4G/5G RAN Test Engineer III

About the role

We are seeking a 4G/5G RAN Test Engineer III for a contract opportunity in Plano, TX with a leading global wireless technology organization. This role will focus on LTE/5G RAN product and feature validation, system testing, protocol analysis, O-RAN, virtualization, and end-to-end network performance. The engineer will work in a customer lab environment validating next-generation wireless products and software releases.

Responsibilities

• 4G/5G RAN product and feature validation
• Wireless protocol and call processing analysis
• O-RAN and inter-vendor radio testing
• Kubernetes and virtualization system integration and test-bed bring-up
• Performance analysis and troubleshooting
• Test planning, documentation, and reporting
• Hands-on lab testing, feature validation, protocol analysis, and troubleshooting
• Collaboration with customers, R&D, engineering, and support teams on product validation, troubleshooting, and new product rollouts

Required Skills & Experience

• 8–10+ years of directly related wireless/RAN engineering experience; Master’s degree with 6+ years preferred
• Bachelor’s degree in Electrical Engineering, Computer Science, or related engineering field
• Strong hands-on experience with 4G LTE and 5G NR RAN
• Strong experience with RAN system testing, product validation, and feature validation
• Strong understanding of 4G/5G air interface and call processing
• In-depth knowledge of PHY, MAC, RLC, PDCP, and RRC layers
• Understanding of DL/UL scheduling, LTE power control, Beamforming, MIMO, and EN-DC
• Hands-on experience with lab testing and IOT/interoperability testing
• Experience with inter-vendor radio testing
• Hands-on experience with O-RAN product validation
• Hands-on experience with Kubernetes and virtualization system integration
• Experience with XCAL, QXDM, Wireshark, and protocol analyzers
• Experience with channel emulators, spectrum analyzers, and signal generators
• Understanding of 3GPP RAN and Core network architecture
• Understanding of S1 and X2 interfaces
• Experience troubleshooting complex RAN, protocol, and performance issues
• Experience with EMS/network element management, software upgrades, and MOP verification

Desired Skills & Experience

• Experience with ongoing 3GPP Release activities
• Experience with eMTC and NB-IoT
• Software development or scripting experience
• Experience developing test strategies, test plans, and detailed test documentation
• Parameter optimization and RAN performance analysis experience
• Strong understanding of both hardware and software architecture
• Customer-facing technical presentation experience
• Experience working with geographically distributed R&D and engineering teams
• Ability to travel sporadically during the project