Communications Engineer

Vonage

full-time

Posted on: 9/23/2025

Origin: • 🇵🇱 Poland

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Mid-LevelSenior

AnsibleAWSCloudDNSLinuxMySQLPythonSDLCTerraformVoIP

About the role

Independently manage projects of varying size and complexity requiring high levels of functional integration.
Make custom modifications to our SIP Proxies and SBCs to add new features and integrate with new PSTN carriers.
Review the work of other team members as part of our SDLC process.
Troubleshoot and debug SIP communication issues in the network.
Perform lifecycle management of voice systems and network equipment.
Play a consultative role to help decide the right processes and tools to define, execute and deliver project success.
Support the production deployment of new or modified operating systems and software applications.

At least 3+ years of applicable experience; must have at least 3 years of designing and configuring SIP network elements
Strong background in SIP, VoIP, and programming/automation
Advanced knowledge in all the protocols used in VoIP environment such as SIP (using UDP, TCP & TLS), RTP, SRTP, RTCP, DNS
Expertise in managing Opensips/Kamalio or other SIP servers
Ability to isolate issues by troubleshooting call flows end to end
Working knowledge of Linux operating systems
Working knowledge with scripting languages like Shell and Python
Working knowledge with databases such as MySQL
Working experience with network sniffers such as tcpdump/Wireshark/VoipMonitor
Experience with public cloud-based infrastructure deployments (AWS highly desired)
Knowledge of automation software (Ansible or Terraform desired)
Good understanding of PSTN services such as CNAM, StirShaken, and 911
Experience with DevOps practices