Join Vonage and help us innovate cloud communications for businesses worldwide!
Vonage Applications
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.
Why this role matters
Vonage Senior Communications Engineers are the technical backbone of our global AWS cloud-based voice platform, the critical layer that sits between the PSTN and all of our UCaaS applications. In this senior role, you will design, enhance, and maintain our platform while serving as a technical authority and mentor, driving architectural decisions, leading complex projects, and shaping the automation and tooling that keeps our infrastructure ahead of the curve.
Your key responsibilities
Serve as a technical lead and subject matter expert on SIP architecture, VoIP and Ribbon infrastructure (SBC, SLB, PSX, RAMP)
Architect and implement complex, large-scale solutions requiring high levels of functional integration across the PSTN and UCaaS stack
Make custom modifications to SIP infrastructure to provide bug fixes, add new features and integrate with new PSTN carriers
Design and develop Python-based automation tools, scripts, and frameworks to streamline operations, deployments, and monitoring
Troubleshoot and resolve complex SIP issues across the network, including deep packet-level analysis
Drive lifecycle management of voice systems and network equipment, including capacity planning and end-of-life strategies
Lead code and design reviews, mentor junior and mid-level engineers, and play a consultative role in defining processes, tools, and standards for project delivery
Lead and support production deployments of new or modified operating systems and software applications
Collaborate closely with vendors, carrier teams, and external stakeholders to deliver integrated solutions
What you'll bring
Required:
7-10 years of hands-on experience designing, configuring, and managing SIP network elements in production environments
Expert-level knowledge of VoIP protocols: SIP (UDP, TCP & TLS), RTP, SRTP, RTCP, and DNS
Deep expertise in managing and troubleshooting Ribbon SLB/SBC/PSX clusters at scale
Strong proficiency in Python for automation, tooling, scripting, and integration development
Hands-on experience with public cloud infrastructure, particularly AWS
Proven ability to isolate and resolve complex issues by troubleshooting call flows end-to-end
Solid working knowledge of Linux operating systems, including performance tuning and administration
Experience we consider a plus:
Experience with OpenSIPS/Kamailio configuration and development
Familiarity with DevOps practices and tools such as Ansible or Terraform
Experience with observability and monitoring stacks, particularly Kibana/Grafana
Experience with CI/CD pipelines and infrastructure-as-code in a telecom or cloud communications environment
How you'll benefit
Group Health Insurance (ICICI Lombard)
Life Insurance (ICICI Prudential)
Group Accident & Disability Insurance (ICICI Lombard)
Plum OPD Wallet
Plum Wellness Benefits
Flexible Benefits Plan
Discretionary Time Off (DTO) and Volunteer Time (VTO)
Additional benefits and perks will be shared and discussed with you by the recruiter during the interview process
#LI-KF1
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.