Mechanical / Thermal Engineer

EPG is currently seeking a Mechanical / Thermal Engineer for one of our partners that is an established high-voltage battery and power-electronics company, bringing technology proven in demanding, high-reliability applications to a new backup-power product for AI data centers. In this position, you will own the mechanical packaging and thermal design that gets a high-voltage battery and power converter into a datacenter rack and keeps it cool under continuous duty.

Responsibilities

• Design the battery-pack and power-converter enclosure for datacenter rack integration.
• Own the thermal strategy, air- and liquid-cooled, for continuous duty.
• Handle rack space, weight, access packaging, and serviceability.
• Integrate rack airflow and cooling; own the thermal interface with the battery team.
• Own ingress protection and high-power-density enclosure design.

Required Qualifications

• BS in Mechanical Engineering.
• 5+ years of thermal management and mechanical packaging of power electronics or battery systems.
• Both air- and liquid-cooling design experience.
• High-power-density enclosure design plus thermal simulation.
• This role is onsite in the Pacific Northwest. Must be able to work in the United States without sponsorship (US Persons only, export-control requirement).

Preferred Qualifications

• Packaging automotive or aerospace battery/power systems into stationary or industrial products.
• Datacenter rack standards (EIA-310, OCP) and liquid-cooling infrastructure.

Benefits

• Competitive salary, relocation assistance, fully paid healthcare, and a strong 401(k) match.
• Own the full mechanical and thermal design of a clean-sheet 800V product.
• Build on technology already proven in demanding, high-reliability applications.