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About the Role
Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is responsible for powering Microsoft’s “Intelligent Cloud” mission by delivering core infrastructure and foundational technologies for Microsoft's online businesses. The Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and delivering operational measures of success for hardware manufacturing, improving the planning process, quality, delivery, scale, and sustainability related to Microsoft cloud hardware. We are looking for engineers with a passion for customer-focused solutions and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure. This role is for a Principal AI Network Architect.
Responsibilities
- Define the long-term architecture and technology roadmap for Microsoft's AI scale-up networking systems.
- Architect next-generation scale-up switches, including system architecture, switch topology, ASIC selection, radix planning, electrical and optical interconnect strategies.
- Define network architectures for AI clusters, racks, pods, and multi-rack scale-up domains.
- Drive architecture tradeoff analysis across performance, scalability, reliability, power, cost, serviceability, and operational efficiency.
- Define scale-up network requirements based on AI training, inference, and emerging workload demands.
- Lead architecture studies for switch silicon, optics, interconnect technologies, control planes, and AI fabrics.
- Define switch system requirements, architecture specifications, and design guidelines for future Microsoft AI platforms.
- Drive architecture decisions for scale-up and scale-out networks, including topology, oversubscription, resiliency, fault tolerance, and workload placement optimization.
- Partner with system, silicon, optics, software, firmware, and operations teams to co-design end-to-end AI infrastructure solutions.
- Develop performance, capacity, reliability, and TCO models to evaluate architecture alternatives and guide investment decisions.
- Evaluate emerging networking technologies and influence industry roadmaps across switch silicon, optics, and networking ecosystems.
- Provide technical direction and architectural guidance to switch development teams, ODM/JDM partners, and platform engineering organizations.
Requirements
- Master's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 7+ years technical engineering experience OR Bachelor's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 8+ years technical engineering experience OR equivalent experience.
- Ability to meet Microsoft, customer, and/or government security screening requirements.
- Must pass the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.
- Must provide proof of country of citizenship or U.S. permanent residency or other protected status for assessment of eligibility to access export-controlled information.
- Citizenship will be verified with a valid passport. Lawful permanent residents, refugees, and asylees may verify status using other documents, where applicable.
Skills
- System (compute, storage, networking, and/or accelerator) level design and/or implementation across the hardware development lifecycle.
- Server hardware architecture, design, and development with solid understanding of hardware, firmware, and Operating System (OS).
- Delivering AI and GPU-based systems to production.
- Networking, distributed systems, AI infrastructure, or large-scale system architecture.
- AI scale-up and scale-out networking architectures.
- Architecting high-performance network switches and large-scale switching systems.
- Ethernet, RDMA/RoCE, SONiC, network operating systems, and control plane architectures.
- Switch ASICs, SerDes technologies, retimers, PHYs, and high-speed electrical interconnects.
- Optical networking technologies including OCI, XPO, CPO, OBO, and optical fabrics.
- Performing architecture tradeoff analysis involving performance, power, cost, reliability, and scalability.
- AI workloads, collective communication patterns, distributed training, and inference systems.
- System-level architecture skills spanning networking, compute, power, thermal, and rack integration.
- Network switch system-level design, spanning all phases of product development — from concept through production release.
- Network switch architecture and development.
- Network switch design reviews, driving cross-functional alignment across hardware, firmware, software, and infrastructure teams.
Experience Level
- Principal
- IC5
Education Level
- Master's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field
- Bachelor's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field
- BS / MS in Electrical/Computer Engineering or equivalent industry experience
Salary/Compensations
- USD $142,800 - $274,800 per year (U.S. typical base pay range)
- USD $188,000 - $304,200 per year (San Francisco Bay area and New York City metropolitan area)
Benefits
- Certain roles may be eligible for benefits and other compensation.
About the Company
- Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is the team behind Microsoft’s expanding Cloud Infrastructure and responsible for powering Microsoft’s “Intelligent Cloud” mission.
- SCHIE delivers the core infrastructure and foundational technologies for Microsoft's over 200 online businesses including Bing, MSN, Office 365, Xbox Live, Teams, OneDrive, and the Microsoft Azure platform globally with our server and data center infrastructure, security and compliance, operations, globalization, and manageability solutions.
- Our focus is on smart growth, high efficiency, and delivering a trusted experience to customers and partners worldwide.
Equal Opportunity
- Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances.
- If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.