4G/5G RAN Test Engineer IV

TeleWorld Solutions Inc•Plano, TX

About The Position

TeleWorld Solutions is seeking a senior-level RAN Engineer IV to design, implement, optimize, and maintain Radio Access Network (RAN) systems. The role requires advanced expertise in wireless technologies, including LTE, 5G, and emerging standards. The engineer will support interoperability testing (IOT) and device chipset feature and protocol validation in partner labs, analyze performance and wireless protocol logs, troubleshoot network issues, and help maintain lab network elements. The position also involves working with support organizations and cross-functional teams in SEA and Samsung HQ to support successful product roll-outs and development. TeleWorld Solutions is a wireless engineering and consulting firm providing network operators, OEMs, and tower companies with design, optimization, network dimensioning, and deployment services. Its work spans macro, DAS, small-cell, and Wi-Fi implementations, as well as planning, design, management, measurement, and monetization across the network lifecycle. The company describes itself as veteran-friendly and states that it offers great benefits and is certified as a Great Place to Work.

Requirements

Bachelor’s degree in electrical engineering or computer science is required.
An undergraduate engineering degree and 8–10 years of directly related experience are required.
Good understanding of wireless systems, especially PHY, MAC, RLC, RRC, and PDCP layers.
Strong knowledge of 4G and 5G air interface, call processing technologies, and network architecture, with a focus on RAN.
Experience with system testing activities, including feature validation, test-description documentation, parameter optimization, performance analysis, test-strategy creation, and troubleshooting.
Understanding of IOT technologies, including eMTC, NB-IOT, and S1 and X2 interfaces.
Experience with EMS systems, network-element management, software upgrades, and MOP verification.
Understanding of 3GPP core and RAN systems and of hardware and software architecture.
Ability to travel sporadically during the project.

Nice To Haves

A master’s degree with 6 or more years of experience is preferred.
Experience with ongoing 3GPP Release activities is beneficial.
Working experience in lab testing and IODT testing is preferred.
Experience with software development is beneficial.
Experience with test tools such as protocol analyzers, XCAL/QXDM, Wireshark, channel emulators, spectrum analyzers, and signal generators.

Responsibilities

Support IOT in partner labs for device chipset feature validation, protocol validation, and performance analysis.
Execute IOT tests in labs with chipset partners, create reports, and present results to customers.
Maintain partner-lab SS network elements, including troubleshooting, configuration changes, software upgrades, and RMA activities.
Perform detailed analysis of 4G and 5G wireless protocol logs.
Analyze and troubleshoot issues.
Work with support organizations, logistics, and cross-functional teams from SEA and Samsung HQ to support new product roll-outs and development.
Perform other duties as assigned.