Senior Asterisk Architect

1 week ago

Delhi Division, India ABC Worldwide Full time

Location: Delhi India 
Department: IT Infrastructure / Telephony
Reports To: CTO
Experience Required: 15+ Years
Employment Type: Full-Time

Position Summary:

We are seeking a seasoned Asterisk Architect and VoIP Infrastructure Expert with over 15 years of hands-on experience in designing, implementing, and managing enterprise-grade telephony systems. The ideal candidate will have led the deployment of Asterisk-based PBX systems for contact centers exceeding 1,000 seats , with proven expertise in scalability, redundancy, performance tuning, and integrations with CRM, Dialers, and AI-based tools.

Key Responsibilities:

  • Design & Architecture:
    Architect and design high-availability, scalable, and secure Asterisk VoIP systems supporting 1,000+ concurrent agents across multiple geographies.
  • Deployment & Configuration:
    Lead deployment and configuration of Asterisk (and related modules like FreePBX, Vicidial, etc.), ensuring optimal performance and minimal downtime.
  • System Integration:
    Integrate Asterisk with third-party systems such as CRMs, ERP platforms, Dialers, Speech Analytics engines, and AI-based Agent Assist tools.
  • Monitoring & Optimization:
    Implement real-time monitoring, logging, call quality assessment, and performance optimization strategies.
  • SLA Management:
    Ensure system uptime meets 99.99% availability with built-in failover, disaster recovery, and load balancing capabilities.
  • Security & Compliance:
    Implement strong security protocols (SIP TLS, SRTP, firewalls) and ensure compliance with regional telecom and data protection regulations.
  • Leadership & Mentorship:
    Lead a team of VoIP engineers and provide training, SOPs, and escalation handling support.
  • Documentation & Reporting:
    Maintain up-to-date technical documentation, system diagrams, change logs, and capacity planning reports.

Required Skills & Qualifications:

  • Minimum 15 years of experience in VoIP systems, with at least 10 years dedicated to Asterisk .
  • Experience in setting up and managing enterprise-scale environments (1000+ seats) .
  • Deep understanding of SIP protocols, RTP, IAX2, dial plan scripting, AGI, AMI, and IVR design .
  • Strong knowledge of Linux (CentOS/Ubuntu), MySQL/PostgreSQL , and network administration.
  • Familiarity with load balancing, HAProxy, Kamailio/OpenSIPS , and clustering.
  • Proficiency in integrating telephony with REST APIs, CRMs (e.g., Salesforce, Zoho), and cloud platforms (AWS, Azure) .
  • Experience with voice recording, call monitoring, reporting dashboards, and QoS metrics .
  • Exposure to contact center workflows , predictive dialers, blended campaigns, and CTI connectors.
  • Certifications in VoIP, Linux, or related technologies (optional but preferred).

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