Mechanical Design Engineer, Energy Storage
Redwood MaterialsSan Francisco, California
Full Time
Posted February 27, 2026
$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 and conversion products, leading mechanical design efforts, and potentially managing a team to scale production in a fast-paced startup environment.
Key Responsibilities
- Design, develop, and integrate high-power energy storage products, including thermal management, structural design, and packaging of power electronics
- Perform mechanical analysis such as CFD and FEA to validate designs and ensure performance under real-world conditions
- Collaborate with electrical and systems engineers to ensure seamless mechanical integration into overall system architecture
- Select materials and components in collaboration with suppliers to ensure cost-effective, high-quality solutions
- Lead and manage a mechanical engineering team, including recruiting, mentoring, and overseeing project goals and timelines
Requirements
- A 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.
- Proven track record as a senior mechanical engineer, with hands-on design, prototyping, and launch experience in medium-to-high volume production.
- Experience in mechanical analysis such as CFD, FEA, thermal analysis, to validate designs and ensure performance under real-world conditions.
- Proficiency in CAD software, e.g., SolidWorks, and analysis tools such as CFD and FEA.
- Experience developing tools, infrastructure, and design practices for a growing team.
- Understanding of the relationship between high voltage electronics and the mechanical systems that support and surround them, e.g., insulation systems and thermal systems.
- Ability to select materials and components, working closely with suppliers and vendors to ensure cost-effective, high-quality solutions.
- Ability to perform 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.
- Ability to act as the primary mechanical engineering expert, driving innovation and solving technical challenges at a large scale.
- Experience managing projects, including being accountable for project goals and timelines.
- 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.
- Physical ability to perform essential job functions safely and successfully, consistent with ADA, FMLA, and other federal, state, and local standards, including meeting productivity standards.
- Ability to maintain regular, punctual attendance consistent with ADA, FMLA, and other standards.
- Ability to work in challenging conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods.
- 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 range: $117,500 - $227,500 USD
Full-time position
Work environment may include 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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