Kernel Senior Software Engineer, Fuchsia

Kernel Senior Software Engineer, Fuchsia - Google Careers

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Kernel Senior Software Engineer, Fuchsia

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corporate_fareGoogleplaceSeattle, WA, USA; Mountain View, CA, USA; +3 more; +2 more

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Experience driving progress, solving problems, and mentoring more junior team members; deeper expertise and applied knowledge within relevant area.

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XApplicants in San Francisco: Qualified applications with arrest or conviction records will be considered for employment in accordance with the San Francisco Fair Chance Ordinance for Employers and the California Fair Chance Act.

In accordance with Washington state law, we are highlighting our comprehensive benefits package, which is available to all eligible US based employees.

Benefits for this role include:

• Health, dental, vision, life, disability insurance
• Retirement Benefits: 401(k) with company match
• Paid Time Off: 20 days of vacation per year, accruing at a rate of 6.15 hours per pay period for the first five years of employment
• Sick Time: 40 hours/year (increased to 69 hours/year for Seattle) including 5 discretionary sick days per instance
• Maternity Leave (Short-Term Disability + Baby Bonding): 28-30 weeks
• Baby Bonding Leave: 18 weeks
• Holidays: 13 paid days per year

Note: By applying to this position you will have an opportunity to share your preferred working location from the following: Seattle, WA, USA; Mountain View, CA, USA; San Francisco, CA, USA; San Jose, CA, USA.

Minimum qualifications:

• Bachelor's degree or equivalent practical experience.
• 5 years of experience with software development in one or more programming languages.
• 3 years of experience testing, maintaining, or launching software products, and 1 year of experience with software design and architecture.
• Experience with systems programming, operating systems or general embedded development.

Preferred qualifications:

• Master"s degree or PhD in Computer Science or a related technical field.

• 5 years of experience with data structures and algorithms.

• Experience implementing or maintaining core operating system kernel components, such as virtual memory layouts, low-level context switching, thread scheduling, or primitive IPC mechanisms.

• Proficiency in Rust systems programming, with a deep understanding of soundness, unsafe code encapsulation, multi-threaded mutability, and mitigating bare-metal runtime or stack constraints.

• Demonstrated expertise in low-level debugging, diagnostics, and root cause analysis across execution phases like early boot, hardware interrupts, or power management routines.

• Strong technical documentation and collaboration practices, including authoring design documents, detailing invariants, and auditing code with security teams.

About the job

Google"s software engineers develop the next-generation technologies that change how billions of users connect, explore, and interact with information and one another. Our products need to handle information at massive scale, and extend well beyond web search. We"re looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. As a software engineer, you will work on a specific project critical to Google's needs with opportunities to switch teams and projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.

The Zircon kernel team builds the foundational operating system core that drives Fuchsia, establishing essential security, performance, and reliability boundaries at the bare-metal layer. As the lowest layer of Fuchsia, Zircon handles core object architectures, physical and virtual memory management through page tables, and primitive inter-process communication mechanisms. The team is currently executing a major architectural migration to incrementally rewrite foundational subsystems from C++ to Rust, ensuring modern memory safety while supporting Google's evolving ecosystem of consumer devices.

As a Software Engineer on the Zircon Kernel team, you will design, implement, and maintain core operating system components including low-level context switching, thread scheduling, virtual memory layouts, and system call interfaces. You will address complex bare-metal challenges such as managing hardware interrupts, avoiding system-wide kernel panics, and optimizing code generation for safe execution, working in close alignment with cross-functional compiler, tools, and security teams.

Fuchsia is a modern, open source operating system that is simple, secure, updatable, and performant. It's a general purpose OS, designed to power an ecosystem of hardware and software, and provides core operating system functions like system resource management, a driver framework, and software abstractions.

Individual pay is determined by factors including job-related skills, experience, and relevant education or training.

US: $174000 - $252000 (USD) + 15% bonus target + equity + benefits

Learn more about benefits at Google.

Responsibilities

• Design, implement, and optimize core kernel infrastructure, including virtual memory page tables, thread schedulers, timers, and object architectures.

• Develop and maintain sound multi-language FFI boundaries to safely bridge legacy C++ subsystems with modern Rust components while managing strict stack and memory constraints.

• Implement advanced low-level diagnostic frameworks and execute comprehensive test categories-including early boot, core, and stress testing-to isolate non-deterministic system behaviors.

• Collaborate across compiler, tools, and security infrastructure teams to audit code generation, refine code coverage, and systematically document memory invariants and lock hierarchies.

Information collected and processed as part of your Google Careers profile, and any job applications you choose to submit is subject to Google"s Applicant and Candidate Privacy Policy.

Google is proud to be an equal opportunity and affirmative action employer. We are committed to building a workforce that is representative of the users we serve, creating a culture of belonging, and providing an equal employment opportunity regardless of race, creed, color, religion, gender, sexual orientation, gender identity/expression, national origin, disability, age, genetic information, veteran status, marital status, pregnancy or related condition (including breastfeeding), expecting or parents-to-be, criminal histories consistent with legal requirements, or any other basis protected by law. See also Google"s EEO Policy, Know your rights: workplace discrimination is illegal, Belonging at Google, and How we hire.

If you have a need that requires accommodation, please let us know by completing our Accommodations for Applicants form.

Google is a global company and, in order to facilitate efficient collaboration and communication globally, English proficiency is a requirement for all roles unless stated otherwise in the job posting.

To all recruitment agencies: Google does not accept agency resumes. Please do not forward resumes to our jobs alias, Google employees, or any other organization location. Google is not responsible for any fees related to unsolicited resumes.

Equity is granted exclusively and discretionarily by Alphabet Inc. on the basis of an agreement concluded between you and Alphabet Inc. Alphabet Inc. is your sole contractual partner with respect to equity grants. GSU grants are not guaranteed, are discretionary, are subject to approval by the Alphabet Inc. board of directors or its delegate, the terms of the relevant Alphabet Inc. stock plan, and your grant agreement. They have no impact on statutory payments. Current or past grants do not confer an acquired right.

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