4G/5G RAN Test Engineer IV | Teleworld Solutions | Plano, TX

Position Summary:

Teleworld Solutions is actively seeking an experienced, high-caliber, and technical 4G/5G RAN Test Engineer IV with 12+ years of progressive professional experience in wireless and radio access network (RAN) engineering to join our advanced testing and validation team on a full-time permanent on-site basis in Plano, Texas. In this critical testing and system validation role, you will be responsible for leading complex LTE and 5G RAN feature validation, protocol analysis, and end-to-end performance benchmarking. You will leverage your deep specialist expertise in L1/L2 protocols, 3GPP specifications, SA/ENDC architectures, and advanced RF test equipment to deliver uncompromised network reliability, high performance, and operational excellence. This opportunity offers competitive compensation, executive technical visibility, and exceptional career growth prospects within a premier global telecommunications engineering and consulting enterprise.

Detailed Job Description:

As a 4G/5G RAN Test Engineer IV supporting Teleworld Solutions in Plano, Texas, you will take full operational, tactical, and technical ownership of advanced wireless network testing, protocol verification, feature validation, and performance optimization across mission-critical 4G/LTE and 5G/NR systems. Your day-to-day responsibilities include designing, developing, and executing comprehensive test plans and test cases for lab testing, IOT/interoperability testing (IOT), and field trials, conducting rigorous system testing, feature validation, and troubleshooting for advanced 4G and 5G radio access network architectures, performing deep-dive protocol and performance analysis across Layer 1 and Layer 2 protocols including PHY, MAC, RLC, RRC, and PDCP, evaluating standalone (SA), non-standalone (ENDC), New Radio Dual Connectivity (NRDC), massive MIMO, beamforming, downlink/uplink scheduling, and power control mechanisms, utilizing industry-standard test tools such as XCAL, QXDM, Wireshark, spectrum analyzers, signal generators, and channel emulators, collaborating closely with cross-functional software development, systems engineering, and client stakeholder squads, preparing comprehensive technical documentation of test reports, anomaly logs, and validation runbooks.

Key Responsibilities:

• Design, develop, execute, and document comprehensive test plans and test cases for 4G/LTE and 5G/NR RAN validation.
• Conduct rigorous lab testing, IOT/interoperability testing, feature validation, and system integration testing.
• Perform deep-dive protocol and performance analysis across Layer 1 and Layer 2 protocols (PHY, MAC, RLC, RRC, PDCP).
• Validate advanced wireless features including SA, ENDC, NRDC, Massive MIMO, beamforming, DL/UL scheduling, and power control.
• Operate advanced wireless test tools and diagnostic equipment including XCAL, QXDM, Wireshark, spectrum analyzers, and channel emulators.
• Investigate, isolate, and troubleshoot complex radio access network bugs, signaling anomalies, and performance bottlenecks.
• Collaborate seamlessly with cross-functional R&D, systems engineering, and client telecommunications squads.
• Maintain accurate, comprehensive technical documentation of test methodologies, performance metrics, and validation reports.

Required Qualifications & Skills:

• Bachelor’s degree in Electrical Engineering, Computer Science, or a related technical discipline.
• Minimum of 12+ years of progressive professional experience in wireless engineering, RAN testing, and protocol validation.
• Strong, demonstrable hands‑on professional expertise in 4G/LTE and 5G/New Radio (NR) network architectures and signaling.
• Comprehensive working knowledge and practical proficiency in L1/L2 protocols (PHY, MAC, RLC, RRC, PDCP) and 3GPP standards (Rel–11/17).
• Deep practical experience in lab testing, IOT/interoperability testing, feature validation, and performance troubleshooting.
• Solid practical experience utilizing advanced RF test tools and diagnostic software (XCAL, QXDM, Wireshark, Spectrum Analyzers).
• Practical hands‑on experience with channel emulators, signal generators, and RF test bench environments.
• Exceptional analytical, troubleshooting, debugging, and problem‑solving capabilities under high‑pressure conditions.
• Mandatory legal work eligibility and physical availability for full‑time on‑site professional operations in Plano, Texas.

Nice‑to‑Have Skills:

• Professional ce