Tech Solutionist Professional - Contact center

Job description

**Job Purpose** VoIP Engineer (Asterisk, Kamailio) - 5-7 Years Experience **Duties and Responsibilities** A-. - Minimum required Accountabilities for this role - VoIP Infrastructure Design & Maintenance: o. - Configure, deploy, and maintain FreeSWITCH and Kamailio-based systems. - o. - Understanding of VoIP architectures to support business needs. - o. - Implement call routing, DID management, and trunk configurations. - SIP & Call Routing: o. - Develop and manage SIP-based call routing for internal and external communication. - o. - Troubleshoot SIP signaling issues using tools like Wireshark or sngrep. - o. - Optimize routing rules for least-cost routing (LCR) and high availability. - Monitoring & Performance Optimization: o. - Monitor VoIP systems for performance, security, and uptime. - o. - Conduct capacity planning and optimize system resources. - o. - Implement call quality monitoring tools (e. - g. - , RTCP, QoS metrics). - Collaboration & Support: o. - Work with cross-functional teams to integrate VoIP systems with CRM and other platforms. - o. - Provide Level 2/3 support for VoIP-related issues. - o. - Train team members on VoIP best practices and system usage. B-. - Additional Accountabilities pertaining to the role - Security & Compliance: o. - Ensure VoIP security measures to prevent fraud and mitigate risks. - o. - Ensure compliance with industry standards and regulations (e. - g. - , GDPR, HIPAA). - o. - Configure firewalls and SBCs for secure SIP trunking. - Database & Messaging Integration: o. - Integrate VoIP systems with databases like MongoDB and PostgreSQL. - o. - Leverage Redis for caching and RabbitMQ for messaging queues. - o. - Ensure efficient data storage and retrieval mechanisms to support VoIP services. - Programming & Scripting: o. - Develop custom VoIP features and modules using languages like Golang, Lua, Python, C, and C++. - o. - Automate repetitive tasks and processes through scripting. - o. - Understanding of WebRTC solutions for real-time communication. **Key Decisions / Dimensions** - Soft Skills: o. - Strong analytical and problem-solving skills. - o. - Excellent communication and documentation abilities. - o. - Ability to work collaboratively in a team environment. **Major Challenges** - VoIP Expertise: o. - Strong hands-on experience with FreeSWITCH and Kamailio. - o. - In-depth knowledge of SIP protocols, RTP, and VoIP troubleshooting. - o. - Familiarity with codecs like G. - 711, G. - 729, Opus, etc. - Networking Proficiency: o. - Solid understanding of networking concepts such as NAT, RTP, and STUN/TURN. - o. - Experience with firewall configurations and SBCs. - Development Skills: o. - Proficiency in programming languages like Golang, Lua, Python, C, and C++. - o. - Experience with WebRTC for real-time communication. - o. - Familiarity with database systems like MongoDB and PostgreSQL. - o. - Experience with Redis for caching and RabbitMQ for asynchronous messaging. - Tools & Platforms: o. - Familiarity with monitoring tools like Homer, Grafana, or Nagios. - o. - Hands-on experience with cloud platforms like AWS, Azure, or Google Cloud. - o. - Proficiency 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: o. - Configure, deploy, and maintain FreeSWITCH and Kamailio-based systems. - o. - Design scalable and reliable VoIP architectures to support business needs. - o. - Implement call routing, DID management, and trunk configurations. - SIP & Call Routing: o. - Develop and manage SIP-based call routing for internal and external communication. - o. - Troubleshoot SIP signaling issues using tools like Wireshark or sngrep. - o. - Optimize routing rules for least-cost routing (LCR) and high availability. - Monitoring & Performance Optimization: o. - Monitor VoIP systems for performance, security, and uptime. - o. - Conduct capacity planning and optimize system resources. - o. - Implement call quality monitoring tools (e. - g. - , RTCP, QoS metrics). - Collaboration & Support: o. - Work with cross-functional teams to integrate VoIP systems with CRM and other platforms. - o. - Provide Level 2/3 support for VoIP-related issues. - o. - Train team members on VoIP best practices and system usage. - Security & Compliance: o. - Implement VoIP security measures to prevent fraud and mitigate risks. - o. - Ensure compliance with industry standards and regulations (e. - g. - , GDPR, HIPAA). - o. - Configure firewalls and SBCs for secure SIP trunking.