Nokia—Fault Management L1 Engineer

Job description

Description: 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. Requirements: 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. Responsibilities: - 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.