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Research Scientist Intern, MSL Infra Kernels

6 hours ago


Menlo Park, California, United States Meta Full time

Meta's Meta SuperIntelligence Labs (MSL) Infra Kernels & Optimizations (K&O) team is looking to hire PhD Research Scientists interns in 2026 to join our Research & Development teams. Our teams' mission is to explore, develop and help productionize high performance model, software & hardware technologies for MSL's mission to build superintelligence. We achieve this via concurrent design and optimization of many aspects of the system from models and runtime all the way to the AI hardware, optimizing across compute, network and storage. The team invests significantly into model optimization on existing accelerator systems and guiding the future of models and AI HW at Meta. This drives improved performance as compute multipliers, new model architectures and reduces cost of ownership for all key AI services at FB: Recommendations and Generative AI.This is an exciting space that spans exploration and productionization, coupled with close collaborations with industry, academia, Meta's Infrastructure and Product groups. Collaborating closely with TBD Labs, the team's mode of operation is going from ideation and rapid prototyping, all the way to assisting productization of high leverage ideas, working with many partner teams to bring learnings from prototype into production.

Research Scientist Intern, MSL Infra Kernels & Optimizations (PhD) Responsibilities:
  • Explore, prototype and productionize highly optimized ML kernels to unlock full potential of current and future accelerators for Meta's AI workloads. Open source SOTA implementations as applicable.
  • Explore, co-design and optimize parallelisms, compute efficiency, distributed training/inference paradigms and algorithms to improve the scalability, efficiency and reliability of inference and large-scale training systems.
  • Optimize inference and training communications performance at scale and investigate improvements to algorithms, tooling, and interfaces, working across multiple accelerator types and HPC collective communication libraries such as NCCL, RCCL, UCC and MPI.
  • Innovate and co-design novel model architectures for sustained scaling and hardware efficiency during training and inference.
  • Benchmark, analyze, model and project the performance of AI workloads against a wide range of what-if scenarios and provide early input to the design of future hardware, models and runtime, giving crucial feedback to the architecture, compiler, kernel, modeling and runtime teams.
  • Explore, co-design and productionize model compression techniques such as Quantization, Pruning, Distillation and Sparsity to improve training and inference efficiency.
  • Collaborate with AI & Systems Co-design to guide Meta's AI HW strategy.
Minimum Qualifications:
  • Must obtain work authorization in country of employment at the time of hire, and maintain ongoing work authorization during employment
  • Experience developing AI-System infrastructure or AI algorithms in C/C++ or Python
Preferred Qualifications:
  • Experience or knowledge of training/inference of large scale deep learning models
  • Experience or knowledge of either Generative AI models such as LLMs/LDMs or Ranking & Recommendation models such as DLRM or equivalent
  • Experience or knowledge of distributed ML systems and algorithm development
  • Experience or knowledge of at least one of the responsibilities listed in this job posting
  • Proven track record of achieving significant results as demonstrated by grants, fellowships, patents, as well as first-authored publications at leading workshops or conferences
  • Experience working and communicating cross functionally in a team environment
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-

$7,650/month to $12,134/month + 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.