SiFive

Linux Kernel Architect

SiFive$130K — $180K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in concurrency-sensitive code for the upstream Linux kernel
  • Proven track record of writing and reviewing patches in public mailing lists
  • Strong debugging skills for software and hardware bugs in CPUs and SoCs
  • Experience collaborating with CPU architects and RTL engineers
  • Hands-on experience with Linux development on FPGA and emulation platforms
  • Knowledge of hypervisors and virtualization
  • Familiarity with the RISC-V architecture

Responsibilities

  • Enhance and debug the RISC-V Linux kernel for high core count server systems
  • Engage with upstream Linux and OpenSBI communities for patches and reviews
  • Troubleshoot complex issues in collaboration with system software and validation teams
  • Work alongside hardware architects and engineers to refine core and system designs
  • Interface with both internal teams and RISC-V International members

Benefits

  • Comprehensive healthcare and retirement plans
  • Paid time off
  • Variable incentive compensation and/or equity options
  • Focus on diversity and inclusion within company culture
  • Commitment to employee development and growth opportunities
Full Job Description

Job Description:

The Role

Do you want to be part of the RISC-V revolution? RISC-V and SiFive are redefining computing platforms for the 21st century.  SiFive, the world RISC-V leader, is seeking an experienced Linux kernel software architect.  In this role, you’ll be improving and debugging the RISC-V Linux kernel, with particular focus on high core count server systems.  You’ll interact directly with the upstream Linux and OpenSBI communities, posting and reviewing patches.  You’ll debug challenging problems, working with our system software and system validation teams, on SiFive designs running in emulation.  And you’ll work with hardware architects and engineers, both inside SiFive and at RISC-V International, to improve our core and system designs. 

What we need to see

  • Experience working on concurrency-sensitive code in the upstream Linux kernel, with a track record writing and reviewing patches on the 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

Ways to stand out

  • Familiarity with silicon design issues and challenges

  • Familiarity with microarchitectural side-channel attacks and mitigations

  • Familiarity with debugging systems via hardware debuggers

  • Familiarity with Devicetree, ACPI and UEFI 

  • Familiarity with Rust

Pay & Benefits

Consistent with SiFive values and applicable law, we provide the following information to promote pay transparency and equity. We have a market-based pay structure which varies by location.  Please note that the base pay range is a guideline, and our compensation range reflects the cost of labor in the U.S. geographic market based on the location of the role. Pay within these ranges varies and depends on job-related knowledge, skills, and relevant work experience. 

For candidates who receive and offer, the starting salary will vary based on various factors including, but not limited to, such qualifications as, skill level, competencies, and work location.  The range provided may represent a candidate range and may not reflect the full range for an individual tenured employee.

Base Pay Range

In addition to base pay, this role may be eligible for variable/ incentive compensation and/ or equity.  In addition, this role is eligible for a comprehensive, competitive benefits package which may include healthcare and retirement plans, paid time off, and more! 

Additional Information:

This position requires a successful background and reference checks and satisfactory proof of your right to work in

United States of America

Any offer of employment for this position is also contingent on the Company verifying that you are a authorized for access to export-controlled technology under applicable export control laws or, if you are not already authorized, our ability to successfully obtain any necessary export license(s) or other approvals.

About SiFive

SiFive is a semiconductor company that designs and develops custom chips based on the RISC-V instruction set architecture. The company was founded in 2015 by a team of experts in computer architecture and chip design and is headquartered in San Mateo, California. SiFive's mission is to democratize access to custom silicon and enable innovation for all. The company has raised over $190 million in funding to date and has partnerships with several leading technology companies.
Learn more about SiFive
Size
300 employees
Industry
Founded
2015

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