Job Description
5G Physical Layer (L1) Engineer – RAN/UE Company: Vloforce Solutions

Location:
Gurgaon / Bangalore

Experience:
3–8 Years Employment Type: Full time Job Overview Vloforce Solutions is looking for experienced and passionate 5G Physical Layer (L1) Engineers with solid expertise in 4G LTE and 5G NR technologies. The ideal candidate should have hands-on experience in PHY Layer development, DSP algorithms, C/C++ programming, and 3GPP specifications. The candidate will be responsible for designing, developing, optimizing, and debugging Layer-1 features for RAN/UE modem platforms.

Key Responsibilities
• Design, develop, and maintain 4G LTE and 5G NR Physical Layer (PHY/L1) features as per 3GPP specifications.
• Implement and optimize DSP algorithms, including OFDM, MIMO, Beamforming, Channel Estimation, Equalization, LDPC, Polar Coding, and HARQ.
• Develop high-performance, real-time embedded software using C/C++ for DSP and modem platforms.
• Analyze and optimize system performance, memory utilization, latency, and power consumption.
• Debug and resolve PHY/L1 issues using modem logs, traces, and protocol analysis tools.
• Perform unit, system, interoperability, and conformance testing.
• Collaborate with MAC, RRC, RF, System Engineering, and Verification teams for feature integration.
• Support customer issues, field investigations, and performance optimization activities. Mandatory Skills & Technical Requirements




• Strong knowledge of 3GPP specifications.
• Hands-on experience in C and C++ programming.
• Strong understanding of 4G LTE and 5G NR Physical Layer.
• Knowledge of DSP concepts and algorithms.
• Good understanding of OFDM, MIMO, Beamforming, and Channel Estimation.
• Experience with LTE, 4G, 5G, and PHY Layer development.
• Hands-on experience with QXDM and Wireshark.
• Working knowledge of Git and JIRA.
• Strong debugging, problem-solving, and analytical skills. Preferred Skills
• Experience in modem development and embedded systems.
• Knowledge of LDPC, Polar Coding, Equalization, and HARQ.
• Understanding of wireless communication systems and signal processing.
• Experience with real-time DSP platforms.
• Exposure to UE or RAN protocol stack development. Candidate Profile
• B.
E./B.
Tech/M.
E./M.
Tech in Electronics, Telecommunications, Electrical Engineering, Computer Science, or a related field.
• 3–8 years of relevant experience in 4G/5G Physical Layer development.
• Strong programming and debugging capabilities. Work Location ? Gurgaon / Bangalore Interested candidates can share their updated resumes at: [[email protected]] Subject: Application – 5G Physical Layer (L1) Engineer – Experience – Current Location Join Vloforce Solutions and be part of exciting opportunities in next-generation wireless communication technologies

📌 5G Physical Layer (Gurugram)
🏢 Vloforce Solutions
📍 Gurugram