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Circet USA • Plano, Texas, United States
Role & seniority: Telecom Network QA Engineer 4, Mid-Senior level; Full-time, staff augmentation
Stack/tools: 4G/5G air interface and RAN; E2E performance; Call processing; lab IODT testing; protocol analysis (3GPP logs); test tools: XCAL/QXDM, Wireshark, Channel Emulator, Spectrum Analyzers, Signal Generators; EMS systems; knowledge of HW/SW architecture; experience with IoT tech (eMTC, NB-IoT) and S1/X2 interfaces
Conduct interop testing with device chipset vendors/partners on new features (air interface, E2E performance, call processing)
Execute IODT tests in the lab with chipset partners; create reports and present findings to customers
Translate product/feature requirements into system test cases, perform performance analysis, troubleshoot issues, and support successful product roll-outs
Undergraduate degree in engineering; 8–10 years related experience (Masters 6+ years preferred); EE/CS
Strong knowledge of 4G/5G air interface and RAN concepts (PHY/MAC/RLC/RRC/PDCP) and core networks
Experience in system testing: feature validation, test description, parameter optimization, performance analysis, troubleshooting
Lab/IODT testing experience; ability to analyze 3GPP protocol logs; proficiency with protocol analysers (e.g., XCAL/QXDM, Wireshark)
3GPP Rel activities experience; SW development experience
EMS/network element management, software upgrades, MOP verification
Company Overview
Circet USA is the leading provider of Network Services in North America, and we're looking for talented professionals to join our team. We specialize in engineering and construction services delivering comprehensive solutions across Inside Plant, Outside Plant, and Wireless networks to meet the evolving infrastructure needs of our customers.
With nearly 50 years of industry experience, we work with major telecom service providers, MSOs, cloud service providers, and utilities. At Circet USA, you'll have the opportunity to make an impact by helping to create customized solutions that address our clients' unique challenges. If you’re passionate about innovation and thrive in a dynamic environment, we’d love to hear from you.
Medical, Dental, and Vision insurance Digital Health & Wellness Support Critical Illness, Accident, & Hospital Insurance Short-term & Long-term disability Group term & Voluntary life insurance Flexible Spending and Health Savings Accounts Paid Time Off & 401K Company Discount Website
Job Summary And Responsibilities
We are seeking a highly skilled and experienced Telecom Network QA Engineer 4 to fulfill a staff augmentation role with Circet USA’s customer.
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.
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 company’s 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 to achieve successful new product roll-outs and developments.
Qualifications
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 Bachelor’s 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
Circet USA is an Equal Opportunity Employer - Veteran/Disabled. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected veteran status or other characteristics protected by law.
Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Industries Telecommunications