Voip Engineer

VoIP Engineer Job Description

We are looking for an experienced VoIP Engineer with strong expertise in building, maintaining, and optimizing VoIP-based communication systems. The ideal candidate should have hands-on experience with SIP-based call flows, VoIP protocols, and backend systems that support large-scale telecommunication environments.

Key Responsibilities

• Design, configure, and maintain VoIP systems, SIP servers, and related infrastructure.
• Implement and manage SIP, RTP, Diameter, Kamailio, and IMS architecture components.
• Troubleshoot VoIP call flows, signaling issues, media problems, and latency/quality-related concerns.
• Develop and optimize call routing, load balancing, and failover mechanisms.
• Work with C programming , scripting, and automation tools to enhance system reliability.
• Integrate VoIP systems with databases such as Redis and other backend services.
• Collaborate with cross-functional teams to deploy new services and improve overall system performance.
• Monitor system health, performance metrics, and ensure high availability of VoIP services.

Required Skills & Experience

• 5+ years of experience in VoIP engineering or related telecom systems.
• Strong knowledge of SIP, RTP, Kamailio, Diameter, IMS architecture .
• Proficiency in C , Linux environment, and VoIP server configuration.
• Hands-on experience with Redis or similar caching databases.
• Solid understanding of call routing, NAT traversal, media handling, and security protocols.
• Experience with troubleshooting tools (SIPp, Wireshark, Homer/HEP, etc.).
• Good understanding of telecom protocols, signaling flows, and distributed VoIP architecture.

Good to Have

• Knowledge of Python or shell scripting for automation.
• Experience with cloud-hosted VoIP deployments.
• Familiarity with monitoring tools like Grafana or Prometheus.