VOIP QA Automation Engineer

Our Applications business unit focuses on delivering a suite of advanced communication tools designed to enhance customer engagement. From cloud contact centers to feature-rich unified communications solutions, our Applications team is dedicated to providing businesses with the tools they need to streamline operations and improve customer experiences.

You'll be the quality champion for our mission-critical voice platform—working 70% on automation and 30% on creative manual testing. This is a technical, hands-on role where you'll build test frameworks, support engineers, and ensure our SIP/voice systems work flawlessly. Perfect for someone eager to grow in automation, AWS, and voice technologies.

• Design and maintain Python/SIPssert/SIPP-based test frameworks for voice platform validation
• Create CI/CD pipelines with GitHub Actions for continuous testing
• Write automated test suites for SIP protocols, call flows, and carrier integrations
• Develop monitoring automation with AWS and Grafana to catch issues early
• Improve test infrastructure—speed, reliability, and coverage
• Participate in early system design, providing valuable input on early architectural decisions phases
• Own, triage, investigate and help with resolution and validation of production defects or early stage malfunctions during development

• Manually validate complex voice scenarios and call quality
• Run exploratory and chaos testing to find edge cases
• Analyze SIP call flows using Wireshark, VoipMonitor etc
• Perform performance testing under real-world conditions

• Partner with developers on test strategies and code reviews
• Investigate production issues using logs, traces, and packet captures
• Champion quality best practices and shift-left testing
• Document findings and share knowledge with the team

• SIP protocol knowledge (call flows, signaling)
• 3 years QA experience (manual automation)
• 2 years test automation framework development
• Network troubleshooting tools (Wireshark, tcpdump, VoipMonitor)
• AWS basics and cloud platform familiarity

• Python or another programming language
• Ribbon SBC/SLB/PSX, OpenSIPs, or SIPp platforms
• Docker, Grafana, GitHub Actions
• RTP, SRTP, VOIP protocols
• MySQL, DevOps tools (Ansible, Terraform)

• Love building automation and improving test frameworks
• Are curious about voice/network technologies
• Think creatively about testing challenges
• Enjoy collaborating with engineers
• Have an improvement mindset and eagerness to learn

In addition to providing exciting work, career advancement opportunities, and a collaborative work environment, Vonage provides competitive pay and benefits including Discretionary Unlimited Time off, Medical, Dental & Vision Insurance and 401(k) more.

Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process

US Pay Transparency: $100,775 USD - $132,267 USD

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.