Voip Network Engineer

6 days ago

Lahore, Punjab, Pakistan Tech Bridge Consultancy Full time $60,000 - $80,000 per year

Job Summary

We are looking for a highly motivated
VoIP Engineer
with deep expertise in Asterisk-based PBX systems, VoIP, and cloud-enabled UCaaS solutions. The ideal candidate is skilled in SIP protocols, VoIP architecture, and possesses a strong background in Linux systems, networking, and telephony automation.

Key Responsibilities

  • Administer and support Asterisk PBX, IVR, and global call center environments.
  • Serve as a subject matter expert in SIP voice protocols and cloud UCaaS solutions.
  • Configure and optimize voice networks for best-in-class call quality and minimal latency.
  • Maintain and enhance Quality of Service (QoS) across VoIP networks.
  • Develop, maintain, and troubleshoot SMPP and API-based SMS communication systems.
  • Implement VoIP security measures and ensure system redundancy and failover.
  • Analyze system performance on Linux-based servers focusing on scalability, QoS, and high availability.
  • Design and develop telephony-integrated applications for real-time monitoring and management.
  • Write and maintain automation scripts using Python, PHP, Perl, Bash, etc.
  • Stay updated with emerging VoIP technologies and drive innovation within the telephony infrastructure.
  • Collaborate cross-functionally with teams to ensure service quality meets or exceeds SLAs.
  • Troubleshoot complex VoIP, SIP, and interconnect issues with carriers and end-points.

Required Skills & Qualifications

  • Linux Proficiency:
    Strong system administration skills with Red Hat/CentOS, Ubuntu/Debian.
  • Networking:
    Deep understanding of TCP/IP, routing, switching, and QoS in VoIP environments.
  • VoIP Expertise:
    Hands-on experience with Asterisk, FreeSWITCH, Kamailio, OpenSIPS.
  • Protocol Knowledge:
    SIP, RTP, RTCP, SDP, IAX, WebRTC (WS/WSS).
  • Scripting & Automation:
    Strong scripting skills in Python, PHP, Perl, Bash.
  • Database:
    Familiarity with MySQL and ability to write efficient SQL queries.
  • Telephony Systems:
    In-depth knowledge of Asterisk features like AGI, ARI, queues, conferencing.
  • SMPP:
    Experience working with SMPP protocol for SMS.
  • Security:
    Understanding of VoIP security best practices and implementation.
  • Problem-Solving:
    Strong analytical and troubleshooting abilities for network and VoIP issues.
  • Communication:
    Excellent verbal and written communication skills with a collaborative mindset.
  • Adaptability:
    Ability to keep pace with evolving technologies and changing business needs.

Nice to Have

  • Experience with WebRTC-based voice and video technologies.
  • Exposure to cloud-based UCaaS platforms (e.g., Twilio, RingCentral, 3CX, etc.).
  • Familiarity with DevOps tools for CI/CD pipelines in telephony environments.

What We Offer

  • Competitive salary package
  • Dynamic and collaborative team environment
  • Opportunities for continuous learning and career advancement
  • Work with cutting-edge telecommunication technologies

Experience:
2 - 4 years

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