1 day ago
Responsibilities
- Improve and debug the RISC-V Linux kernel, particularly for high-core-count server systems.
- Write and review patches with the upstream Linux and OpenSBI communities via public mailing lists.
- Debug challenging software and hardware issues in CPUs and SoCs.
- Collaborate with system software and system validation teams on SiFive designs running in emulation.
- Work with internal and external CPU architects and RTL engineers, including collaborators at RISC-V International, to improve core and system designs.
Requirements
- Experience developing concurrency-sensitive code in the upstream Linux kernel, including writing and reviewing patches on public mailing lists.
- Experience debugging challenging software and hardware bugs in CPUs and SoCs.
- Experience working with CPU architects and RTL engineers.
- Experience developing and debugging Linux on FPGA and emulation platforms.
- Experience with hypervisors and virtualization.
- Familiarity with the RISC-V architecture.
- Preferred: familiarity with silicon design issues, microarchitectural side-channel attacks and mitigations, hardware debuggers, Devicetree, ACPI, UEFI, and Rust.
Benefits
- Comprehensive competitive benefits package that may include healthcare, retirement plans, and paid time off.
- Employment is contingent on successful background and reference checks, proof of authorization to work in the United States, and any required export-control approvals.
- SiFive is an equal opportunity employer committed to an inclusive and diverse workplace.
About SiFive
SiFive designs and licenses RISC‑V processor IP and platforms to semiconductor and systems companies building custom SoCs across markets like automotive, data center, mobile, and IoT. Its business model centers on IP licensing, tools, and support, often coupled with royalties and design services. Founded in 2015 and headquartered in Santa Clara, California, the company is privately held and focuses on configurable CPU cores and related subsystems for high‑performance and embedded applications.