Job Description

As a Technical Specialist, the incumbent will work independently to resolve complex issues in VoIP-related products, including FTTx, Access Gateway, Softswitch, and IMS. Using expertise in VoIP protocols (SIP, H.248, T38, RTP) and testing tools, the incumbent will contribute to the design, development, and troubleshooting of hardware/software systems while providing leadership and training to junior staff.

• Lead small projects, using your technical expertise to contribute to process improvements and ensure effective problem resolution.
• Troubleshoot complex VoIP-related issues and deliver high-quality solutions based on your strong knowledge of SIP, H.248, RTP, and other protocols.
• Transfer your deep technical knowledge to less experienced personnel, offering leadership and training to strengthen the team's capabilities.
• Develop automation skills with Python, Shell and frameworks like Robot and Selenium to enhance test efficiency.
• Apply your analytical and problem-solving skills to resolve customer trouble tickets quickly and effectively.
• Gain hands-on experience in testing VoIP-related products, including FTTx, Access Gateway, and Softswitch, in addition to exposure to new technologies.
• Collaborate with cross-functional teams to understand customer requirements and contribute to technical documentation and change management processes.

You have

• Education: Bachelor or above, telecommunication, electronic engineering, computer science, or related major preferred
• 3+ years Experience in VoIP related product testing ( FTTx, Access gateway, softswitch or IMS).
• Strong technical background of VoIP related protocols, such as SIP, H.248, T38, RTP, etc Familiar with voice test instrument, such abacus, fax/modem
• Core knowledge in IMS, VoLTE, VoIP, SIP Testing domain , voice quality/QoS, DSP ,Voice codecs, RTP/RTCP, RFC2833” and Management protocols: OMCI, TR098/TR104.
• Good Understanding RJ11, Z-interface specs.
• Hands of Experience in Testing / Traffic Simulation Tools (Spirent/Voice Testing tool)
• Exposure to Test Automation, hands on experience in automation development in Python & Shell and automation frame work , like Robot, Selenium.,
• Strong Knowledge in Testing Concepts & Methodologies, Test Strategy & Test Plan.

Nice to have

• Analytical skills and problem-solving aptitude
• Understanding of IPV4/IPV6 addressing and TCP/IP and basic understanding of L2/L3 routing.
• Working on GPON technologies is added advantage.

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If you’re interested in this role but don’t meet every listed requirement, we still encourage you to apply. Unique backgrounds, perspectives, and experiences enrich our teams, and you may be just the right candidate for this or another opportunity.

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