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Cellular Signaling Software Engineer

ID:  1354
Function:  Engineering
Location: 

Arlington Heights, IL, US


Position Summary:

 

Work on 5G NR FR1 & FR2, LTE-Advanced, LTE FDD, LTE TDD, WCDMA & GSM Signaling protocols. Design and develop Cellular Software applications and test/integrate with the latest mobile devices. Ready to travel domestic and international 10%-20% of the time. 
Position is based in Arlington Heights, Illinois.

Responsibilities

  • Work on 5G NR FR1 & FR2, LTE-Advanced, LTE FDD, LTE TDD, WCDMA & GSM Signaling protocols. Design and develop Cellular Software applications and test/integrate with the latest mobile devices. 
  • Debugging eNB logs analysis, UE analysis, Core Network analysis, clear communication as role needs multiple teams interaction. Responsible for end-to-end performance assurance to ensure company’s 4G and 5G products (DU, RU, CU and AU) are fully compliant with 3GPP requirements.
  • Ready to travel domestic and international 10%-20% of the time.

Basic Qualifications & Skills

  • Bachelors or Masters in Computer Science or Computer Engineering or Electrical Engineering.
  • Minimum 8-10 years experience in developing, debugging, integrating & testing 5G, LTE Protocol Stacks with expertise in Layers 1, 2 & 3. 
  • Knowledge with using QXDM, QCAT with mobile devices preferred. 
  • Debugging eNB logs analysis, UE analysis, Core Network analysis is needed.
  • Must have 4G/5G Call Processing experience with In depth knowledge of RRC, S1-MME, S1-U, X2, RLC, MAC, PHY protocols and understanding of concepts such as Hybrid Beamforming, Massive MIMO, New Waveforms, LTE-NR interworking & co-existence, 5G Numerologies etc. 
  • Experienced and fluent with 3GPP RAN product architecture, familiar with RLC/MAC layer, different types of control channel and traffic channels, network access procedures, power control, handover algorithms, QoS types, TDD/FDD modes, HARQ/ARQ concepts, etc. Good understanding of scheduler functionality is beneficial. 
  • Thorough understanding of 3GPP specification for LTE/LTE-A/5G features and Protocols, experience with ongoing 3GPP Rel-15/16 activities is beneficial. 
  • Excellent verbal and written communication skills to communicate key technical concepts within organization and in customer meetings is preferred. 
  • Ready to travel domestic and international 10%-20% of the time. 

Programming Skill set:

  • C, C++, Linux/Unix (CentOS, Ubuntu), Windows OS, Debugging tools.

#LI-MMLP

 

About Litepoint

LitePoint creates wireless test solutions and services for the world’s most innovative wireless device makers, helping them to ensure their products perform for today’s demanding consumers. A leading innovator in wireless testing, LitePoint products come out of the box ready to test the most widely used wireless chipsets in the world. LitePoint works with the leading makers of smartphones, tablets, PCs, wireless access points and chipsets. LitePoint is also at the forefront of testing the burgeoning world of connected devices…the Internet of Things. Headquartered in Silicon Valley, California and with offices around the world. LitePoint is a wholly owned subsidiary of Teradyne (NYSE: TER), a leading supplier of automation equipment for test and industrial applications. In 2019, the combined corporation had revenue of $2.3 billion and employs approximately 5,500 people worldwide.


Nearest Major Market: Chicago

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