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 CMs, test engineering, and product design teams to scale cost-effective, high-yield processes.

Responsibilities Will Include:

Define manufacturing process flows, build station-level process documentation, and create tooling and fixture requirements for product assembly and test
Partner with CMs to bring up new lines, run capacity models, and validate takt times, throughput, and line balance
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
Develop ramp plans and execution tracking for NPI and scale transitions

Desired Qualifications:

B.S. in Mechanical, Electrical, or Manufacturing Engineering (or related)
3+ 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:

$120,000—$180,000 USD

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