142 applicants

Company

Original Job Post

TeleWorld Solutions · 2 days ago

RAN Test Engineer IV

San Diego, CA

Contract

Onsite

Senior Level

$92K/yr - $131K/yr

10+ years exp

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Responsibilities

Responsible for development of product validation, feature validation, systems and performance analysis, customer review sessions for LTE & 5G RAN products focusing on Air interface, E2E performance, and Call Processing.

Responsible for building test plans for new 3GPP features and validating in lab .

Responsible for L1 and L2 layer protocol analysis from UE and RAN side.

Analyzing the product and feature requirements, converting them into system test cases and execution to ensure product meets customer spec.

Aid in product & feature performance analysis, evaluation of new product & SW releases

Perform detailed analysis of 4G& 5G Wireless Protocols

Responsible for analyzing and troubleshooting the issues

Educate our customers on Samsung’s new products and services both individually and in a team environment.

Lead junior engineers in lab on Test execution and system integration.

Ensures that customer commitments are achieved according to plan.

Works closely with various support organizations, logistics, and cross- functional teams from SEA and Samsung HQ to achieve successful new product roll-outs and developments.

Qualification

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4G & 5G ConceptsSANRDC AnalysisL1L2 Protocol AnalysisUERAN 3GPP SpecificationInter Vendor ConfigurationsSystem TestingAir Interface TechnologiesCall Processing TechnologiesNetwork ArchitectureWireless SystemsPHYMACRLCRRCPDCP Layers3GPP SystemsTest Tools3GPP Rel 16 & 17Lab TestingIOT TestingEMS SystemsNetwork Elements ManagementSoftware UpgradesMOP VerificationSW Development

Required

Undergraduate Degree in engineering with 12+ years of directly related experience is required. A Masters with 10 to 12 years’ experience is preferred

Bachelor’s Degree is EE/CS is required

Good understanding of 4G & 5G concepts such as DL/UL scheduling, LTE power control, Beamforming fundamentals, MIMO, ENDC

Working experience in analyzing SA and NRDC features

Deep knowledge of L1 and L2 layer protocol analysis

Good understanding of UE, RAN 3GPP specification

Good understanding of Inter vendor configurations and IOT scenario

Experience with system testing activities such as feature validation, test description documentation, parameter optimization, performance analysis, test strategy creation, problem troubleshooting

Strong knowledge in 4G& 5G air interface and call processing technologies and network architecture specifically focused on Radio Access Network

Good understanding of overall Wireless systems with emphasis on PHY, MAC, RLC, RRC and PDCP layers

Strong understanding of 3GPP systems: Core and RAN networks

Experience with test tools including protocol analyzers, XCAL/QXDM, Wireshark, Channel Emulator, Spectrum Analyzers, Signal Generators, etc.

Ability to travel sporadically during the project