radio-access-network-ran jobs in San Diego

Qualcomm is seeking a Software Engineer to develop 5G/6G wireless systems for a Test Base Station platform. The role focuses on designing and implementing Radio Access Network Layer 2 (MAC, RLC, PDCP, SDAP) functionality in C++ as a Linux service, including channel configuration, scheduler optimization, and multi-threaded, real-time software.…See more Responsibilities span specification interpretation, feature development through commercialization, cross-layer integration with RRC and PHY components, and performance optimization for latency and throughput.

Qualcomm is seeking a software engineer to develop and optimize 5G/6G Radio Access Network Layer 2 functionality for a Test Base Station. The role focuses on designing real-time, multi-threaded C++ software running on Linux, implementing MAC/RLC/PDCP/SDAP protocols per 3GPP specifications, and optimizing channel schedulers and data-plane paths for latency and throughput.…See more The candidate will debug, profile, and collaborate across distributed teams integrating with Layer 1 (PHY) and Layer 3 (RRC) components.

Design, develop, and optimize 5G/6G Radio Access Network Layer 2 software (MAC, RLC, PDCP, SDAP) in C++ running as a Linux service on multi-core platforms. Translate 3GPP specifications into requirements, implement channel schedulers and data-plane paths, and debug for latency, throughput, and reliability.…See more Collaborate across distributed teams on real-time-sensitive, multi-threaded NodeB software with continuous integration support.

Lead a team to improve engineering efficiency and product quality in software development for 5G and RAN optimization. Design and implement scalable, production-grade software solutions using distributed systems and AI principles.…See more Serve as a technical expert and staff-level contributor, mentoring development teams, driving architecture decisions, and translating telecom requirements into robust code while collaborating with site reliability engineers and cross-functional teams.

Lead a comprehensive security architecture program for Logos Space's ground-based satellite terminals, with technical ownership of end-to-end security design across mmWave apertures, RF/baseband subsystems, and baseband hardware. Design and implement RF-related datalink security, secure wireless protocols, threat models, and secure provisioning workflows while ensuring compliance with FIPS and other cryptographic standards.…See more Mentor security engineers, oversee manufacturing security and chain-of-custody processes, and collaborate with hardware and RAN teams to integrate security controls. This is a hands-on role with potential to build a team, requiring 7–10 years of embedded security experience, proficiency in C/C++/Rust and Python, and deep knowledge of threat modeling, secure boot, firmware security, and anti-tampering mechanisms.

As a Principal/Senior Staff Software Engineer, you will lead a team developing next-generation 5G NR wireless systems, architecting and coding major PHY (L1) features. You will mentor engineers, innovate development processes, and collaborate with cross-functional teams to integrate and validate 3GPP wireless technology concepts.…See more The role requires 10+ years of hands-on C/C++ development, 7+ years of 5G/LTE PHY software and algorithm work, 7+ years taking complex software to production, and 5+ years developing for real-time Linux systems.

Senior Staff Software Engineer leading teams to improve engineering efficiency and product quality in software development for 5G and RAN optimization. Designs and implements scalable software solutions, manages software architecture to meet performance and scalability demands of cellular networks, and serves as a tech lead owning project outcomes.…See more Works with site reliability engineers to translate telecom requirements into robust code, applies distributed systems and AI knowledge, and mentors development teams through deep technical expertise. Requires 6+ years of experience with a Master's degree or 8+ years with a Bachelor's degree in Computer Science, Computer Engineering, or Electrical Engineering.

This senior role leads continuous integration (CI) functional efforts for wireless modem technologies, managing the design, integration, verification, and validation of cellular modem air interface and RAN technologies. The engineer supervises team members, gathers requirements from internal customers, holds design reviews, and ensures high-performance modem IP meets industry standards while optimizing for throughput, latency, power consumption, and cost.…See more Responsibilities include real-time CI system monitoring, rapid issue triage, and cross-functional collaboration with other engineering groups. The position requires a BS in Electrical Engineering, Computer Engineering, Computer Science, or related field plus 5 years of progressive experience.

Senior engineer designing, implementing, and validating Wireless WAN modem air interface and Radio Access Network (RAN) technologies for multi-RAT systems. Responsible for modem access stratum and RF software design, algorithms, HW/SW co-processor architecture, and transceiver implementation based on 3GPP LTE and 5G NR specifications.…See more Works across L1/L2/L3 protocol layers, optimizes for performance (throughput, latency, power consumption) and cost (silicon area, calibration complexity), and collaborates with RF and hardware teams on modem IP architecture and shared resource allocation.