Senior System Software Engineer, SoC Power and Performance – O-RAN Infrastructure

🕒 August 4

🏄 California, Colorado – Remote

🏄 California – Remote ⛰️ Colorado – Remote

💵 $152k - $241.5k / year

⏰ Full Time

🟠 Senior

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📋 Description

• Design, develop, test, and optimize system software and firmware for SoCs used in O-RAN and cellular infrastructure • Develop power-management policies and performance optimizations across CPU, GPU, accelerator, memory, interconnect, I/O, and networking subsystems • Analyze representative RU and DU workloads to identify compute, memory bandwidth, latency, synchronization, and data-movement bottlenecks • Develop and tune DVFS, clock and power gating, idle-state management, thermal controls, and system-level power budgeting • Create performance and power models, measurement tools, benchmarks, and automated test infrastructure for pre-silicon and post-silicon environments • Use simulation, emulation, prototyping, and production silicon to validate architectural decisions and identify power and performance issues • Evaluate system behavior against O-RAN and cellular-interface requirements for timing, synchronization, latency, throughput, and reliability • Influence future SoC, platform, and cellular-software architectures using workload analysis and measurements from deployed systems • Collaborate with hardware, architecture, platform, networking, and cellular-software teams throughout pre-silicon development, silicon bring-up, productization, and deployment

🎯 Requirements

• Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field, or equivalent experience • 5+ years of relevant experience in system software, embedded software, firmware, computer architecture, cellular infrastructure, or performance engineering • Experience developing and debugging software for complex SoCs or embedded platforms • Strong programming skills in C or C++, plus Python or a comparable scripting language • Understanding of computer architecture and hardware-software interaction, including multicore systems, memory hierarchies, caches, interconnects, interrupts, memory-mapped I/O, and DMA • Experience with operating-system internals, Linux kernel development, device drivers, concurrency, virtual memory, and real-time or latency-sensitive programming • Expertise in performance measurement, workload characterization, data analysis, bottleneck identification, and system optimization • Working knowledge of SoC power-management concepts, including DVFS, clock and power gating, thermal management, and power/performance budgeting • Strong grasp of cellular infrastructure and radio-access-network architecture • Knowledge of 5G/6G interface standards, including 3GPP NR interfaces and protocols, O-RAN Open Fronthaul, eCPRI, and synchronization/timing technologies • Direct O-RAN Radio Unit or Distributed Unit experience preferred as a differentiator • Familiarity with DPDK, accelerated networking, zero-copy data paths, SR-IOV, RDMA, SmartNICs, DPUs, GPUs, or baseband accelerators is advantageous

🏖️ Benefits

• Equity • Comprehensive benefits package • Competitive salary • Benefits for employees and family • Inclusive work environment • Equal opportunity employment

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