Senior Mechanical Engineer (Chassis)

Piper Companies is seeking a Senior Mechanical Engineer (Chassis) to join a cutting-edge AI hardware startup focused on high-performance computing infrastructure. The Senior Mechanical Engineer (Chassis) will lead the design and development of system chassis and enclosures for next-generation rack-mounted computing platforms, driving innovation across mechanical architecture, manufacturability, and system integration. Must be onsite in Saratoga, CA Responsibilities of the Senior Mechanical Engineer (Chassis): Lead the mechanical architecture and design of rack-mounted computing systems, including sheet-metal chassis, enclosures, and structural frames. Design board-level mounting structures, card cages, PSU mounts, and cable management solutions for high-speed electronics. Develop manufacturable sheet-metal components including bending, stamping, PEM hardware integration, and tolerance stack-ups. Collaborate with manufacturing partners to optimize designs for cost, scalability, and assembly efficiency. Partner with thermal engineering teams to integrate cooling solutions such as cold plates, liquid cooling hardware, airflow ducting, and manifolds. Ensure designs meet thermal performance, serviceability, and reliability requirements. Drive Design for Manufacturing (DFM) and Design for Assembly (DFA) throughout the product lifecycle. Create production-ready CAD models, detailed drawings, and support supplier/ODM engagements. Support prototype builds, EVT/DVT/PVT validation, and production ramp activities. Conduct structural validation, shock/vibration testing, thermal cycling, and reliability assessments. Investigate failures, perform root‑cause analysis, and implement design improvements. Collaborate cross-functionally with electrical, thermal, manufacturing, and supply chain teams to ensure successful system integration. Qualifications of the Senior Mechanical Engineer (Chassis): Bachelor’s or Master’s degree in Mechanical Engineering or related field. 7+ years of experience designing mechanical systems for electronics hardware. Hands‑on experience designing sheet‑metal chassis and enclosures for rack‑mounted systems. Proven experience taking designs from concept through production. Strong understanding of sheet‑metal fabrication processes including bending, stamping, PEM hardware, and tolerance stack‑ups. Experience with DFM/DFA principles and manufacturing best practices. Proficiency with 3D CAD tools such as SolidWorks, Creo, or NX. Strong communication skills and ability to work in cross‑functional engineering environments. Experience in server, networking, or data center hardware environments preferred. Experience integrating liquid cooling solutions and working with ODMs or contract manufacturers preferred. Familiarity with simulation tools such as Ansys Mechanical, Icepak, or Flotherm is a plus. Experience supporting EVT/DVT/PVT builds and reliability testing is preferred. Compensation for the Senior Mechanical Engineer (Chassis) includes: Salary range: $210,000 - $260,000 Comprehensive benefits package including medical, dental, vision, life insurance, and disability coverage This job opens for applications on 06/28/2026. Applications for this job will be accepted for at least 30 days from the posting date. #J-18808-Ljbffr Piper Companies