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Senior RAN Engineer

Job description

Job Title: Senior RAN Engineer (TM500)

Location: Bangalore (Hybrid)
Experience: 10–20 Years
Domain: 5G RAN / Small Cells / Protocol Stack

Job Summary:

We are looking for a Senior RAN Engineer with strong expertise in TM500-based load and performance testing in multi-UE environments. The candidate will work on advanced 4G/5G RAN technologies, focusing on testing, performance optimization, and protocol stack validation.

Key Responsibilities:

  • Perform load and stability testing using TM500 in real multi-UE environments
  • Work on 4G, 5G, IoT, CBRS, and containerized OAM (O1) for indoor and outdoor small cell deployments
  • Lead test strategy, planning, estimation, testbed setup, and execution
  • Conduct end-to-end testing with real UE and network elements, including L3 signaling
  • Analyze and optimize RAN performance parameters across L1, MAC, and RLC layers
  • Support mobility and RF testing using attenuators and RF chambers

Required Skills:

  • Strong experience in TM500 for load and performance testing
  • Deep understanding of 5G SA/NSA architecture and LTE networks
  • Knowledge of 3GPP interfaces: S1, NG, X2/Xn
  • Proficiency in 3GPP protocols: RRC, RLC, MAC
  • Expertise in 5G throughput calculations and frame structures
  • Hands-on experience with real UE/NE lab testing and mobility testing

Preferred:

  • Experience in small cell deployments (indoor/outdoor)
  • Exposure to programmable attenuators and RF lab environments

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