Senior 4G/5G RAN Test Engineer – On‑Site, Plano

TeleWorld Solutions; Plano (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

Teleworld Solutions in Plano, Texas is seeking an experienced 4G/5G RAN Test Engineer IV with 12+ years in wireless and RAN engineering to lead validation, testing, and performance benchmarking for LTE and NR networks.

You will design and execute test plans, analyze L1/L2 protocols, and work with cross-functional teams using XCAL, QXDM, Wireshark, and RF test equipment to ensure reliability and optimal network performance on-site.

Qualifications

• Bachelor’s degree in Electrical Engineering, Computer Science, or related technical discipline.
• 12+ years of wireless engineering, RAN testing, and protocol validation.
• Strong hands-on expertise in 4G/LTE and 5G/NR architectures and signaling.
• Proficiency in L1/L2 protocols (PHY, MAC, RLC, RRC, PDCP) and 3GPP standards (Rel–11/17).
• Lab testing, interoperability testing, feature validation, and performance troubleshooting.
• Experience with XCAL, QXDM, Wireshark, spectrum analyzers, RF test benches.

Responsibilities

• Design, develop, and execute test plans for 4G/LTE and 5G/NR RAN validation.
• Conduct lab testing, interoperability testing, feature validation, and system integration testing.
• Perform deep protocol and performance analysis across PHY/MAC/RLC/RRC/PDCP.
• Validate SA, ENDC, NRDC, Massive MIMO, beamforming, DL/UL scheduling, and power control.
• Operate RF test tools and diagnostic equipment (XCAL, QXDM, Wireshark, spectrum analyzers, channel emulators).
• Investigate and troubleshoot RAN bugs, signaling anomalies, and performance bottlenecks.
• Collaborate with cross-functional R&D, systems engineering, and client teams.
• Document test methodologies, performance metrics, and validation reports.

Skills

LTE RAN testing

5G NR

L1/L2 protocols

3GPP standards

Lab testing

Wireshark

QXDM

XCAL

Channel emulators

Problem solving

On-site availability

Education

Bachelor’s degree in Electrical Engineering or related

Tools

QXDM

XCAL

Wireshark

Spectrum Analyzers

Channel Emulators

Signal Generators

Job description

Teleworld Solutions in Plano, Texas is seeking an experienced 4G/5G RAN Test Engineer IV with 12+ years in wireless and RAN engineering to lead validation, testing, and performance benchmarking for LTE and NR networks.

You will design and execute test plans, analyze L1/L2 protocols, and work with cross-functional teams using XCAL, QXDM, Wireshark, and RF test equipment to ensure reliability and optimal network performance on-site.