RAN Systems Architect – LTE/5G Performance & Tuning

Socket.dev; Plano (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Socket.dev in Plano, TX is seeking an experienced LTE RAN Performance Engineer to elevate 4G/5G network performance. You will evaluate KPIs, run trials, and tune parameters across Samsung platforms to meet SLAs during site deployments and operations.

The role requires a Bachelor's degree and 5 years of telecom engineering experience, with deep work in 4G/5G call processing (RRC, S1-MME, S1-U, X2), RF technologies, MIMO, and multi-vendor interfaces. Travel up to 10% may be required.

Qualifications

• Bachelor’s degree plus 5 years of progressively responsible post-baccalaureate experience in telecommunications/engineering.
• Experience in 4G/5G call processing including RRC, S1-MME, S1-U, X2, RLC, MAC, PHY protocols.
• Knowledge of LTE/VoLTE and 5G technologies and 3GPP RAN architectures.
• Experience with RF antenna technologies, network optimization, MIMO, and New Waveforms for LTE-NR interworking.
• System engineering activities including requirements, documentation, parameter optimization, performance analysis, and troubleshooting.

Responsibilities

• Improve LTE RAN network performance by evaluating and trending KPIs and performance trials.
• Troubleshoot and resolve issues in Samsung 4G/5G products to meet SLAs during site deployments or site swaps.
• Address customer tickets in predefined SLAs and ensure end-to-end performance compliance.
• Lead technical discussions on Samsung products/scheduler features with RAN groups and customer teams.
• Develop product and feature requirements, perform performance analysis, and present detailed reports.
• Collaborate with HQ development and cross-functional teams to resolve issues and align with customer requirements.
• Prepare RCA sessions and ensure issue resolution across multi-vendor interfaces (Open CPRI/ORAN, S1-MME, S1-U, X2).
• Travel up to 10% domestically for product rollouts, team meetings, and customer engagements.
• No sponsorship available for this position.

Skills

telecommunications engineering

4G/5G call processing

LTE/VoLTE & 5G

3GPP RAN

RF antenna technologies

Massive MIMO

System engineering activities

Education

Bachelor’s degree in Computer Networks, Electronics and Communications Engineering, Electronics Engineering, Electrical Engineering, Computer Science, Telecommunications Engineering, a related field, or foreign equivalent

Job description

Socket.dev in Plano, TX is seeking an experienced LTE RAN Performance Engineer to elevate 4G/5G network performance. You will evaluate KPIs, run trials, and tune parameters across Samsung platforms to meet SLAs during site deployments and operations.

The role requires a Bachelor's degree and 5 years of telecom engineering experience, with deep work in 4G/5G call processing (RRC, S1-MME, S1-U, X2), RF technologies, MIMO, and multi-vendor interfaces. Travel up to 10% may be required.