Job Description

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

Plano Texas- Fully onsite

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.

Key Responsibilities

• 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/NR network KPIs, identify trends, and recommend performance optimization strategies.
• Provide Tier 3 support for 4G/5G features, system performance, and software acceptance testing.

Top Skills

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

Qualifications

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 3GPP 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 3GPP Rel-15/16 features and standards

What you didn’t know about us:

• Competitive salary
• Health, Dental and Vision Benefits
• Short/Long Term Disability and Critical Care/Illness Protection
• Life Insurance and Retirement Plans
• Employee Assistance Program
• With this position, you will get the opportunity to work with our game changing clients and further advance your already valuable experience in the telecom industry!

We are Connectors. We thrive on ‘quality over quantity’ and put in the work building strong relationships. We create connections, discover qualities, uncover skills, and place people with accuracy. We are your true partner!

We are Collaborators. You’ll be working with a wholly-owned subsidiary of Kelly and part of the Kelly Telecom division. It allows us to be as nimble and fiercely competitive as a startup while having the backing of a multibillion dollar publicly traded company which has been in business for 75 years. With direct access to hiring managers, services don’t stop at standard recruiting processes. We use our expertise to improve your application skills and provide ongoing career support.

We give 24/7 Support. We are in this together. We provide around the clock availability, competitive employee benefits, and continuously check-in to make sure things are going smoothly. Check out our Glassdoor page!

• 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. For more information click Equal Employment Opportunity is the law.
• You should know: Your safety matters! 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.
• #JobsAtKellyTelecom

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