4G/5G RAN Test Engineer IV
About The Position
TeleWorld Solutions is seeking a RAN Test Engineer IV to validate next-generation LTE and 5G NR Radio Access Network technologies. The role combines product and feature 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 validation and system tests, analyzes wireless protocols and product performance, troubleshoots issues, and presents findings to customers. The role also supports product releases and rollouts, educates customers on Samsung products and services, and leads junior engineers in lab test execution and system integration. Sporadic travel may be required.
Requirements
- Undergraduate engineering degree and 12 or more years of directly related experience; a bachelor's degree in Electrical Engineering or Computer Science is required.
- 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 in system testing activities, including feature validation, test-description documentation, parameter optimization, performance analysis, test-strategy creation, and problem troubleshooting.
- Strong knowledge of 4G and 5G air-interface and call-processing technologies and network architecture, particularly Radio Access Networks.
- 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.
- 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 10 to 12 years of experience.
- Experience with ongoing 3GPP Release 16 and 17 activities.
- Laboratory testing and interoperability testing experience.
- Software development experience.
- Understanding of 3GPP core and RAN networks.
Responsibilities
- Develop and conduct product and feature validation, systems and performance analysis, and customer review sessions for LTE and 5G RAN products, with a focus on 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 and convert them into system test cases; execute tests to ensure products meet customer specifications.
- Support product and feature performance analysis and evaluation of new product and software releases.
- Perform detailed analysis of 4G and 5G wireless protocols.
- Analyze and troubleshoot issues.
- Educate customers on Samsung products and services, individually and in team settings.
- Ensure customer commitments are achieved according to plan.
- Work with support organizations, logistics teams, and cross-functional teams from SEA and Samsung HQ to support product rollouts and development.
- Lead junior engineers in laboratory test execution and system integration.
Benefits
- The posting states that the company provides great benefits, but does not specify them.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
