Cloud Support Engineer — VoIP/SIP

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