OverviewMicrosoft 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 and we are looking for passionate engineers to help achieve that mission.
The Platform Systems Engineering (PSE) team is seeking a Senior AI Network Systems Engineer to drive the architecture, integration, validation, optimization, and deployment of large-scale AI networking infrastructure. This role focuses on Layer 3 and Layer 4 networking technologies, RDMA-based fabrics, TCP/UDP transport behavior, network performance, congestion management, and scale-out AI networking environments.
You will work closely with networking, silicon, firmware, system software, validation, and Azure infrastructure teams to build reliable, high-performance AI networks that support next-generation AI systems deployed at hyperscale.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
Responsibilities AI Network Architecture & System Integration
Collaborate with silicon, system software, firmware, hardware, and Azure infrastructure teams to deliver scalable networking solutions from concept through datacenter deployment.
Define network concepts of operation, serviceability requirements, telemetry requirements, and operational models for AI infrastructure.
Layer 3 / Layer 4 Networking
Lead design and validation of IP-based AI networking solutions spanning TCP/IP, UDP, routing, congestion management, flow control, QoS, and traffic engineering.
Evaluate network protocol implementations and debug issues impacting latency, throughput, scalability, and reliability.
RDMA & AI Fabric Technologies
Analyze RDMA performance, congestion behavior, packet loss, retransmissions, and collective communication efficiency.
Performance Characterization & Validation
Develop and execute networking validation strategies covering functionality, performance, scale, interoperability, resiliency, and reliability.
Evaluate latency, bandwidth utilization, congestion events, flow distribution, and workload communication patterns.
Debugging & Root Cause Analysis
Lead end-to-end troubleshooting of networking issues across physical, data link, network, and transport layers.
Perform packet-level analysis and protocol debugging using telemetry, packet captures, performance counters, and diagnostic tools.
Investigate network switch, NIC, RDMA, routing, congestion control, and protocol-related issues.
Automation & Observability
Qualifications Required Qualifications:
- Master's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 3+ years technical engineering experience
- OR Bachelor's Degree in Electrical Engineering, Computer Engineering, Mechanical Engineering, or related field AND 5+ years technical engineering experience
- OR equivalent experience.
- 5+ years of experience developing or validating networking for accelerator based systems.
- 5+ years of experience designing, integrating, validating, or troubleshooting Ethernet-based networking infrastructure, including Network switches.
- 5+ years of experience supporting AI, HPC, cloud, or large-scale data center infrastructure deployments.
Other Requirements:
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:
- Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
Preferred Qualifications
Understanding of RoCE, congestion control, ECN, PFC, DCQCN, and related AI networking technologies.
Experience with network switches, SmartNICs, DPUs, NIC offloads, and large-scale cloud infrastructure.
Experience developing network stress tools, validation frameworks, performance benchmarks, or observability solutions.
#azure #MAIA #AI/ML #Networking
Hardware Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
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.