[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Software Engineer, Systems Active On-site Menlo Park, CA Posted · 02.10.2026 LinkedIn Jobs US # Software Engineer, Systems Meta Meta is looking for a Software Engineer with a systems specialization to help build and scale the foundational infrastructure that powers Meta's family of products and services. In this role, you will design, develop, and maintain systems-level software that operates at massive scale, ensuring reliability, performance, and efficiency across critical infrastructure. You will work closely with cross-functional engineering teams to solve complex systems challenges, from low-level kernel and runtime optimization to distributed systems design, contributing directly to the infrastructure that billions of people depend on every day. Software Engineer, Systems Responsibilities: Design and implement systems-level software components, including low-level libraries, runtime environments, and infrastructure services that operate at large scale Develop and optimize performance-critical code paths, identifying and resolving bottlenecks across compute, memory, storage, and network layers Write automated tests covering expected behaviors, failure modes, and error paths to ensure reliability of systems software Instrument systems with metrics, logging, and alerting to enable observability and rapid diagnosis of production issues Participate in on-call rotations, investigate production incidents, and contribute detailed retrospectives to prevent recurrence Collaborate with cross-functional partners in product engineering, infrastructure, and data science to define requirements and deliver systems solutions end-to-end Conduct and participate in code reviews to maintain code quality, share knowledge, and identify subtle correctness and performance issues including those introduced by AI-assisted development Manage staged rollouts of systems changes using feature flagging and incremental deployment strategies, monitoring key reliability metrics throughout Contribute to technical documentation for new systems components and updates to existing infrastructure, ensuring clarity for current and future owners Identify and eliminate technical debt by consolidating duplicative implementations, deprecating obsolete code, and modernizing legacy systems components Minimum Qualifications: Currently has, or is in the process of obtaining a Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience. Degree must be completed prior to joining Meta 2+ years of experience developing systems-level software in C, C++, Rust, or a comparable low-level language Experience with operating systems internals, including process management, memory management, file systems, or networking subsystems in Linux or a comparable UNIX-based environment Experience designing and implementing components within distributed systems, including considerations for fault tolerance, consistency, and scalability Experience writing automated tests, debugging production issues using profiling and tracing tools, and building observability instrumentation for systems software Experience collaborating with cross-functional engineering teams to deliver medium to large software features independently from design through production Preferred Qualifications: Experience contributing to or maintaining open-source systems software projects Experience adhering to and implementing responsible, ethical AI practices (e.g., risk assessment, bias mitigation, quality and accuracy reviews) Demonstrated ongoing AI skill development (e.g., prompt/context engineering, agent orchestration) and staying current with emerging AI technologies Demonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements) Exposure to applying AI-assisted development tools to accelerate systems engineering work, including reviewing and validating generated code for correctness and safety Familiarity with container orchestration platforms, cluster management systems, or large-scale compute infrastructure Experience with performance profiling and optimization at the systems level, including CPU, memory, I/O, and network analysis About Meta: Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. People who choose to build their careers by building with us at Meta help shape a future that will take us beyond what digital connection makes possible today—beyond the constraints of screens, the limits of distance, and even the rules of physics. Meta is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender, gender identity, gender expression, transgender status, sexual stereotypes, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. We also consider qualified applicants with criminal histories, consistent with applicable federal, state and local law. Meta participates in the E-Verify program in certain locations, as required by law. Please note that Meta may leverage artificial intelligence and machine learning technologies in connection with applications for employment. Meta is committed to providing reasonable accommodations for candidates with disabilities in our recruiting process. If you need any assistance or accommodations due to a disability, please let us know at accommodations-ext@meta.com. $121,992/year to $181,000/year + bonus + equity + benefits Individual compensation is determined by skills, qualifications, experience, and location. Compensation details listed in this posting reflect the base hourly rate, monthly rate, or annual salary only, and do not include bonus, equity or sales incentives, if applicable. In addition to base compensation, Meta offers benefits. Learn more about benefits at Meta. This job was verified from LinkedIn Jobs US. Applications are completed on the original source. [Apply on the original listing ↗](https://jobradar.live/ilan/6ccbd8e7-721e-414b-8d48-125ccd7f7f1c/git) ## Stop searching one by one for roles like this. Upload your resume or enter your target roles to see your first 3 matches for free. 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