Role: Cloud Support Engineer — VoIP/SIP
Location: Hybrid (Dallas, TX)
Duration: 6 + Months
Job Description:
Client seeking an experienced Cloud Support & DevOps Engineer specializing in VoIP/SIP to join our Voice Operations & Support team
VoIP System Design & Implementation
• Design, deploy, and maintain VoIP infrastructure using FreeSWITCH, RTPengine, Asterisk, FreePBX, Vicidial, and IVR platforms.
• Configure FreeSWITCH for new product deployments and enterprise customer onboarding.
• Ensure high availability, reliability, and horizontal scalability of VoIP services.
• Manage PRI Cards, PRI Gateways, Analog Gateways, and PSTN connectivity.
Cloud Infrastructure & DevOps
• Deploy and manage VoIP systems across AWS, Azure, and Google Cloud Platform; optimize cloud resources for cost and performance.
• Administer Kubernetes clusters (EKS, AKS, GKE) hosting VoIP microservices.
• Build and maintain CI/CD pipelines using Jenkins and Ansible for automated deployments.
• Author and maintain Shell scripts for operational automation and runbook execution.
SIP & RTP Protocol Engineering
• Apply deep knowledge of SIP and RTP protocols to diagnose and resolve call quality, signaling, and media path issues.
• Use Wireshark and Tcpdump for packet-level network analysis and root cause investigation.
• Investigate and resolve SIP call failures, codec mismatches, NAT traversal issues, and RTP stream anomalies.
Thanks & Regards,
Jagga Rao
