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Fault Management L1 Engineer

Hiring from
India
Work type
Hybrid
Posted
Sep 29, 2026
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The Fault Management L1 Engineer 3 will be responsible for the operations and maintenance of our Core IMS Network, ensuring optimal performance and troubleshooting any issues that arise. This role requires end-to-end knowledge and coordination skills, as you will be handling call-related issues and collaborating with other teams for analysis and resolution. You will also be involved in customer complaint handling, trace capturing, and analysis, utilizing tools like Wireshark.
  • Perform O&M and optimization of core network technologies, including SBC, TAS, CFX, and Cloud.
  • Coordinate and collaborate with the IMS Network team, especially for SBC-related call issues, and work with the Hub location for TAS/CFX analysis.
  • Troubleshoot, monitor, and trace interfaces using Wireshark or internal system logs to identify and resolve issues.
  • Handle customer complaints, capture and analyze Wireshark traces, and provide timely solutions.
  • Ensure smooth operations and maintenance of the Core IMS Network, including router and NT HLR management.
  • Stay updated with 4G VOLTE and LTE network technologies, understanding call flows and protocols.
  • Coordinate with various teams, including Planning, Customer Care, and Solutions, to ensure seamless operations.
  • Escalate and manage emergency situations effectively, following established protocols.
  • Maintain a strong understanding of interfaces and protocols such as SIP, DIAMETER, DNS, ISUP, MAP, and INAP.

Must Have:

  • Bachelor's degree with 6-10yrs of experience in SBC, TAS, CFX, Router, and NT HLR.
  • Strong knowledge of IMS Networks and SBC technologies, including troubleshooting call-related issues.
  • Proficiency in Wireshark for trace capture and protocol analysis.
  • Experience in 4G VoLTE and LTE network technologies, including call flows and signaling protocols.
  • Relevant telecom/networking certifications or a degree in Networking, Telecommunications, or a related field.

Nice-to-Have:

  • Prior experience in a similar telecom operations/support role.
  • Proactive, self-motivated mindset with a commitment to continuous learning and professional development.

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