RAN Test Engineer - 4G/5G

Requirements:

• Bachelors degree in Electrical Engineering, Computer Science, or a related discipline (mandatory)
• 8-10 years of pertinent experience in wireless/RAN testing, or a Masters degree coupled with 6+ years of experience
• Profound knowledge of 4G LTE and 5G NR technologies, including DL/UL scheduling, power control, beamforming, and MIMO
• In-depth understanding of RAN architecture and air interface technologies, along with protocol stacks: PHY, MAC, RLC, RRC, PDCP
• Familiarity with 3GPP standards and their release cycles
• Experience in system testing, which encompasses validation, test planning, and parameter tuning
• Proficiency in lab and IOT testing environments, along with EMS systems and network element management
• Knowledge regarding software upgrades and MOP validation
• Exposure to NB-IoT, eMTC, and S1/X2 interfaces
• Experience in core and RAN integration
• Desirable: Exposure to software development or automation scripting
• Exposure to multi-vendor environments such as Samsung, Ericsson, and Nokia

Responsibilities:

• Oversee comprehensive validation of LTE and 5G RAN products, emphasizing air interface performance and call processing
• Develop thorough system-level test scenarios based on product and feature requirements
• Conduct validation in both customer labs and internal settings
• Analyze 4G/5G KPIs and performance indicators, along with protocol stack behavior (PHY, PDCP)
• Assess new product features and software updates for performance readiness
• Identify optimization opportunities and spearhead improvement initiatives
• Manage feature validation, IOT testing, and system integration testing
• Carry out root cause analysis and troubleshoot intricate RAN challenges
• Utilize advanced testing tools such as XCAL, QXDM, Wireshark, channel emulators, spectrum analyzers, and signal generators
• Present validation findings, reports, and insights to customers
• Lead technical review meetings and product demonstrations
• Educate customers on new features, functionalities, and best practices
• Ensure successful adherence to customer commitments and delivery timelines
• Collaborate with internal teams across engineering logistics and Samsung HQ & regional units
• Support new product launches, upgrades, and deployments
• Contribute to MOP validation and network element management activities
• Serve as a recognized validation authority, driving solutions in intricate technical arenas
• Communicate confidently with customers, leadership, and global stakeholders
• Adapt and excel in fast-paced environments with evolving priorities
• Maintain a strong analytical mindset to navigate complex systems and organizational structures

Technologies:

• Excel
• IoT
• Support
• Network
• Backbone

More

At TeleWorld Solutions, we pride ourselves on being at the forefront of wireless connectivity innovation. As a trusted partner in developing and enhancing some of the worlds most ambitious wireless networks, we provide not just consultancy but become integral engineers and designers for our clients visions. Our work encompasses everything from expansive macro networks to precise solutions like DAS, Small Cells, and Wi-Fi. With a storied legacy of numerous successful implementations, we guide our clients throughout the networking lifecycle, from initial design to final optimization, ensuring they achieve maximum performance and value. We welcome veterans and veteran spouses to bring their unique skills to our diverse workforce. TeleWorld Solutions is an equal opportunity employer, committed to diversity and inclusivity.

last updated 43 week of 2026