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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 a Principal Hardware Engineer - Networking to serve as a technical leader for complex network switch platforms for Microsoft Azure AI infrastructure. This role will define multi-generation platform strategy and drive execution from requirements and architecture through board design, system integration, validation, manufacturing, and deployment.

Responsibilities

Define and drive the multi-generation electrical and system architecture roadmap for custom network switch platforms supporting Azure AI infrastructure, including technology insertion, platform reuse, risk retirement, and lifecycle strategy.
Own platform-level requirements decomposition and architectural tradeoffs spanning network, rack, performance, reliability, availability, serviceability, security, telemetry, manufacturing, cost, and schedule.
Provide technical authority for switch ASIC, control-plane CPU, BMC, CPLD/FPGA, clocking, reset, power delivery, high-speed Ethernet, retimers, optical modules, cable backplanes, telemetry, and platform-management interfaces.
Lead architecture and design reviews across schematic, PCB stack-up, signal integrity, power integrity, layout, BOM, component derating, DFT, DFM, DFR, and system integration; establish decision criteria and drive closure of cross-disciplinary issues.
Establish platform bring-up, electrical validation, margining, interoperability, stress, reliability, and production-test strategies; ensure evidence-based exit criteria and scalable test coverage across development phases.
Lead resolution of the most complex board-, system-, rack-, manufacturing-, and field-level issues by organizing cross-team debug, forming hypotheses from data, and driving verified corrective actions and prevention mechanisms.
Provide technical direction to ODM/OEM and technology partners; define deliverables, design-review criteria, quality expectations, and escalation paths while influencing supplier roadmaps and execution.
Mentor senior engineers, raise engineering standards, and build reusable specifications, design guides, validation methods, reference architectures, and lessons learned across network-switch programs.

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.
Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud Background Check upon hire/transfer and every two years thereafter.
Bachelor’s degree in Electrical Engineering, Computer Engineering, or a related field and 10+ years of technical engineering experience, or equivalent experience.
10+ years of experience designing and delivering board- or system-level hardware for networking, compute, storage, accelerator, or datacenter products across the hardware development lifecycle.
Experience leading architecture, requirements, design reviews, bring-up, validation, root-cause debug, and production readiness for complex hardware platforms.
Experience developing high-speed serial and high-current power-delivery hardware and leading execution across electrical, firmware, mechanical, thermal, SI/PI, validation, manufacturing, and system-integration disciplines.
Experience providing technical leadership across internal organizations and external ODM/OEM, silicon, component, or manufacturing partners.
Proven ability to identify architectural and execution risks, frame system tradeoffs, and drive decisions across performance, reliability, cost, schedule, and long-term platform value.
Experience architecting merchant-silicon Ethernet switch platforms for AI, cloud, hyperscale, or datacenter infrastructure.
Deep experience with switch ASIC, CPU, BMC, CPLD/FPGA, clocking, reset, power-delivery, telemetry, and hardware-management architectures.
Experience with 112G/224G PAM4, high-speed connectors, cable backplanes, retimers, pluggable optical modules, and end-to-end channel-budget tradeoffs.
Experience with SONiC hardware enablement, platform APIs, firmware interfaces, and switch-platform management.
Demonstrated ability to assess SI/PI analyses, PCB and package constraints, PDN behavior, power transients, thermal interactions, and laboratory correlation data.
Experience delivering hardware through architecture, EVT, DVT, PVT, production qualification, and high-volume manufacturing.
Experience defining supplier strategy, influencing technology roadmaps, and leading ODM/OEM execution across multiple concurrent programs.
Proven technical communication, specification writing, executive-level decision framing, mentoring, and cross-organization influence.

Skills

Networking
Azure AI infrastructure
Electrical Engineering
Architecture
Board design
System integration
Validation
Manufacturing
Deployment
Switch ASIC
CPU
BMC
CPLD/FPGA
Clocking
Reset
Power delivery
High-speed Ethernet
Retimers
Optical modules
Cable backplanes
Telemetry
Platform management
Schematic design
PCB stack-up
Signal integrity
Power integrity
Layout
BOM management
Component derating
DFT
DFM
DFR
Platform bring-up
Electrical validation
Interoperability testing
Stress testing
Reliability testing
Production testing
Debug
ODM/OEM management
Supplier management
Technical mentorship
Specification writing
Design guides
Validation methods
Reference architectures
High-speed serial hardware
High-current power delivery
Firmware
Mechanical engineering
Thermal management
SI/PI analysis
SONiC hardware enablement
Platform APIs
Firmware interfaces
Switch-platform management
PDN analysis
Power transient analysis
Thermal interaction analysis
Laboratory correlation
EVT
DVT
PVT
Production qualification
High-volume manufacturing
Supplier strategy
Technology roadmap influence
Executive-level decision framing
Cross-organization influence

Experience Level

Principal
7+ years technical engineering experience
8+ years technical engineering experience
10+ years of technical engineering experience
10+ years of experience designing and delivering board- or system-level hardware

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
Bachelor’s degree in Electrical Engineering, Computer Engineering, or a related field

Salary/Compensations

USD $142,800 - $274,800 per year (U.S. base pay range)
USD $188,000 - $304,200 per year (San Francisco Bay area and New York City metropolitan area base pay range)

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 and we are looking for passionate engineers to help achieve that mission.
As Microsoft's cloud business continues to grow the ability to deploy new offerings and hardware infrastructure on time, in high volume with high quality and lowest cost is of paramount importance.
To achieve this goal, 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 dedicated passion for customer focused solutions, insight and industry knowledge to envision and implement future technical solutions that will manage and optimize the Cloud infrastructure.

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.