About this opportunity
Capybara Energy lists this Senior Mechanical Engineer opportunity in woburn, Massachusetts. Review the employer’s description below for duties, qualifications and application requirements.
Job description
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.
Pay: $90,000.00 - $120,000.00 per year
Senior Mechanical Engineer - Product and system design
About the Role:
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.
Key Responsibilities:
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.
Qualifications:
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.
Preferred Skills:
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.
What We Offer:
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.
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Worksite address
woburn, MA, 01813, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.