RAN Engineer – Subject Matter Expert; 4G​/5G | Telnet Inc Plano, TX

Overview

Job Title: RAN Engineer – Subject Matter Expert (4G/5G)

Company: Telnet Inc.

Location: Plano, Texas, USA (Onsite)

Job Type: Full-Time Contract | 12 Months

Application Method: Send your resume to

Urgency: Immediate requirement

Telnet Inc. is urgently seeking a highly experienced RAN Engineer – SME with deep expertise in 4G and 5G Radio Access Networks. This role is essential in supporting advanced wireless deployments, troubleshooting complex RAN issues, and providing customer-facing technical leadership. The ideal candidate will bring strong protocol knowledge, hands-on RAN experience, and the ability to engage confidently with operator teams.

As the RAN SME, you will provide end-to-end technical support for 4G/5G RAN features, performance tuning, and interoperability across multi-vendor environments. You will engage with customers, analyze KPIs, lead troubleshooting sessions, and guide optimization strategies. This role requires an in-depth understanding of wireless protocols, air interface technologies, and hands-on experience working with live operator networks. You will collaborate with engineering, integration, and field teams to ensure high-quality network performance and service stability.

• Serve as the technical Subject Matter Expert for 4G/5G RAN features and performance
• Analyze RAN KPIs, troubleshoot issues, and recommend optimization actions
• Provide customer-facing technical support during deployment, testing, and acceptance
• Conduct deep-dive investigations on wireless protocol layers (L1–L3)
• Support feature validation, configuration, parameter tuning, and field trials
• Work with integration teams to resolve RAN-related issues and escalations
• Collaborate with engineering teams to improve RAN performance and stability
• Prepare technical reports, analysis summaries, and recommendations for customers

• Proven expertise in 4G LTE and 5G  architecture, protocols, and features
• Strong understanding of L1/L2/L3 wireless protocol stacks
• Experience with RAN troubleshooting tools, traces, logs, and KPI analysis
• Hands-on experience supporting operator-grade LTE/5G deployments
• Excellent customer-facing communication and presentation skills
• Strong problem-solving and analytical abilities

• Experience with multi-vendor environments (Nokia, Ericsson, Samsung, Huawei)
• Knowledge of VoLTE/VoNR performance and call flow analysis
• Experience with field testing, drive test log analysis, or RF optimization
• Understanding of O-RAN architecture and cloud-native RAN elements
• Previous involvement in lab validation or feature certification

Showcase your real-world expertise—include examples of RAN issues you resolved, feature trials you supported, or optimization results you delivered. Quantified improvements (e.g., KPI boosts, call success rate improvements) greatly increase your chances of getting shortlisted.