Senior Mechanical Engineer

Mechanical Engineer wanted for a groundbreaking journey to develop grid-scale energy storage technology. Average pay. Demanding hands-on work, intense challenges, relentless problem-solving. Failure possible. Honor and recognition if successful.

$90,000.00 - $ per year

Senior Mechanical Engineer - Product and system design

We’re looking for a rockstar Engineer to design and develop an energy storage technology and ancillary systems.

Please note that this position requires previous experience in direct involvement in the design and commercialization of a physical product.

This is a hands-on role, ideal for an engineer who enjoys product design, prototyping, and problem-solving. You’ll work closely with our team to bring innovative, real-world products from design to manufacturing.

• Design, develop, and refine mechanical components and assemblies for our energy storage hardware.
• Collaborate with engineers and scientists to document and improve designs.
• Support the full product lifecycle; from concept and prototyping to validation, testing, and production.
• Troubleshoot design and performance challenges with creativity and technical precision.
• Oversee fabrication, testing, and performance evaluation.
• Conduct FEA simulations, tolerance analyses, and material selection for optimized designs.
• Bring creative, practical solutions to complex engineering challenges and help protect key IP.
• Participate in design, brainstorming, and problem-solving with the broader engineering team.
• Contribute to internal design standards, tools, and documentation processes.

• Bachelor’s or Master’s degree in Mechanical Engineering or related field.
• 3+ years of experience in mechanical design and product development.
• Demonstrated experience designing and launching a physical product (UL listed or outdoor rated preferred).
• Strong understanding of manufacturing principles and process optimization.
• Proficiency in CAD software, structural analysis, and DFM.
• Solid understanding of materials, manufacturing processes, and design for manufacturability.
• Strong technical, creative, and troubleshooting skills.
• This role requires close collaboration across disciplines, so teamwork and communication are essential.

• Knowledge of electronics integration or mechatronics.
• Experience working in regulated or safety-critical environments.
• DFMA
• Experience coordinating with contract manufacturers or large-scale production partners.

Please check out our other job opportunities on our website, Capybara.

Energy

• Equity
• Company funded HSA
• 3 weeks paid time off
• Sick pay & parental leave
• 10 paid holidays
• Health and dental insurance
• 401(k) match
• Advanced snacks

U.S. citizenship or lawful permanent resident status is required due to federal contract requirements.