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

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

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 certifications such as Professional Engineer (PE), Cisco Certified Network Professional, or advanced wireless telecommunications credentials.
• Prior professional working experience in top‑tier tier‑1 mobile network operators (MNOs), telecom equipment vendors, or advanced R&D laboratories.
• Hands‑on familiarity with cloud‑native core architectures, Open RAN (O‑RAN) principles, and automated test scripting (Python, TCL).
• Experience utilizing enterprise bug tracking and test management platforms (Jira, HP ALM, TestRail).
• Exposure to advanced RF optimization, drive test post‑processing, and machine learning analytics applied to wireless testing.

Application Information:

• Salary/Rate: Market Competitive / Enterprise Telecom Package
• Deadline: Open until filled (Urgent Plano 4G/5G RAN Testing Opening)
• Notice Period: Immediate to 30 Days Preferred
• Contract Duration: Permanent / Full-Time On-Site Engagement (Plano, TX)
• Company Website: https://www.teleworldsolutions.com

Recruitment Pro Tip:

When applying for this 4G/5G RAN Test Engineer IV position through Teleworld Solutions, ensure your resume explicitly highlights your QXDM/XCAL protocol analysis portfolio, details your L1/L2 (PHY/MAC/RLC/RRC) troubleshooting experience, and confirms your Plano on‑site availability.