Job Description

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).
Job Types: Full-time, Permanent

Benefits:

Flexible schedule Health insurance Leave encashment Paid sick time Paid time off Provident Fund Work from home
Application Question(s):

What is your Notice Period?
Work Location: Remote