Member of Technical Staff - III, Technical Support

Specializes in providing assistance to field engineers, technicians, and product support in diagnosing, troubleshooting, repairing and debugging complex systems (e.g., electro/mechanical equipment, computer, complex software, or networked and wireless systems).

Key Responsibilities

• Provide technical support for RAN, PACO and IMS products of Mavenir.

• Monitor Packet Core network elements to ensure high availability, performance, and reliability

• Proactively identify and resolve issues affecting data, voice (VoLTE), and signaling traffic

• Perform 24/7 L2/L3 operational support as per shift or on-call requirements

• Troubleshoot signaling and user-plane issues involving GTP-C / GTP-U, Diameter, SIP, HTTP/2 (5G SBA interfaces)

• Analyze interfaces such as S1, S5/S8, N2, N3, N4, N6, N11, Gy/Gx

• Use protocol analyzers and traces to diagnose complex network problems

  Job Requirements

• 10+ yrs of overall exp. Bachelor's degree in Engineering (Telecommunications, Electronics, Computer Science, or equivalent)

• Relevant telecom certifications (preferred but not mandatory):

• 3GPP / LTE / 5G Core certifications

• Strong understanding of LTE / EPC architecture, including: MME, SGW, PGW, HSS, PCRF

• Working knowledge of 5G Core architecture, including: AMF, SMF, UPF, UDM, AUSF, PCF, NRF

• Hands-on experience supporting data, signaling, and control plane issues

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