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IT Network Engineer - PBX

Job Description - IT Network Engineer - PBX

Description
  • Perform configuration and maintenance of PBX Systems. Including installation and configuration of softphones, managing User Accounts, Creation/Deletion of Queues/Flows, DIDs/TFNs, Extensions, Voicemails etc.
  • Carry out Flows/IVRs and Call Routing design and implementation.
  • Monitor network performance.
  • Troubleshoot Network Infrastructure issues.
  • Provide technical support to end users, resolving hardware and software issues efficiently.
  • Diagnose problems, implement solutions, and escalate as necessary.
  • Maintain documentation of common problems and solutions.
  • Maintain service level agreements (SLA).
  • Handle routine system maintenance (network/software/PBX)
  • Participate in backup testing, business continuity, and recovery drills.
  • Log ticket issues and document relevant information to come up with a resolution.
  • Work with Security and Compliance to ensure IT infrastructure compliance with organizational policies, procedures, and industry standards.
  • Collaborate with other teams – Corporate Connectivity, Managed Services, Engineering, Security, and Compliance
  • Help identify opportunities for process improvement, recommendations, upgrades, or new technologies
  • Able to stay current with industry trends and best practices to enhance operational efficiency


Requirements
  • IT / Computer Science-related degree or certification.
  • Knowledge in SIP, RTP and WebRTC, including voice codecs to optimize audio quality.
  • Knowledge in Zoom Phone and Zoom Contact Center, Mitel, Vanilla Asterisk and other Asterisk based PBX Systems.
  • Proficient in configuring, Flows, Routing, Integrations etc. This includes scripting and APIs.
  • Knowledge of SBC, MBG, and firewalls to secure voice networks, with a strong understanding of LAN/WAN routing and VLANs.
  • Knowledge in Mikrotik, Tailscale and Netskope is a plus.
  • Able to use Wireshark or other network packet tracer to diagnose call drops and SIP messages.
  • Strong problem-solving and analytical abilities.
  • Communication skills (technical and non-technical audiences).
  • Time management and ability to prioritize tasks.
  • Team collaboration and customer service orientation.
  • Adaptability and willingness to learn new technologies.
  • Attention to detail and documentation practices
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