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 workplace.
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 Experienceb)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.

📌 Unit Manager - IT/Senior Unit Manager - IT (Pune)
🏢 Bajaj Finance
📍 Pune