L2-L3 Support Engr

L&T Technology Services
Dallas, United States of America
3 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English

Job location

Dallas, United States of America

Tech stack

4G (Telecommunication)
LTE (Telecommunication)
Linux
Internet Protocol Security (IP SEC)
Python
Laboratory Information Management Systems
Multimedia Messaging Services
OpenStack
System Testing
Wireshark
WebKit
Scripting (Bash/Python/Go/Ruby)
Kubernetes
VMware

Job description

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L2-L3 Support Engr

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Requirements

  • Proven experience with troubleshooting principles, methodologies, and issue resolution techniques in Telecom domain and IMS (4G/5G/LTE) Core networks.
  • Experience in Case Handling, including Emergency Support activities
  • Experience in Conducting root cause analysis and recommend corrective actions to enhance customer experience.
  • Extensive knowledge and expertise in the IMS VoLTE domain including of Nokia IMS Core products including CNCS, Nokia TAS, Nokia SBC, MRF, LIMS, SMSC/MMSC, BMC, Presence Server, UMC, SMS Gateway
  • Competences and Expertise in LTE/5G system validation (end-to-end performance, KPI handling, mobile devices).
  • Deep knowledge and understanding of SIP, Diameter and H.248 Protocols including knowledge of TLS, IPSEC, RTP.
  • Solid experience with Protocol Analyzer Tools (Wireshark) and internal message flow protocols.
  • Knowledge and experience with Linux. Strong scripting skills and ability to automate manual tasks which could be easily converted to a script using shell, python.
  • Knowledge of Kubernetes, VMWare, OpenStack, Kubernetes, CBIS, CBAM, and NCS

Qualification:

  • Engineering Degree

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