sr. Communication Engineer

Sr. Communication Engineer Full-Time Infrastructure / Telecom | Noduco Careers | Noduco

Design, operate, and enhance global enterprise voice systems as a Senior SIP/VoIP Engineer, supporting carrier-grade voice infrastructure with a focus on call quality and operational excellence.

What You Will Do

• Support and maintain voice infrastructure, including SBCs, policy servers, and voice gateways.
• Troubleshoot SIP signaling and call flow issues across global platforms.
• Participate in an on-call rotation and respond to high-severity incidents as needed.
• Work closely with DevOps, Cloud, Network, and Security teams for reliable and secure service delivery.
• Partner with vendors for platform updates, tuning, and escalations.
• Implement and refine monitoring, alerting, and automation to improve operational efficiency.
• Contribute to documentation, design, and continuous improvement of the voice environment.

Requirements

• 7 to 10+ years of experience in voice engineering, operations, or telecom infrastructure
• Strong understanding of SIP stack architecture, call setup, and troubleshooting methodologies
• Hands-on experience with SBCs and policy servers (Ribbon experience required)
• Familiarity with voice routing, QoS, and integration with cloud and on-prem systems
• Experience supporting 24x7 operations, on-call support, and incident management
• Knowledge of cloud environments (AWS, Azure) and security best practices
• Excellent problem-solving skills and communication abilities for working with distributed teams

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