Principal Engineer – Scale Out Networking & Systems Architecture

Key Responsibilities End-to-End Scale-Out Architecture - Act as principal technical owner for multi-server scale-out networking architecture - Define and evolve RoCE-based RDMA data paths for AI inference and distributed workloads - Drive system-level tradeoffs across: - NICs and switches - PCIe and DMA paths - Firmware, Linux kernel drivers, and user-space libraries Firmware, Driver, and Host Software Leadership - Architect and review: - RoCE / RDMA kernel drivers - Firmware interfaces enabling peer-to-peer and zero-copy transfers - User-space transport abstractions (e.g., UAL, ESUN) - Debug and optimize performance across: - Firmware ? driver ? user space - Latency, congestion, ordering, and buffer management - Influence upstream or ecosystem-level designs where appropriate Partner & Ecosystem Engagement - Serve as Qualcomm's principal technical interface with: - NIC vendors and switch vendors - Silicon and platform partners - Lead deep technical design-ins, architecture reviews, and production escalations - Translate partner and field learnings into platform and firmware roadmaps Execution & Technical Influence - Drive complex cross-org efforts from concept to production enablement - Identify architectural risks early and lead mitigation - Mentor senior engineers through design and architecture reviews Required Qualifications - BS/MS in Computer Engineering, Electrical Engineering, Computer Science, or equivalent experience - 10--15+ years experience in system software, networking, or platform engineering - Proven experience building scale-out server or cluster architectures - Strong hands-on experience with: - Linux kernel networking and drivers - RDMA / RoCE stacks (kernel and user space) - Firmware-software interfaces - Excellent systems-level debugging skills across HW/FW/OS boundaries Preferred Qualifications - Hands-on experience with: - libibverbs, RDMA core, RoCE drivers, and firmware - UAL, ESUN, or similar transport/runtime abstractions - Background in AI, HPC, or accelerator-based platforms - Experience enabling multi-server inference or disaggregated serving - Strong C/C++ systems programming background (x86 and ARM64) Minimum Qualifications: • Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 8+ years of Software Engineering or related work experience. OR Master's degree in Engineering, Information Systems, Computer Science, or related field and 7+ years of Software Engineering or related work experience. OR PhD in Engineering, Information Systems, Computer Science, or related field and 6+ years of Software Engineering or related work experience. • 4+ years of work experience with Programming Language such as C, C++, Java, Python, etc.Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail [email protected]{rel="noopener noreferrer" target="_blank"} or call Qualcomm's toll-free number found here{rel="noopener noreferrer" target="_blank"}. Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries). To all Staffing and Recruiting Agencies: Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications. EEO Employer: Qualcomm is an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or any other protected classification.