Mechanical Design Engineer, Energy Storage
Redwood MaterialsSan Francisco, California
Full Time
Posted December 16, 2025
$118k - $228k
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Application opens on company website
Job Description
A mechanical engineer at Redwood Materials will be responsible for designing, developing, and integrating high-power energy storage products, leading mechanical design efforts from concept to mass production, and eventually managing a mechanical engineering team in a fast-paced startup environment.
Key Responsibilities
- Design, develop, and integrate mechanical components and systems for high-power energy storage products
- Perform mechanical analysis (CFD, FEA, thermal) to validate designs and ensure performance
- Collaborate with electrical and systems engineers for seamless mechanical integration
- Select materials and components in coordination with suppliers to ensure quality and cost-effectiveness
- Lead and manage a mechanical engineering team, including recruiting and mentoring
- Drive innovation and solve technical challenges related to mechanical systems at scale
- Contribute to the development of tools, infrastructure, and design practices for a growing team
Requirements
- BS or MS in Mechanical Engineering or a related field
- 7 years of experience in mechanical engineering, with a strong focus in power conversion or energy storage products, ideally for mass production of 10,000 units per year or higher
- Proficiency in CAD software such as SolidWorks and analysis tools including CFD and FEA
- Experience developing tools, infrastructure, and design practices for a growing team
- Proven track record as a senior mechanical engineer with hands-on design, prototyping, and launch experience in medium-to-high volume production
- Understanding of the relationship between high voltage electronics and the mechanical systems that support and surround them, including insulation systems and thermal systems
- Ability to perform mechanical analysis such as CFD, FEA, thermal analysis to validate designs and ensure performance under real-world conditions
- Ability to select materials and components, working closely with suppliers and vendors to ensure cost-effective, high-quality solutions
- Experience leading and executing the mechanical design and development of high-volume, high-power energy conversion products from concept to deployment
- Experience acting as the primary mechanical engineering expert, driving innovation and solving technical challenges at a large scale
- Experience managing project goals and timelines as a hands-on engineering manager
- Ability to lead and mentor a mechanical engineering team, including recruiting and managing team members
- Excellent communication and interpersonal skills, capable of building relationships with all levels of the organization and presenting to internal and external executives
- Physical ability to perform essential job functions safely and successfully, consistent with ADA, FMLA, and other standards, including meeting productivity standards
- Ability to maintain regular, punctual attendance
- Ability to work in challenging conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE
- Essential physical activities such as climbing, standing, stooping, or typing
- Willingness to work occasional weekends, nights, or be on-call as part of the job
- Willingness to undertake occasional travel
Benefits & Perks
Compensation/salary range: $117,500 - $227,500 USD
Full-time position
Work environment includes challenging conditions such as exposure to noise, dust, chemicals, and temperature extremes, with PPE provided
Occasional work on weekends, nights, or being on-call
Occasional travel requirements
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