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Cellular Test Engineer (RAN / Device Testing)

Irving, TX, US • Posted 6 hours ago • Updated 6 hours ago

Contract W2

12 Months

No Travel Required

On-site

$55 - $60/hr

Fitment

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Job Details

Skills

Test Execution & Validation: Plan
develop
and execute functional
performance
throughput
mobility
and regression test cases for 5G NR (SA/NSA
FR1/FR2) and 4G LTE devices. Protocol & RAN Analysis: Analyze protocol logs across PHY
MAC
RLC
PDCP
RRC
and NAS layers. Troubleshoot call drops
handover failures
throughput degradation
beam management
and paging issues. Lab & Test Bench Management: Set up
configure
and maintain RF test benches
network emulators
channel emulators
and shielding chambers (anechoic/reverberation). Field & Drive Testing: Plan and perform field testing
drive testing
and carrier acceptance validation; analyze drive test logs against network KPIs. Test Automation: Design
build
and maintain automated test scripts and CI/CD pipelines to streamline regression testing and test bench instrumentation. Cross-Functional Collaboration: Partner closely with baseband hardware
firmware
software development
and carrier certification teams to report
triage
and verify bug fixes. Standards Compliance: Review and apply evolving 3GPP standards (Release 15/16/17+) and carrier-specific test requirements to internal validation strategies.

Test Execution & Validation: Plan
develop
and execute functional
performance
throughput
mobility
and regression test cases for 5G NR (SA/NSA
FR1/FR2) and 4G LTE devices. Protocol & RAN Analysis: Analyze protocol logs across PHY
MAC
RLC
PDCP
RRC
and NAS layers. Troubleshoot call drops
handover failures
throughput degradation
beam management
and paging issues. Lab & Test Bench Management: Set up
configure
and maintain RF test benches
network emulators
channel emulators
and shielding chambers (anechoic/reverberation). Field & Drive Testing: Plan and perform field testing
drive testing
and carrier acceptance validation; analyze drive test logs against network KPIs. Test Automation: Design
build
and maintain automated test scripts and CI/CD pipelines to streamline regression testing and test bench instrumentation. Cross-Functional Collaboration: Partner closely with baseband hardware
firmware
software development
and carrier certification teams to report
triage
and verify bug fixes. Standards Compliance: Review and apply evolving 3GPP standards (Release 15/16/17+) and carrier-specific test requirements to internal validation strategies.

Summary

Title: Cellular Test Engineer (RAN / Device Testing)

Location: Remote

Client: Verizon

Job Responsibilities

Test Execution & Validation: Plan, develop, and execute functional, performance, throughput, mobility, and regression test cases for 5G NR (SA/NSA, FR1/FR2) and 4G LTE devices.
Protocol & RAN Analysis: Analyze protocol logs across PHY, MAC, RLC, PDCP, RRC, and NAS layers. Troubleshoot call drops, handover failures, throughput degradation, beam management, and paging issues.
Lab & Test Bench Management: Set up, configure, and maintain RF test benches, network emulators, channel emulators, and shielding chambers (anechoic/reverberation).
Field & Drive Testing: Plan and perform field testing, drive testing, and carrier acceptance validation; analyze drive test logs against network KPIs.
Test Automation: Design, build, and maintain automated test scripts and CI/CD pipelines to streamline regression testing and test bench instrumentation.
Cross-Functional Collaboration: Partner closely with baseband hardware, firmware, software development, and carrier certification teams to report, triage, and verify bug fixes.
Standards Compliance: Review and apply evolving 3GPP standards (Release 15/16/17+) and carrier-specific test requirements to internal validation strategies.

Required Qualifications

3–6+ years of hands-on experience in cellular system testing, mobile protocol verification, or RAN integration.
Solid understanding of 3GPP specifications (5G NR Release 15/16/17, LTE Advanced Pro).
Comprehensive understanding of RAN architecture (gNB, eNB, CU/DU split, Open RAN / O-RAN concepts).
Strong knowledge of L1/L2/L3 protocol procedures (Random Access, Cell Selection/Reselection, Handover/Mobility, Beamforming, Carrier Aggregation, Dual Connectivity [EN-DC/NR-DC]).
Hands-on experience with wireless test sets and network emulators (e.g., Keysight UXM, Rohde & Schwarz CMX500/CMW500, Anritsu MT8821C/MT8000A, Spirent).
Proficiency with log analysis and diagnostic tools (e.g., Qualcomm QXDM/QCAT, Shannon DM, Wireshark, Accuver XCAL/XCAP, TEMS Investigation).
Spectrum analyzers, power meters, RF attenuator matrices, and RF switches.
Proficiency in Python for test automation, log parsing, and instrument control (SCPI, VISA).
Experience with version control systems (Git) and bug-tracking tools (Jira).

Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Dice Id: 91142794
Position Id: 9135992
Posted 6 hours ago

Company Info

About SSTech LLC

SSTech LLC specializes in IT consulting, focusing on understanding client needs and providing skilled professionals to meet those requirements. Whether it’s through project-based consulting, staff augmentation, or full-scale IT solutions, the firm likely works closely with clients to identify technology gaps and deliver the right talent and expertise.

SSTech LLC is a dynamic and rapidly growing IT staffing and consulting firm headquartered in Irving, TX. With years of experience in the industry, we specialize in delivering innovative technology solutions and augmenting our clients’ IT teams with top-tier professionals. We pride ourselves on our commitment to integrity, honesty, and excellence in service.

Founded on the core values of integrity, technological insight, and customer satisfaction, SSTech LLC has built a reputation for providing reliable, high-quality IT staffing solutions. Our team works closely with clients to understand their unique needs and ensure that the right talent is deployed at the right time, empowering businesses to achieve their technology goals.Whether you’re looking to expand your IT staff, implement a cutting-edge technology solution, or need specialized expertise for a critical project, SSTech LLC is your trusted partner in success

SSTech LLC provides premier IT staffing services designed to help businesses develop and deploy innovative IT solutions that reduce costs and enhance performance across large enterprises worldwide. Our primary focus is on building mission-critical business applications engineered for optimal performance, scalability, and reliability.

With a deep understanding of the complexities facing modern enterprises, SSTech LLC ensures that our IT solutions not only meet the current needs of our clients but are also flexible and scalable to adapt to future demands. We specialize in delivering high-performance systems that are built to scale predictably, while maintaining the highest levels of reliability, security, and efficiency.

Whether you’re looking to streamline operations, enhance productivity, or develop cutting-edge applications, SSTech LLC is your trusted partner for building technology solutions that power business success on a global scale.

We are driven by core value and we are confident that when you select us as your IT Business Solutions Partner, we help businesses to move forward , faster by combining deep industry experience and frictionless technology delivery. Businesses today require transformational change at a scale and speed that defies traditional ways of working. We spark change through our digital transformation hub that delivers deep digital engineering and industry expertise through client-specific and integrated agile scrum teams.The SSTech LLC team is focused on delivering customer satisfaction by providing world-class IT services to the dynamic and developing high-technology market

SSTech LLC is a dynamic and fast growing company with headquarters in Dallas, Texas, USA. Through close relationships with partners , SSTech LLC has an extended presence in India.

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Contact the job poster

Balu Suddamalla

Sr Recruiter @ SSTech LLC

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