Job
Description
Job Purpose
VoIP Engineer (Asterisk, Kamailio) - 4-5 Years ExperienceDuties 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 roleSecurity & 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)QualificationsGraduates with relevant voip experience of 4-5 Years Experience
b)Work ExperienceVoIP 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.
