Principal Design Engineer

You will own full-lifecycle engineering design for the Spark modular data center product line. You will lead electrical, structural, and thermal design, apply design-for-manufacturing practices, ensure safety compliance, develop factory acceptance testing, manage external partners, lead liquid-cooling transitions, and deliver complete engineering packages.

Responsibilities

• Drive medium- and low-voltage electrical architecture
• Lead structural enclosure design
• Lead thermal management for DLC and CDU systems
• Apply design-for-manufacturing practices to design revisions
• Ensure compliance with UL, CE, NEC, NFPA, and OSHA standards
• Develop and improve factory acceptance testing protocols
• Manage external design firms and specialty consultants
• Lead systems engineering for the transition to liquid cooling
• Own drawings, specifications, BOMs, and interface control documents
• Deliver engineering packages for manufacturing handoff

Requirements

• Bachelor's degree in Electrical Engineering, Mechanical Engineering, or a related discipline
• 10+ years of progressive engineering experience in data center design, modular infrastructure, or industrial power systems
• 10+ years of experience managing external design engineering partners with budget and schedule accountability
• Mastery of medium-voltage power distribution
• Expertise in structural analysis for containerized systems
• Knowledge of heat transfer fundamentals
• Experience with seismic and wind load calculations
• Expert knowledge of NFPA 70E and arc flash hazard analysis
• Knowledge of UL and CE compliance
• Proficiency with CAD/BIM platforms, electrical single-line design tools, or thermal simulation software
• Master's degree and active PE license are strongly preferred
• HPC and large-scale AI workload experience is preferred
• Agency certification experience is preferred
• Experience scaling products from prototype through high-volume production is preferred

Benefits

• Restricted Stock Units
• Paid time off
• Paid holidays
• Comprehensive health insurance
• Dental insurance
• Vision insurance
• Employer HSA contributions
• Paid parental leave
• Paid life insurance
• Short-term disability insurance
• Long-term disability insurance
• Professional development
• Tuition reimbursement
• Mental health and wellness support
• Commuter benefits
• Cell phone stipend
• 401(k) retirement plan with company match up to 4% of salary
• Volunteer time off