🤖 15+ AI Agents working for you. Find jobs, score and update resumes, cover letter, interview questions, missing keywords, and lots more.
Cookies & analytics consent
We serve candidates globally, so we only activate Google Tag Manager and other analytics after you opt in. This keeps us aligned with GDPR/UK DPA, ePrivacy, LGPD, and similar rules. Essential features still run without analytics cookies.
Read how we use data in our Privacy Policy and Terms of Service.
🤖 15+ AI Agents working for you. Find jobs, score and update resumes, cover letter, interview questions, missing keywords, and lots more.
ektello • Plano, Texas, United States
Role & seniority: Network QA Engineer, Mid-Senior level; contract, fully onsite
Stack/tools
4G/5G air interface, Radio Access Network (RAN) architecture; PHY, MAC, RLC, RRC, PDCP
System and performance testing, feature validation, test strategy, problem troubleshooting
Interop testing with device chipset vendors; IODT test execution in lab
Test/diagnostic tools: XCAL/QXDM, Wireshark, Channel Emulators, Spectrum Analyzers, Signal Generators
Experience with protocol log analysis, EMS systems, software/hardware concepts
Top 3 responsibilities
Develop and implement system and performance testing across 4G and 5G technologies
Analyze product/feature requirements and translate into system test cases and execution to meet specs
Perform detailed 4G/5G protocol log analysis, troubleshoot issues, and drive technical solutions with customers
Conduct interop testing with chipset partners; create reports; present findings to customers
Must-have skills
8–10+ years of relevant experience; Bachelor’s in EE/CS (Master's preferred with 6+ years)
Strong knowledge of 4G/5G air interface, call processing, and RAN architecture; expertise in PHY/MAC/RLC/RRC/PDCP
Experience with system testing: feature validation, test documentation, parameter optimization, performance analysis, troubleshooting
Excellent verbal/written communication, independent work capability, customer interactions
Nice-to-haves
Schedule: Fully onsite
Summary
The main function of a network QA engineer is to develop product and feature validation on 4G/5G air interface and call processing technology. The typical network QA engineer will handle systems and performance testing.
Job Responsibilities
develop and implement systems and performance testing across 4G and 5G telecommunications technology.
Analyze the product and feature requirements, converting them into system test cases and execution to ensure product meets customer spec.
Perform detailed analysis of 4G Wireless protocols
Provide in depth technical log analysis and checking network configuration.
Investigate poor performance related issues
Validation expert in driving the technical solutions to customer through complex organizational dynamics
Skills
Verbal and written communication skills, problem solving skills, customer service and interpersonal skills.
Basic ability to work independently and manage one's time.
Strong knowledge in 4G 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
Experience with system testing activities such as feature validation, test description documentation, parameter optimization, performance analysis, test strategy creation, problem troubleshooting
Education/Experience
Bachelor's degree in computer science or a related field required.
Key Responsibilites/Requirements
8-10 years experience required.
Description
Responsible for Interop testing with Device Chipset vendors/partners on new feature validation, systems and performance analysis, on 4G/5G RAN products focusing on Air interface, E2E performance, and Call Processing. Responsible for IODT Test execution in lab with Chipset partners, Report creation and customer presentation. 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 Protocol logs. Responsible for analyzing and troubleshooting the issues Educate our customers on Samsungs new products and services both individually and in a team environment. 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. Other duties as assigned
Requirements
Good understanding of overall Wireless systems with emphasis on PHY, MAC, RLC, RRC and PDCP layers. Undergraduate Degree in engineering with 8-10 years of directly related experience is required. A Masters with 6+ years experience is preferred Bachelors Degree is EE/CS is required Experience with ongoing 3GPP Rel activities is beneficial 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 Working experience in Lab testing and IODT testing is preferred Understanding of IOT technologies including eMTC, NB-IOT,S1 & X2 Interface Experience in EMS systems, managing network elements, software upgrades, MOP verification Experience with SW development is beneficial
Understanding of 3GPP systems: Core and RAN networks Understanding of HW as well as SW architecture Experience with test tools including protocol analyzers, XCAL/QXDM, Wireshark, Channel Emulator, Spectrum Analyzers, Signal Generators, etc. Ability to travel sporadically during the project
Seniority level Mid-Senior level Employment type Contract Job function Engineering and Information Technology Industries Staffing and Recruiting