Principal Mechanical Engineer - AI Systems

Microsoft•Mountain View, CA

About The Position

Microsoft Silicon, Cloud Hardware, and Infrastructure Engineering (SCHIE) is responsible for powering Microsoft’s “Intelligent Cloud” mission by delivering the core infrastructure and foundational technologies for Microsoft's over 200 online businesses. The Mechanical Engineering team within SCHIE develops server, rack, and infrastructure platforms for Microsoft's global cloud and AI services, collaborating with various teams to deliver innovative hardware solutions. The Principal Mechanical Engineer will lead the design and deployment of future high density, liquid-cooled systems in Azure datacenters.

Requirements

Doctorate in Mechanical Engineering, or related field AND 3+ years related technical engineering experience OR Master's Degree in Mechanical Engineering, or related field AND 4+ years related technical engineering experience OR Bachelor's Degree in Mechanical Engineering, or related field AND 6+ years related technical engineering experience OR equivalent experience.
Ability to meet Microsoft, customer, and/or government security screening requirements is required for this role.
Microsoft Cloud Background Check: This position is required to pass the Microsoft Cloud Background Check upon hire or transfer and every two years thereafter.

Nice To Haves

Expertise in CAD software (e.g., PTC Creo,)
understanding of mechanical design principles, fluid dynamics, heat transfer, manufacturing processes, and validation.
Working knowledge of cloud infrastructure, data center operations, and related technologies, such as server racks, power distribution, cooling systems, and cable management.
Prior development experience of liquid cooled AI or HPC systems.
Experience with development of specifications, interface control documents, and managing design requirements.
Proven analytical and problem-solving skills, with the ability to identify and resolve mechanical design issues and optimize system performance.
Experience with cabling and networking interconnect technology.
Experience partnering with ODM and suppliers to develop products.

Responsibilities

Lead Mechanical Development: Deliver innovative mechanical designs for server and cooling systems, integrating thermal, structural, and electrical constraints with a deep understanding of server architecture and adjacencies.
Predictive Analysis & Empirical Validation: Apply advanced modeling (FEA, CFD, tolerance analysis) and empirical testing to validate structural, thermal, and reliability performance.
Design for Manufacturing & Reliability: Ensure manufacturability, cost-efficiency, and long-term reliability through material selection, tolerance control, supplier engagement, and understanding of tooling and manufacturing processes.
Drive for Results: Set clear goals with measurable outcomes, manage risk, and ensure timely delivery of high-quality hardware solutions across product lines.
Strategic Thinking: Translate business and customer needs into scalable mechanical strategies that align with long-term product and platform vision.
Technology Pathfinding: Develop and explore innovative design strategies that anticipate future trends, opportunities, and industry shifts.
Develop Technical Talent: Mentor engineers to become thought leaders, fostering growth through challenging assignments and continuous feedback.
Engineering Rigor & Agility: Balance innovation with disciplined execution, ensuring quality as a key participant in structured design reviews, test planning, and root cause analysis.
Cross-Functional Collaboration: Partner with electrical, thermal, reliability, and other domains to deliver cohesive, customer-focused solutions.
Invent & Protect: Identify and develop intellectual property, encouraging patent filings and contributing to Microsoft’s innovation portfolio.
Tool & Process Advancement: Evaluate and implement new tools, technologies, and methodologies to improve design quality and team productivity.