Senior 4G​/5G RAN Systems Engineer; Call Processing SME

Senior 4G / 5G RAN Systems Engineer (Call Processing SME)

Location:

Plano, Texas

No C2C, Only W2 candidates.

We are seeking a highly experienced RAN Systems Engineer (4G / 5G Call Processing SME) to join a leading wireless network team in Plano, TX. This engineer will serve as the technical expert for 4G / 5G call processing, RAN system design, and performance optimization, working directly with customers to support advanced wireless network deployments and feature development.

• Lead RAN system engineering efforts for 4G / 5G technologies including call processing, scheduling, and feature performance.
• Analyze customer requirements, define detailed system and feature-level requirements, and translate them into design specifications.
• Conduct deep-dive technical discussions with customer RAN development and performance teams.
• Deliver technical proposals, white papers, RFIs / RFPs, network design documentation, and patent filings.
• Drive field integration testing (FIT / FFA / FSA) and troubleshoot scheduler and performance issues across customer labs, field sites, and production networks.
• Review LTE /  KPIs, identify trends, and recommend performance optimization strategies.
• Provide Tier 3 support for 4G / 5G features, system performance, and software acceptance testing.

• 4G / 5G RAN Call Processing
• Deep knowledge of RRC, S1-MME, S1-U, X2 protocols
• Expertise in Hybrid Beamforming, Massive MIMO, New Waveforms, LTE– & 5G Numerologies
• Strong background in performance analysis and scheduler functionality

Minimum:

• Bachelor’s degree in Computer Science or Electrical Engineering
• 8+ years of wireless telecom engineering experience focused on 4G / 5G call processing
• Proficiency in 3
  
  GPP RAN architecture, design, and optimization (LTE / 5G)
• Strong experience in feature design, testing, troubleshooting, and KPI analysis
• Working knowledge of RF antenna technologies and RAN optimization tools
• Ability to travel occasionally for project support

Preferred:

• Master’s degree in a relevant field
• Experience with 3
  
  GPP Rel-15 / 16 features and standards

• Competitive salary
• Health, Dental and Vision Benefits
• Short / Long Term Disability and Critical Care / Illness Protection
• Life Insurance and Retirement Plans
• Employee Assistance Program

Kelly Telecom is an equal opportunity employer and will consider all applications without regard to race, genetic information, sex, age, color, religion, national origin, veteran status, disability, or any other characteristic protected by law.

Vaccination against COVID-19 may be a requirement for this job in compliance with current client and governmental policies. A recruiter will confirm and share more details with you during the interview process.