Principal Mechanical Design Engineer

Upscale, Inc., is building the high-performance infrastructure powering the next generation of artificial intelligence. Backed by over $500M in funding and rapid global adoption, we are scaling systems designed for the world’s most demanding AI workloads.

We focus on first-principles engineering across silicon, systems, and networking—where performance, scale, and execution are critical. Our team is talent-dense and high-performing. We value ownership, technical rigor, and speed, and we offer the opportunity to work on foundational problems with immediate, real-world impact.

If you’re looking to do high-impact work, move fast, and help define the infrastructure behind the future of AI—Upscale is where you can produce meaningful work at the frontier—and operate at a high standard.

As a Principal Mechanical Design Engineer - You will be responsible for being the lead mechanical lead design engineer in working cross functionally with other HW engineers and operations in developing high-quality low-cost system design solutions. You will work in close collaboration with HW EE, SI, Mechanical/Thermal Engineers peers, operations teams, contract manufacture and mechanical enclosure suppliers.

• Strong understanding of liquid ORV3 cooled system design
• Strong understanding of comprehensive thermal requirements with high complexity heatsinks, custom cold plates, manifolds and advanced thermal solutions
• Lead, mentor, and less experienced mechanical design engineers. Provide technical guidance and problem-solving expertise
• Excellent understanding of the mechanical development phases, from feasibility, hand calculations & trade studies to conceptual CAD generated to detailed design files, prototyping, testing, through final production release
• Collaborate with cross-functional teams including electrical engineering, software, manufacturing, and product management to ensure seamless integration and product success
• Strong understanding of part drawing standards and tolerancing practices
• Strong understanding of the overall product development process
• Identify and implement new technologies and tools to enhance design capabilities and efficiency
• Strong understanding of the product compliance system requirements with relevant industry test standards
• Strong understanding of product testing. Capable of determining test setup and both non-operational vibration and shock test limits to ensure product quality
• Present detailed system design/thermal reviews across the entire NPI team
• Strong team collaboration. Conduct and participate in whiteboard brain discussions with the entire team
• Work closely with mechanical suppliers to better understand manufacturing capabilities, delivering high-quality, low-cost part design solutions
• Willing to share the sustaining effort and/or support
• Willing to travel to support both domestic and/or foreign supplier parts and assembly FAI approvals. Support operations contract manufacturing partner by being on site for early development, QA and FCS builds

• Bachelor's degree in mechanical engineering
• Minimum of 15 plus years of experience in network enclosure system design
• Proven track record of successfully leading and delivering high-quality low-cost complex design solutions
• Strong proficiency in CAD software (Solid Works and PDM)
• Expertise in DFM (Design for Manufacturing) and DFA (Design for Assembly) principles
• Strong understanding of part manufacturing processes (e.g., injection molding, sheet metal fabrication, machining)
• Strong understanding of estimated mechanical enclosure parts & hard tooling cost
• Excellent communication, and interpersonal skills
• Ability to manage multiple projects simultaneously and prioritize tasks and resources effectively
• Probl…