4G/5G RAN Test Engineer IV

TeleWorld Solutions•Plano, TX

About The Position

TeleWorld Solutions is seeking a senior-level RAN Engineer responsible for the design, implementation, optimization, and maintenance of Radio Access Network systems. The role requires advanced expertise in LTE, 5G, and emerging wireless standards, and includes leading complex projects and supporting network performance and reliability. The position focuses on interoperability testing (IOT) and device chipset feature and protocol validation in partner labs, test execution, performance analysis, issue troubleshooting, and support of lab network elements. The engineer works with partner organizations and cross-functional teams in SEA and Samsung HQ to support new product rollouts and development. Sporadic travel may be required. TeleWorld Solutions is a wireless engineering and consulting firm providing network design, optimization, dimensioning, and deployment services to network operators, OEMs, and tower companies. The company describes itself as veteran-friendly and states that it offers great benefits and is certified as “A Great Place to Work.”

Requirements

Undergraduate engineering degree and 8–10 years of directly related experience; a bachelor’s degree in EE or CS is required.
Good understanding of wireless systems, particularly PHY, MAC, RLC, RRC, and PDCP layers.
Strong knowledge of 4G and 5G air interface, call processing technologies, and network architecture, especially 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 systems, including core and RAN networks.
Understanding of hardware and software architecture.
Experience with test tools such as protocol analyzers, XCAL/QXDM, Wireshark, channel emulators, spectrum analyzers, and signal generators.
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.

Responsibilities

Provide IOT support 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 SS network elements in partner labs, 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 rollouts and development.
Perform other duties as assigned.