4G/5G RAN Air Interface Sr. Systems Engineer Job at NextGen | GTA: A Kelly Telecom Company, Plano, TX

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  • NextGen | GTA: A Kelly Telecom Company
  • Plano, TX

Job Description

4G/5G RAN Air Interface Sr. Systems Engineer

Onsite - Plano TX

About the Role:

We're looking for a Sr. Systems Engineer with deep expertise in 4G/5G RAN Air Interface technologies to support new product rollouts, performance validation, and hands-on testing of cutting-edge wireless systems. This is a high-impact role within a collaborative and innovative telecom environment.

Key Responsibilities:

  • Lead performance analysis and evaluate new product/software releases
  • Develop and execute test cases to validate 5G air interface features
  • Analyze UE/gNB logs , document test results, and identify optimization opportunities
  • Troubleshoot 4G/5G wireless call protocol issues
  • Educate customers on products and services—individually and as part of a team
  • Work cross-functionally with teams
  • Occasional travel may be required

Required Skills & Experience:

  • 12+ years of experience in the wireless industry
  • Bachelor's in EE, CS , or related field (Master’s a plus)
  • In-depth knowledge of 5G concepts : Hybrid Beamforming, Massive MIMO, NR-LTE interworking, 5G Numerologies
  • Familiarity with 3GPP Release 18/19 is a strong plus
  • Experience with system engineering (requirements, optimization, documentation, testing, troubleshooting)
  • Deep understanding of RAN protocols – PHY, MAC, RLC, RRC, PDCP
  • Tools: XCAL, QXDM, Wireshark , Tableau, protocol analyzers
  • Equipment: Channel Emulators, Spectrum Analyzers, Signal Generators
  • Strong collaboration, communication, and problem-solving skills
  • Software development and architecture understanding is a plus

We are Connectors . We thrive on ‘quality over quantity’ and put in the work building strong relationships. We create connections, discover qualities, uncover skills, and place people with accuracy. We are your true partner!

We are Collaborators . You’ll be working with a wholly owned subsidiary of Kelly and part of the Kelly Telecom division. It allows us to be as nimble and fiercely competitive as a startup while having the backing of a multibillion dollar publicly traded company which has been in business for 75 years. With direct access to hiring managers, services don’t stop at standard recruiting processes. We use our expertise to improve your application skills and provide ongoing career support.

We give 24/7 Support . We are in this together. We provide around the clock availability, competitive employee benefits, and continuously check-in to make sure things are going smoothly. Check out our Glassdoor page!

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