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Mechanical Engineering Lead, Energy Storage

Redwood Materials
California
About Redwood Materials

Redwood is localizing a global battery supply chain that seamlessly integrates recovery, reuse, and recycling — keeping critical minerals in circulation and driving the energy transition. Founded in 2019, we're delivering low-cost and large-scale energy storage and producing battery materials in the U.S. for the first time, all from batteries we already have.

Mechanical Engineering Lead, New Products

You will be an early member of a new engineering team, taking a hands-on role in the design, development, and integration of a new product at Redwood. This position starts as a senior individual contributor, where you'll be responsible for designing critical mechanical components and systems related to batteries, including thermal management, harnessing, enclosures and structures, while also collaborating closely with electrical, software, and systems engineering teams. As the product builds momentum, you will be instrumental in building and leading a mechanical engineering team, setting the foundation for scaling our product.

The ideal candidate is highly self-driven, adaptable to a startup environment, and eager to take on both technical and leadership challenges. If you're excited about working in a dynamic, fast-paced setting and helping to shape the mechanical engineering function within a new department at Redwood, we want to hear from you!

If necessary, the job level will be adjusted to suit the applicant's experience and responsibilities.

Responsibilities will include:

  • Lead and execute the mechanical design and development of a large-scale renewable energy solution 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.
  • Manage engineering projects in a hands-on capacity to deliver on project goals and timelines.
  • As the project scales, 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.

Desired Qualifications:

  • BS or MS in Mechanical Engineering or a related field.
  • 7+ years of experience in mechanical engineering, with a strong focus in batteries, renewable energy systems, or similar large-scale projects.
  • Proven track record as a senior mechanical engineer, with hands-on design, prototyping, and testing experience in building products at scale.
  • Proficiency in CAD (e.g., SolidWorks) and analysis tools (CFD, FEA, etc.).
  • Experience in the development of 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, with ability to build relationships with all levels of the organization and present to internal and external executives.

In accordance with California pay transparency laws, the salary range for this position is listed below. Actual compensation may vary based on a variety of factors, including experience, education, and skills.

California Pay Range:

$183,500—$296,500 USD

The position is full-time. Compensation will be commensurate with experience.

We collect personal information (PI) from you in connection with your application for employment with Redwood Materials, including the following categories of PI: identifiers, personal records, professional or employment information, and inferences drawn from your PI. We collect your PI for our purposes, including performing services and operations related to your potential employment. If you have additional privacy-related questions, please contact us at [email protected].
Posted 2026-01-24

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