Mechanical and Thermal Engineer – SoC to Rack Integration
Job in
Los Altos, Santa Clara County, California, 94024, USA
Listed on 2026-02-06
Listing for:
Majestic Labs ai
Full Time
position Listed on 2026-02-06
Job specializations:
-
Engineering
Systems Engineer, Mechanical Engineer, Electrical Engineering
Job Description & How to Apply Below
Overview
We are seeking a Principal Mechanical and Thermal Engineer to lead the hardware definition of our next-generation AI infrastructure. This is a high-impact leadership role where you will serve as the primary technical authority for the physical architecture of advanced server platforms. You will bridge the critical gap between ultra-high-power silicon packaging, liquid-cooled node design, and massive-scale Rack deployments.
Responsibilities- Blade & Chassis Design:
Lead the end-to-end mechanical definition of server blades, high-density chassis, and rack-level enclosures. - Structural Hardware:
Architect the integration of sliding rails, blind-mate connectors, precision standoffs, and high-load Extraction Handles. - Power & Interconnects:
Define mechanical paths for ultra-high-density power delivery (Busbars) and complex cable management. - Cold Plate Engineering:
Direct the design of Liquid Cooling Cold Plates, optimizing internal micro-channels and manifold fluid distribution. - Fluid Management:
Validate the selection and integration of Quick Disconnects (QDs) and leak-mitigation systems. - Simulation:
Drive thermal strategy for 1kW+ nodes using CFD to balance hybrid air/liquid cooling. - HVM Mastery:
Optimize designs for high-volume manufacturing using Precision Milling, Die Casting, and Complex Sheet Metal fabrication. - Environmental Ruggedization:
Ensure system integrity against Transportation Shock & Vibration and extreme Thermal/Humidity cycling. - Total Lifecycle Design:
Implement Design for Cost (DfC) and Easy Assembly (DFA) to ensure seamless serviceability and global deployment.
- Education:
B.S. or M.S. in Mechanical Engineering. - Experience:
12+ years in high-performance compute (HPC), AI hardware, or datacenter systems. - Architectural Pedigree: A proven track record of owning at least one full product lifecycle—from blank-page concept through High-Volume Manufacturing (HVM).
- Liquid Cooling Expertise:
Deep technical knowledge of fluid dynamics, wetted material compatibility, and the mechanical nuances of “Drip-Free” connector integration. - Manufacturing Mastery:
Expert-level understanding of metal fabrication (Milling, Casting, Sheet Metal) and how these processes impact thermal performance and structural integrity. - Simulation Proficiency:
Expert user of CFD and FEA tools for structural and vibration analysis. - Influence:
Ability to drive technical alignment across silicon, power, and optical engineering teams.
- Direct experience with AI/GPU-based architectures and ultra-high-density power delivery
- Deep familiarity with Open Compute Project (OCP) or ORV3 standards.
- Experience with blind-mate liquid and power interfaces.
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