Mechanical Engineer, Energy Storage
Redwood MaterialsSan Francisco, California
Full Time
Posted December 8, 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 potentially managing a mechanical engineering team in a fast-paced startup environment.
Key Responsibilities
- Design, develop, and integrate high-power energy storage products, including thermal management, structural design, and packaging.
- Perform mechanical analysis such as CFD and FEA 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, mentoring, and project management.
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, such as insulation systems and thermal systems
- Ability to perform mechanical analysis including 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, including thermal management, structural design, packaging integration of power electronics, and integration with grid infrastructure
- 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
- Experience recruiting, mentoring, and managing a high-performance mechanical engineering team
- Excellent communication and interpersonal skills, capable of building relationships with all levels of the organization and presenting to internal and external executives
- Ability to perform the essential job functions safely and successfully in accordance with ADA, FMLA, and other federal, state, and local standards, including meeting productivity standards
- Ability to maintain regular, punctual attendance consistent with applicable standards
- Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE
- Essential physical requirements such as climbing, standing, stooping, or typing
- Willingness to work occasional weekends, nights, or be on-call as a regular part of the job
- Willingness to undertake occasional travel as required
Benefits & Perks
Compensation/salary range: $117,500 - $227,500 USD
Work schedule: Occasional work weekends, nights, or be on-call
Work environment perks: Ability to work in challenging conditions with PPE, physical requirements such as climbing, standing, stooping, or typing
Additional benefits: Full-time position, compensation commensurate with experience
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