Senior RAN Engineer: 4G LTE & 5G NR Expert

NextGen | GTA: A Kelly Telecom Company; Plano (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

NextGen | GTA: A Kelly Telecom Company is seeking a senior wireless systems engineer with deep LTE/5G NR expertise to drive requirements, architecture, and field testing across carrier projects. You will translate customer needs into detailed specs for development teams and lead performance analysis of new releases.

Ideal candidates have 12+ years in wireless, a strong foundation in PHY/MAC/RLC/RRC/PDCP, and hands-on experience with test tools (XCAL, QXDM, Wireshark). Travel is required.

Qualifications

• 12+ years of wireless/telecommunications industry experience.
• Bachelor's degree in Electrical Engineering, Computer Science, or related field; advanced degree is a plus.
• Strong knowledge of 4G LTE and 5G NR air interface, RAN architecture, and call processing.
• Strong understanding of PHY, MAC, RLC, RRC, and PDCP protocol layers.
• Knowledge of 5G technologies including Massive MIMO, Hybrid Beamforming, 5G Numerology, New Waveforms, 5G SA/NSA.
• Understanding of 3GPP systems and Core/RAN network architecture.
• Experience with system engineering activities such as: feature requirement identification, parameter optimization, performance analysis, troubleshooting.
• Experience with 3GPP Release 15/16 is preferred.
• Experience with wireless test and troubleshooting tools such as XCAL, QXDM, Wireshark, and Channel Emulator is highly desirable.
• Understanding of both hardware and software architecture.
• Software development experience is a plus.

Responsibilities

• Develop product, feature, and system requirements based on customer and network requirements.
• Analyze customer requirements and translate them into detailed system requirements and design specifications for development teams.
• Perform product and feature performance analysis and evaluate new product and software releases.
• Analyze and troubleshoot detailed 4G LTE and 5G NR call flows and wireless protocols.
• Support chipset interoperability and IODT testing and troubleshoot technical issues through lab and field trials.
• Support new technology and virtualized network introductions.
• Provide technical expertise during pre-sales activities and develop technical solutions aligned with customer requirements.
• Work directly with carrier customers to explain complex technical designs, capabilities, and network solutions.
• Conduct technical presentations and educate customers on new wireless products, features, and services.
• Support successful product deployments, new product rollouts, lab testing, and field trials.
• Collaborate with sales, engineering, R&D, logistics, support organizations, and Samsung HQ teams.
• Assist in resolving technical and project issues while maintaining customer commitments and timelines.
• Travel periodically to support customer meetings, testing, and project activities.

Skills

LTE/5G NR knowledge

RAN architecture

Call processing

3GPP systems

Hardware and software architecture

Software development

Lab testing and troubleshooting

Education

Bachelor's degree in Electrical Engineering or Computer Science

Tools

XCAL

QXDM

Wireshark

Channel Emulator

Job description

NextGen | GTA: A Kelly Telecom Company is seeking a senior wireless systems engineer with deep LTE/5G NR expertise to drive requirements, architecture, and field testing across carrier projects. You will translate customer needs into detailed specs for development teams and lead performance analysis of new releases.

Ideal candidates have 12+ years in wireless, a strong foundation in PHY/MAC/RLC/RRC/PDCP, and hands-on experience with test tools (XCAL, QXDM, Wireshark). Travel is required.