Manufacturing Engineer, Energy Storage

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.

Manufacturing Engineer, Energy Storage

Essential Duties:

We are looking for a highly capable and hands-on Manufacturing Engineer to drive the development, optimization, and scaling of production lines for a complex high-voltage system. This system includes high-power electronics, thermal components, and electromechanical integration. You'll work closely with test engineering and product design teams to scale cost-effective, high-yield processes both in-house and at CMs.

Responsibilities Will Include:

• Design and bring up new in-house assembly lines for NPI & volume production builds, including leading equipment validation, process documentation, and line readiness reviews

• Establish takt-time targets and optimize line balance to meet efficiency & throughput goals

• Troubleshoot issues on the line and drive corrective actions for yield, first-pass success rate, and build quality

• Own DFM and DFT efforts, providing clear, actionable feedback to engineering

• Collaborate with quality and test engineering to ensure process stability, traceability, and defect containment

• Analyze production data and develop dashboards to identify trends, bottlenecks, and cost-reduction opportunities

Desired Qualifications:

• B.S. in Mechanical, Electrical, or Manufacturing Engineering (or related)

• 5 - 10 years of experience in production support or NPI for high-power electronics or electro-mechanical assemblies

• Strong technical knowledge of SMT, reflow, box build, mechanical assembly, and HV safety processes

• Ability to write and maintain SOPs, work instructions, and training document

• Experience working with CMs on high-volume production environments

• Familiarity with MES systems, Python/SQL for data extraction, or Lean Six Sigma certification

Physical Requirements:

• 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

Working Conditions:

• Environment, such as office or outdoors

• 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

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:
$140,000—$220,000 USD

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

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