Radio Frequency Engineer

Job Description – 4G/5G L1 & Radio Software
Job Title: 4G/5G L1 & Radio Software Engineer
Experience: 12+ Years
Location: Delhi / Bangalore
Role Overview:
Looking for an experienced 4G/5G L1 & Radio professional with strong expertise in LTE/NR PHY Layer, DSP, RF and antenna technologies. The role involves designing and implementing PHY algorithms, optimizing L1 performance, mentoring teams, and driving large-scale 4G/5G L1 product development.
Key Responsibilities:
Design and implement LTE/NR PHY algorithms and procedures.
Optimize L1 for latency, throughput and CPU/DSP/GPU/FPGA utilization.
Interface with Radio/RF, L2 and fronthaul subsystems.
Debug PHY issues using logs, IQ captures and lab equipment.
Mentor high-performance L1 teams and drive delivery excellence.
Drive large-scale 4G/5G L1 product development, sustenance and customer support.
Work across eNodeB/gNodeB, vRAN, ORAN and custom platforms.
Communicate with senior internal and external stakeholders.
Mandatory Skills:
LTE/NR PHY Layer
DSP
RF & Antennas
C/C++
MATLAB
MIMO & Beamforming
FEC / LDPC / Turbo Decoding
FFT / IFFT
Channel Estimation & Equalization
Modulation / Demodulation
Complex I/Q Sample Processing
Real-Time Embedded Systems
FPGA / ASIC / GPU Programming
CPRI / eCPRI
L1 Acceleration
Required Experience:
12+ years of PHY/RF software development experience.
Additional experience driving 4G/5G L1 programs.
Strong experience in L1 optimization and radio/PHY development.
Experience with large-scale 4G/5G product development and customer support.
Leadership Requirements:
Ability to mentor and guide high-performance L1 teams.
Experience driving delivery excellence.
Ability to communicate effectively with senior internal and external stakeholders.

Work arrangement
No