| Job Purpose | VoIP Engineer (Asterisk Kamailio) - 5-7 Years Experience |
| Duties and Responsibilities | A-Minimum required Accountabilities for this role VoIP Infrastructure Design & Maintenance: oConfigure deploy and maintain FreeSWITCH and Kamailio-based systems. oUnderstanding of VoIP architectures to support business needs. oImplement call routing DID management and trunk configurations. SIP & Call Routing: oDevelop and manage SIP-based call routing for internal and external communication. oTroubleshoot SIP signaling issues using tools like Wireshark or sngrep. oOptimize routing rules for least-cost routing (LCR) and high availability. Monitoring & Performance Optimization: oMonitor VoIP systems for performance security and uptime. oConduct capacity planning and optimize system resources. oImplement call quality monitoring tools (e.g. RTCP QoS metrics). Collaboration & Support: oWork with cross-functional teams to integrate VoIP systems with CRM and other platforms. oProvide Level 2/3 support for VoIP-related issues. oTrain team members on VoIP best practices and system usage. B-Additional Accountabilities pertaining to the role Security & Compliance: oEnsure VoIP security measures to prevent fraud and mitigate risks. oEnsure compliance with industry standards and regulations (e.g. GDPR HIPAA). oConfigure firewalls and SBCs for secure SIP trunking. Database & Messaging Integration: oIntegrate VoIP systems with databases like MongoDB and PostgreSQL. oLeverage Redis for caching and RabbitMQ for messaging queues. oEnsure efficient data storage and retrieval mechanisms to support VoIP services. Programming & Scripting: oDevelop custom VoIP features and modules using languages like Golang Lua Python C and C. oAutomate repetitive tasks and processes through scripting. oUnderstanding of WebRTC solutions for real-time communication. |
| Key Decisions / Dimensions | Soft Skills: oStrong analytical and problem-solving skills. oExcellent communication and documentation abilities. oAbility to work collaboratively in a team environment. |
| Major Challenges | VoIP Expertise: oStrong hands-on experience with FreeSWITCH and Kamailio. oIn-depth knowledge of SIP protocols RTP and VoIP troubleshooting. oFamiliarity with codecs like G.711 G.729 Opus etc. Networking Proficiency: oSolid understanding of networking concepts such as NAT RTP and STUN/TURN. oExperience with firewall configurations and SBCs. Development Skills: oProficiency in programming languages like Golang Lua Python C and C. oExperience with WebRTC for real-time communication. oFamiliarity with database systems like MongoDB and PostgreSQL. oExperience with Redis for caching and RabbitMQ for asynchronous messaging. Tools & Platforms: oFamiliarity with monitoring tools like Homer Grafana or Nagios. oHands-on experience with cloud platforms like AWS Azure or Google Cloud. oProficiency in containerization tools like Docker and orchestration with Kubernetes. |
| Required Qualifications and Experience | a)Qualifications Graduates with relevant voip experience of 4-5 Years Experience b)Work Experience VoIP Infrastructure Design & Maintenance: oConfigure deploy and maintain FreeSWITCH and Kamailio-based systems. oDesign scalable and reliable VoIP architectures to support business needs. oImplement call routing DID management and trunk configurations. SIP & Call Routing: oDevelop and manage SIP-based call routing for internal and external communication. oTroubleshoot SIP signaling issues using tools like Wireshark or sngrep. oOptimize routing rules for least-cost routing (LCR) and high availability. Monitoring & Performance Optimization: oMonitor VoIP systems for performance security and uptime. oConduct capacity planning and optimize system resources. oImplement call quality monitoring tools (e.g. RTCP QoS metrics). Collaboration & Support: oWork with cross-functional teams to integrate VoIP systems with CRM and other platforms. oProvide Level 2/3 support for VoIP-related issues. oTrain team members on VoIP best practices and system usage. Security & Compliance: oImplement VoIP security measures to prevent fraud and mitigate risks. oEnsure compliance with industry standards and regulations (e.g. GDPR HIPAA). oConfigure firewalls and SBCs for secure SIP trunking. |
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