Principal Engineer - AI Networking

The ideal candidate is an experienced RDMA software engineer with a strong background in high-performance networking, distributed communication systems, and systems programming. You will work closely with senior technical leaders to design, implement, optimize, and operate critical networking infrastructure used by large-scale AI training and inference workloads.This is a hands-on engineering role requiring deep technical expertise, strong software development skills, and a passion for solving complex performance and scalability challenges.What You'll BringStrong software engineering fundamentals and systems programming expertise.Deep interest in RDMA, high-performance networking, and distributed communication systems.Ability to diagnose and solve complex performance and scalability problems.Strong collaboration and communication skills in cross-functional engineering environments.Ownership mindset with the ability to independently drive technical initiatives from design through production deployment.Passion for building infrastructure that enables next-generation AI systems.Only Oracle brings together the data, infrastructure, applications, and expertise to power everything from industry innovations to life-saving care. And with AI embedded across our products and services, we help customers turn that promise into a better future for all. Discover your potential at a company leading the way in AI and cloud solutions that impact billions of lives.True innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing a workforce that promotes opportunities for all with competitive benefits that support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs.We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing View email address on us.fitly.work or by calling View phone number on us.fitly.work in the United States.Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.Disclaimer:Certain U.S. based or U.S. customer or client-facing roles may be required to comply with applicable requirements, such as immunization/occupational health mandates, and/or drug testing requirements.Range and benefit information provided in this posting are specific to the stated locations onlyUS: Hiring Range in USD from: $114,600 to $234,600 per annum. May be eligible for bonus, equity, and compensation deferral.Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle's differing products, industries and lines of business.Candidates are typically placed into the range based on the preceding factors as well as internal peer equity.Oracle US offers a comprehensive benefits package which includes the following:1. Medical, dental, and vision insurance, including expert medical opinion2. Short term disability and long term disability3. Life insurance and AD&D4. Supplemental life insurance (Employee/Spouse/Child)5. Health care and dependent care Flexible Spending Accounts6. Pre-tax commuter and parking benefits7. 401(k) Savings and Investment Plan with company match8. Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.9. 11 paid holidays10. Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.11. Paid parental leave12. Adoption assistance13. Employee Stock Purchase Plan14. Financial planning and group legal15. Voluntary benefits including auto, homeowner and pet insuranceThe role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted.Career Level - IC4Key ResponsibilitiesDesign, develop, and optimize RDMA-based software components and services for large-scale AI infrastructure.Build and enhance collective communication frameworks, transport layers, and communication libraries used by distributed AI workloads.Develop congestion management, load balancing, resiliency, and failover capabilities for RDMA-based networks.Analyze and improve communication performance across networking, GPU, and software stacks.Design and implement scalable distributed systems supporting AI training and inference environments.Collaborate with networking, AI infrastructure, hardware, and cloud platform teams to deliver high-performance solutions.Investigate and resolve complex networking, performance, and reliability issues in production environments.Develop observability, telemetry, debugging, and performance analysis tools for distributed communication systems.Contribute to architectural design discussions and technical direction for networking platforms.Participate in code reviews and help maintain engineering excellence across the team.Minimum QualificationsBachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field; advanced degree preferred.7+ years of software engineering experience in systems software, networking, distributed systems, or infrastructure platforms.Strong hands-on expertise with RDMA technologies, including RoCEv2 and/or InfiniBand.Experience developing RDMA-enabled software, communication libraries, networking services, or distributed infrastructure.Strong understanding of RDMA programming concepts, including queue pairs, completion queues, memory registration, verbs, and transport semantics.Proficiency in C/C++ and Linux systems programming.Experience debugging and optimizing performance-critical software systems.Solid understanding of networking fundamentals, operating systems, and distributed systems concepts.Preferred QualificationsExperience with collective communication frameworks and libraries such as NCCL, RCCL, MPI, UCX, UCC, XCCL, or similar technologies.Experience supporting AI/ML infrastructure and distributed training environments.Knowledge of GPUDirect RDMA and GPU-aware communication technologies.Experience developing congestion management, traffic engineering, or network resiliency solutions.Familiarity with large-scale GPU clusters and high-performance computing environments.Experience building services and infrastructure operating directly over RDMA transports.Familiarity with distributed training frameworks such as PyTorch, DeepSpeed, Megatron-LM, TensorFlow, or JAX.Experience with Kubernetes, containers, and cloud infrastructure platforms.Understanding of performance profiling and benchmarking tools for networking and distributed systems.Full timePosting Date: 2026-09-21