Telecom Support Engineer (VoIP / Asterisk)

PROPERTY BUY-RENT (SMC -Private) Limited

Lahore , Pakistan

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Posted 13 hours ago 10 views Report Job

PKR. 90,000 - 90,000/Month

We are looking for an experienced VoIP Engineer to provide advanced technical support, troubleshooting, and maintenance for VoIP, telephony, and unified communications platforms. The successful candidate will manage complex technical issues escalated from 1st and 2nd line support, handle customer incidents, implement system changes, and contribute to the design, deployment, and optimization of VoIP solutions. This role demands strong problem-solving abilities and the capacity to work independently in a fast-paced environment.

Key Responsibilities
Provide expert technical support for VoIP and unified communications environments. Diagnose and resolve complex issues related to SIP, VoIP, RTP, codecs, DTMF, call routing, and number provisioning. Troubleshoot SIP registration, authentication, call quality, one-way audio, dropped calls, and connectivity problems. Analyze SIP traces, packet captures, and network traffic using tools such as Wireshark. Configure and troubleshoot SIP trunks, IP phones, Session Border Controllers (SBCs), gateways, and VoIP platforms. Investigate network-related issues involving DNS, DHCP, VLANs, QoS, NAT, firewalls, and routing. Manage escalated incidents, providing clear technical updates through to resolution. Collaborate with carriers, ISPs, vendors, and third-party providers to resolve complex faults. Perform system changes, upgrades, migrations, and platform deployments. Monitor VoIP infrastructure proactively to identify and mitigate potential service-impacting issues. Maintain accurate technical documentation, network diagrams, and support procedures. Assist with the implementation and configuration of new customers and telephony services. Support disaster recovery, resilience, and business continuity arrangements. Participate in an on-call or out-of-hours support rota as required.

Required Qualifications
Proven experience in a 2nd or 3rd line VoIP or Unified Communications engineering role. Strong knowledge of SIP, VoIP, RTP, SIP trunking, call routing, IP telephony, and PBX systems. Experience with SBCs, VoIP gateways, SIP registration and authentication, and codecs such as G.711, G.729, and Opus. Familiarity with DTMF signaling and RFC 2833/4733 standards. Solid understanding of TCP/IP, DNS, DHCP, VLANs, NAT, firewalls, port forwarding, and QoS for VoIP network optimization. Proficient in packet analysis using Wireshark and comfortable working within Linux and/or Windows server environments. Experience with cloud and hosted telephony platforms, including Microsoft Teams, Teams Phone, and other UC technologies. Knowledge of monitoring, logging, and ticketing systems. Ability to troubleshoot complex problems methodically and work independently on escalated issues. Strong communication and customer service skills with an emphasis on clear documentation. Bachelor’s degree is required. Minimum of 2 years’ experience working with Asterisk, PBX systems, or VoIP technologies. Experience working within an ITIL or service-desk environment. Location: Lahore, with work performed on-site.

Preferred Qualifications and Benefits
Experience supporting enterprise or hosted VoIP environments. Familiarity with platforms such as 3CX, Asterisk, FreePBX, BroadWorks, Teams Phone, Mitel, Cisco, Avaya, or similar systems. Experience configuring SBCs, including AudioCodes, Ribbon, or equivalent devices. Knowledge of SIP providers, carrier networks, and telephone number porting processes. Experience with API integrations and telecom provisioning systems. Relevant networking or VoIP certifications are advantageous. Strong analytical skills, attention to detail, and willingness to mentor junior engineers. Ability to prioritize incidents effectively in a high-pressure environment.

The monthly salary range for this position is Rs90,000 to Rs150,000. This is an excellent opportunity for a motivated VoIP Engineer to advance their career within a challenging and supportive workplace.