Job Description
As the Battery system mechanical lead, you will be responsible for all mechanical aspects of battery systems for X-BAT, the Launch and Recovery Vehicle, and ground equipment. This includes battery enclosure design, internal cell packaging and interconnection, qualification, integration, and release to manufacturing.
You will help us build a team of world-class engineers to support all design needs. A vertically integrated battery pack design will enable top performance, ease of integration, reliability, and rapid supply chain procurement. If you enjoy working cross-functionally and solving hard problems, please apply!
Responsibilities
What you'll do:
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Design, develop, and integrate internal components (cells, PCBAs, current collectors, etc.) mounting and retention, cell compliance, coolant routing, vent routing, harness and connector integration
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Collaborate with thermal department on executing internal thermal design (material selection, insulation, heatsink, flow rates, pressure drops, etc.)
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Coordinate with process engineering and battery experts to determine weld schedule for cell electrode-to-current collector interfaces
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Drive optimal performance while managing size, weight, DFM, safety, and reliability
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Hands-on prototyping, testing, qualification, and handoff to production
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Define assembly drawings, designing for tolerance, assembly, and serviceability
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Ensure system performance and reliability is met through rigorous System-level shock, vibration, and thermal verification
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Investigate root-cause for the mechanical package, environmental, manufacturing, etc.
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Support design reviews, drive execution of assigned engineering deliverables in support of program objectives
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Work in a fast-paced environment
Requirements
Required qualifications:
- You have a B.S. in Mechanical Engineering or equivalent
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Battery module design experience on power systems (large aircraft, submarine, automotive, etc.)
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5+ years relevant experience
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Have delivered battery power systems to market
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Proficient with mechanical engineering development tools, simulation, and test equipment
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Strong technical fundamentals and analysis
About the job
- Posted on
- Feb 10, 2026
- Job type
- Full-time
- Location
- Seattle, WashingtonOn-site
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