Voip Engineer (Free-switch)

🚀 Hiring: VoIP Engineer (FreeSWITCH Specialist)

📍 Location: Ahmedabad

🏢 Company: iGuru Software Services Pvt. Ltd.

💼 Employment Type: Full-time

About the Role

highly skilled and motivated VoIP Engineer

design, develop, deploy, and maintain

Key Responsibilities

• Design, implement, and manage

  VoIP solutions using FreeSWITCH

  , ensuring reliability, availability, and security.
• Configure and optimize

  dial plans, call queues, IVRs

  , and call-handling logic.
• Troubleshoot and resolve complex VoIP issues (e.g., call quality, routing, signaling) using

  Wireshark, sngrep, tcpdump

  , etc.
• Develop

  custom modules and applications

  in

  Lua, Python, C/C++, or JavaScript

  .
• Integrate FreeSWITCH with

  CRMs, databases (MySQL/PostgreSQL), and RESTful APIs

  .
• Monitor and maintain system performance with tools like

  Prometheus, Grafana, and syslog

  .
• Implement

  security best practices

  —firewall configuration, TLS encryption, and anti-fraud measures.
• Collaborate with software developers, network engineers, and support teams to deliver robust communication solutions.
• Maintain detailed documentation for configurations, procedures, and troubleshooting.
• Stay current with

  VoIP and real-time communication trends

  and technologies.

Required Qualifications & Skills

• Bachelor’s degree in

  Computer Science, IT, Telecommunications

  , or related field (or equivalent experience).
• Proven experience as a

  VoIP Engineer / Telecommunications Engineer

  .
• Deep expertise in

  FreeSWITCH

  , including XML/Lua dial plans and module configuration.
• Strong knowledge of

  SIP, RTP, WebRTC

  protocols.
• Proficiency in

  Linux system administration

  (Debian/Ubuntu/CentOS).
• Experience with

  Lua, Python, or Perl

  for call flow logic and automation.
• Solid understanding of

  TCP/IP, UDP, DNS, NAT traversal, QoS

  .
• Proficiency with

  Wireshark, sngrep, tcpdump

  for troubleshooting.
• Familiarity with

  MySQL/PostgreSQL

  integration.
• Strong analytical, problem-solving, and communication skills.

Preferred Skills (Nice to Have)

• Experience deploying FreeSWITCH in

  cloud environments

  (AWS, Azure, GCP).
• Background in

  call center or service provider

  settings.
• Knowledge of

  VoIP security frameworks

  such as

  STIR/SHAKEN

  .
• Experience with

  automated testing for VoIP systems

  (e.g., SIPp).



Why Join iGuru

collaborative, growth-oriented environment