Senior Technical Lead

12 hours ago

India Rekruton Technologies Full time ₹ 12,00,000 - ₹ 36,00,000 per year

We are looking for a Senior Technical Lead – Asterisk & Telephony to spearhead the architecture, development, and operations of our voice infrastructure. This role requires deep hands-on experience with Asterisk PBX, SIP-based communication, cloud telephony, and team leadership. The ideal candidate will drive technical direction, mentor engineers, and ensure high availability and performance of mission-critical voice systems across cloud and on-premise environments.

Key Responsibilities:

  • Lead the design, development, and deployment of Asterisk-based VoIP systems, including dial plans, IVRs, call routing, and conferencing.
  • Architect and scale high-availability telephony platforms, integrating SIP trunks, codecs, and real-time monitoring systems.
  • Guide the team in implementing and optimizing AGI/AMI-based automation, custom call logic, and backend integrations.
  • Direct cloud-based telephony deployments (AWS, GCP, Azure), focusing on reliability, security, and performance.
  • Oversee incident response and troubleshooting of complex VoIP issues including NAT traversal, QoS, and signaling errors.
  • Collaborate with product, DevOps, security, and networking teams to deliver robust end-to-end communication solutions.
  • Provide leadership and mentorship to engineers and developers on Asterisk best practices, code quality, and architectural design.
  • Drive initiatives for telephony analytics, call quality monitoring, and proactive system health checks.
  • Ensure adherence to security standards, compliance requirements, and telephony regulations (e.g., TLS, SRTP, fraud prevention).
  • Maintain technical documentation and support team knowledge-sharing initiatives.

Required Skills & Qualifications:

  • Bachelor's or Master's degree in Computer Science, Telecommunications, or a related field.
  • 10+ years of experience in telephony and VoIP systems, including 7+ years with Asterisk PBX in production.
  • 3+ years in a technical leadership role, managing teams or projects in a telephony/VoIP environment.
  • Deep expertise in SIP, RTP, SRTP, IAX2, DAHDI, codec negotiation, and troubleshooting call quality issues.
  • Strong scripting and development experience in Python, Bash, and AGI/AMI interfaces.
  • Proficient in Linux system administration and CLI-based network debugging tools.
  • Solid understanding of cloud platforms (AWS, GCP, or Azure), including load balancing, networking, and security configurations.
  • Hands-on experience with relational databases (MySQL, MariaDB PostgreSQL) and REST API integrations.
  • Familiarity with monitoring tools like Grafana, Prometheus, Zabbix or custom SIP monitoring stacks.
  • Experience with Wireshark, tcpdump, and other packet-level analysis tools.

Preferred Skills:

  • Knowledge of Kamailio or OpenSIPS as SBCs or SIP routers.
  • Familiarity with WebRTC, contact center technologies, or call recording/compliance systems.
  • Experience deploying containerized telephony solutions (Docker, Kubernetes).
  • Exposure to compliance and regulatory frameworks (PCI, HIPAA, GDPR, CALEA).

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