Base Salary
$105k - $195k/yr
Responsibilities
- Design, develop, and optimize the 5G NR gNB physical layer in compliance with 3GPP standards.
- Implement PHY algorithms for channel estimation, equalization, beamforming, MIMO, and decoding.
- Develop DSP, FPGA, and GPU implementations for real-time signal processing.
- Develop and optimize the L1-L2 interface for high-performance data processing.
- Analyze PHY performance with system engineers and identify improvement opportunities.
- Conduct unit and integration testing, debugging, and performance tuning of PHY software and firmware.
- Optimize PHY processing for latency, throughput, power efficiency, and resource utilization.
- Integrate PHY implementations with RF front-end components.
- Track 3GPP releases and implement required PHY processing updates.
- Provide technical guidance to junior team members.
Requirements
- 2–3 years of hands-on experience in 5G NR or LTE PHY layer development, including OFDM and MIMO concepts.
- Proficiency in C/C++, MATLAB, and Python for algorithm development and simulation.
- Experience with DSPs, FPGAs, or GPUs for real-time PHY processing.
- Knowledge of 3GPP specifications 38.211, 38.212, 38.213, and 38.214.
- Familiarity with software-defined radio and real-time embedded systems.
- Experience debugging and performance-tuning PHY layer implementations.
- B.E./B.Tech or M.E./M.Tech degree in Electronics, Telecommunications, Computer Science, or a related field.
- Preferred knowledge of signal-processing libraries such as FFTW.
- Experience with 5G PHY testing and validation tools is advantageous.
About Infinera
Infinera is now part of Nokia. Infinera is revolutionizing telecommunications networks with innovative, industry-leading connectivity solutions. Our offerings include high-end subcomponent technology, systems for network infrastructure, automation software, advanced optical compound semiconductor manufacturing, & professional services. As a global supplier, we empower mobile service providers, internet content providers, cloud operators, submarine operators, governments & enterprises to scale network bandwidth, boost service innovation, and automate network operations. We are committed to continuously expanding and enhancing our world-class offerings to meet the changing needs of our customers. Our connectivity solutions are powered by the world’s best embedded & pluggable optical engines, which are designed, developed & manufactured in Infinera’s U.S.-based optical semiconductor fabrication center and are application-optimized for edge, metro, long-haul, and submarine transport networks. Our agile, open, compact & modular networking platforms enable network operators to rapidly and easily take advantage of best-in-class technology. Our software automation solutions optimize traffic flows and automate workloads to enable network operators to cost-effectively deliver secure bandwidth to their customers where and when needed. With these solutions, our goal is to create a connected world with unlimited bandwidth for everyone – everywhere, always, and instantly. What Inspires Us? A connected world with unlimited bandwidth for everyone – everywhere, always & instantly. What Motivates Us? Delivering innovative and impactful coherent optical technologies and open optical solutions that unlock new value for our customers. What Drives Us? To be a valued investment for our shareholders’ money, our customers’ CapEx and our employees’ time by delivering an unrivaled customer experience from an inclusive culture of innovation for our customers.