Redwood Materials · 3 weeks ago
Mechanical Design Engineer, Energy Storage
San Francisco, California, United States
Full-time
Onsite
Senior Level, Lead/Staff
$118K/yr - $228K/yr
7+ years expRedwood Materials is focused on localizing a global battery supply chain that integrates recovery, reuse, and recycling to drive the energy transition. The Mechanical Design Engineer will take a hands-on role in designing and developing high-power electromechanical products, leading a mechanical engineering team, and ensuring successful product integration.
Advanced MaterialsBatteryElectric VehicleRenewable EnergySustainability
Responsibilities
Lead and execute the mechanical design and development of a high-volume, high-power energy conversion product from concept to deployment, including thermal management, authoring requirements, structural design, packaging/integration of power electronics, and integration with grid infrastructure
Act as the primary mechanical engineering expert, driving innovation and solving technical challenges at a large scale
Perform mechanical analysis (CFD, FEA, thermal, etc.) to validate designs and ensure performance under real-world conditions
Collaborate with electrical and systems engineers to ensure seamless integration of mechanical systems into the overall system architecture
Select materials and components, working closely with suppliers and vendors to ensure cost-effective, high-quality solutions
Be a hands-on engineering manager, accountable for project goals and timelines
Take a leadership role in recruiting, mentoring, and managing a high-performance mechanical engineering team
Contribute to a collaborative, fast-paced startup culture, where every team member plays a crucial role in achieving company milestones
Qualification
Required
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
An understanding of the relationship between high voltage electronics and the mechanical systems that support and surround them (e.g. insulation systems and thermal systems.)
Proven track record as a senior mechanical engineer, with hands-on design, prototyping, and launch experience in medium-to-high volume production (10,000 units/yr or higher)
Proficiency in CAD (e.g., SolidWorks) and analysis tools (CFD, FEA, etc.)
Experience developing tools, infrastructure and design practices for a growing team
Self-motivated, with the ability to manage your work in a startup environment, balancing multiple priorities and deadlines
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 consistent safely and successfully with the ADA, FMLA and other federal, state and local standards, including meeting qualitative and/or quantitative productivity standards
Ability to maintain regular, punctual attendance consistent with the ADA, FMLA and other federal, state, and local standards
Ability to work in challenging working conditions which may include exposure to noise, dust, chemicals, and temperature extremes, while protected by PPE, for extended periods of time
Essential physical requirements, such as climbing, standing, stooping, or typing
Occasional work weekends, nights, or be on-call as a regular part of the job
Occasional travel requirements
Company
Redwood Materials
Redwood Materials is a battery recycling startup that makes electric vehicles and sustainable materials for circular supply chains.
1001-5000 employees
H1B Sponsorship
Redwood Materials has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (34)
2024 (26)
2023 (12)
2022 (9)
2021 (3)
2020 (1)
Funding
Current Stage
Late StageTotal Funding
$4.17BKey Investors
Eclipse VenturesUS Department of EnergyT. Rowe Price
2025-10-23Series E· $350M
2023-08-29Series D· $1B
2023-02-09Debt Financing· $2B
Leadership Team
JB Straubel
founder, CEO
Colin Campbell
Chief Technology Officer
Recent News
2025-12-18
Crunchbase News
2025-12-17
Company data provided by crunchbase