5G Interoperability Test Engineer – RAN Air Interface & Lab Testing

5G Interoperability Test Engineer – RAN Air Interface & Lab Testing

Plano TX- 100% onsite

Contract role- 12 months and long term contract

Only w2 Candidates, no c2c

Role Overview

We are seeking a 5G Interoperability Test Engineer to support IODT (Interoperability Device Testing) activities in a lab environment. The role focuses on validating 4G/5G RAN features, analyzing air interface performance, and ensuring end-to-end call processing behavior meets system and customer requirements.

Key Responsibilities

• Perform interoperability (IODT) testing with chipset and device partners in lab environments
• Validate new 4G/5G features across RAN systems, air interface, and call processing flows
• Translate system/feature requirements into detailed test cases and execute validation cycles
• Analyze system performance and evaluate new SW releases and feature enhancements
• Perform deep protocol log analysis for 4G/5G (RRC, MAC, RLC, PDCP, PHY)
• Troubleshoot issues, perform root cause analysis, and support defect resolution
• Prepare detailed test reports and present findings to internal teams and customers
• Support product rollout activities in coordination with cross-functional teams (HQ, SEA, support, logistics)
• Ensure project milestones and customer commitments are met
• Educate customers on new features and system behavior when required
• Perform additional lab/testing-related tasks as needed

Required Skills & Experience

• Strong understanding of wireless systems (PHY, MAC, RLC, RRC, PDCP layers)
• Hands-on experience in 4G/5G RAN, air interface, and call processing
• Experience in system testing, feature validation, and performance analysis
• Strong troubleshooting and protocol log analysis skills
• Experience in lab testing and IODT/IOT environments
• Knowledge of 3GPP standards and ongoing releases
• Understanding of Core and RAN network architecture
• Experience with tools such as XCAL, QXDM, Wireshark, spectrum analyzers, signal generators, channel emulators
• Exposure to EMS systems, network element management, SW upgrades, and MOP validation
• Knowledge of NB-IoT, eMTC, S1/X2 interfaces is a plus
• SW development experience is a plus
• Bachelor’s degree in EE/CS required (Master’s preferred)
• 6–10 years of relevant experience
• Willingness to travel occasionally

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