Senior Voice Platform Engineer

Join Vonage and help us innovate cloud communications for businesses worldwide! About the Role:
We’re seeking a Senior SIP/VoIP Engineer to design, operate, and enhance our global enterprise voice systems. You’ll play a hands-on role supporting carrier-grade voice infrastructure, ensuring call quality and uptime, and driving operational excellence. This position is ideal for someone who is fluent in SIP technologies, enjoys troubleshooting complex call flows, and thrives in collaborative, cross-functional environments.
Your key responsibilities:


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Support and maintain voice infrastructure, including SBCs, policy servers, and voice gateways


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Troubleshoot SIP signaling and call flow issues across global platforms


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Participate in an on-call rotation and respond to high-severity incidents as needed


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Work closely with DevOps, Cloud, Network, and Security teams to ensure reliable and secure service delivery


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Partner with vendors for platform updates, tuning, and escalations


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Implement and refine monitoring, alerting, and automation to improve operational efficiency


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Contribute to the documentation, design, and continuous improvement of the voice environment


What you'll bring
Required:


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7-10+ years of experience in voice engineering, operations or telecom infrastructure


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Strong understanding of SIP stack architecture, call setup and troubleshooting methodologies


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Hands-on experience with SBCs and policy servers (Ribbon experience required)


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Familiarity with voice routing, QoS, and integration with cloud and on-prem systems


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Experience supporting 24x7 operations, on-call support, and incident management


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Knowledge of cloud environments (AWS, Azure) and security best practices


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Excellent problem-solving skills and communication abilities for working with distributed teams


Experience we consider a plus:


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Experience automating or scripting voice operations workflows


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Familiarity with observability tools (Grafana)

There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you.
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Who we are:
Vonage is a global cloud communications leader. And your talent will further help brands - such as Airbnb, Viber, WhatsApp, and Snapchat - accelerate their digital transformation through our fully programmable-based unified communications, contact center solutions, and communications APIs. Ready to innovate? Then join us today.
Note: The purpose of this profile is to provide a general summary of essential responsibilities for the position and is not meant as an exhaustive list. Assignments may differ for individuals within the same role based on business conditions, departmental need or geographic location.