4G/5G RAN Test Engineer IV

TeleWorld Solutions•Plano, TX

About The Position

TeleWorld Solutions is seeking a RAN Test Engineer to validate LTE and 5G NR Radio Access Network technologies. The position combines product validation, performance engineering, and customer engagement, with hands-on work in laboratory and customer environments and collaboration with global teams. The engineer develops and executes product, feature, system, and performance validation for LTE and 5G RAN products, focusing on the air interface, end-to-end performance, and call processing. The role analyzes product requirements, translates them into system test cases, evaluates product and software releases, troubleshoots issues, and reports and presents results to customers. It also involves educating customers on Samsung products and services, coordinating customer commitments and product rollouts with support organizations and cross-functional teams, and leading junior engineers in laboratory testing and system integration. The role calls for strong technical expertise in 4G and 5G wireless systems and protocols, effective presentations and communication across organizational levels, and the ability to solve problems and navigate complex organizations. Sporadic project travel may be required.

Requirements

Undergraduate degree in engineering and 12 or more years of directly related experience.
Bachelor's degree in electrical engineering or computer science.
Good understanding of 4G and 5G concepts, including downlink/uplink scheduling, LTE power control, beamforming fundamentals, MIMO, and ENDC.
Working experience analyzing SA and NRDC features.
Deep knowledge of L1 and L2 layer protocol analysis.
Good understanding of UE and RAN 3GPP specifications.
Good understanding of inter-vendor configurations and interoperability testing scenarios.
Experience with system testing, including feature validation, test-description documentation, parameter optimization, performance analysis, test strategy creation, and troubleshooting.
Strong knowledge of 4G and 5G air-interface and call-processing technologies and network architecture, particularly Radio Access Network.
Good understanding of wireless systems, especially PHY, MAC, RLC, RRC, and PDCP layers.
Experience with EMS systems, managing network elements, software upgrades, and MOP verification.
Understanding of 3GPP core and RAN systems.
Ability to travel sporadically during projects.

Nice To Haves

A master's degree with 10 to 12 years of experience.
Experience with ongoing 3GPP Release 16 and 17 activities.
Laboratory testing and interoperability testing experience.
Experience with software development.
Experience using test tools such as protocol analyzers, XCAL/QXDM, Wireshark, channel emulators, spectrum analyzers, and signal generators.

Responsibilities

Develop and conduct product, feature, system, and performance validation for LTE and 5G RAN products, focusing on the air interface, end-to-end performance, and call processing.
Execute tests in customer laboratories, create reports, and present results to customers.
Analyze product and feature requirements, convert them into system test cases, and execute tests to verify that products meet customer specifications.
Support product and feature performance analysis and evaluate new product and software releases.
Perform detailed analysis of 4G and 5G wireless protocols.
Analyze and troubleshoot issues.
Educate customers individually and in teams about Samsung's new products and services.
Ensure customer commitments are achieved according to plan.
Work with support organizations, logistics, and cross-functional teams from SEA and Samsung HQ on product rollouts and development.
Lead junior engineers in laboratory test execution and system integration.