Staff Engineer, Electromechanical Power Electronics (R6046)

Seattle · USD 187,000-281,000 / year · Onsite · Posted Sep 22, 2026

At a glance

Shield AI is seeking a Staff Engineer for Electromechanical Power Electronics to design complex electro-mechanical solutions for high voltage power electronics packaging, electrical interconnects, thermal management, and aircraft integration.
The role involves executing analysis to ensure survivability in harsh environments and ensuring avionics meet performance, safety, environmental, and EMI/EMC compliance standards.

Design complex electro-mechanical solutions for high voltage power electronics packaging, electrical interconnects, thermal management, and aircraft integration
Execute analysis to ensure survivability in harsh environments, such as structural, thermal, vibration, clearances, and PCBA hardening
Ensure avionics meet performance, safety, environmental, and EMI/EMC compliance standards, including DO-160, DO-254, DO-178C, MIL-STD-810, and MIL-STD-461
Own your design work from concept to implementation, through system verification and validation
Collaborate with electrical engineer and PCB designers to sure full scope board design and packaging meets the product demands

B.S. in Mechanical Engineering or equivalent
Strong use of CAD software (NX, SolidWorks, CATIA, or similar) for 3D modeling, drawing creation, and system layout
Familiarity with eCAD software (Altium, Cadence, Allegro), and harness design software (Capital, Zuken)
Exposure to working with electrical engineers to define PCB constraints, develop circuit cards, and care for all the mechanical interfaces
Familiarity with the PCB layout process and manufacturing methods
Experience with finite element analysis (FEA), thermal analysis, and fatigue/lifecycle testing
Ability to work in a fast-paced, agile development environment with evolving priorities

Bonus
Benefits
Equity
Temporary benefits package (applicable after 60 days of employment for temporary employees)