Redwood Materials · 1 month ago
Manufacturing Engineer, Energy Storage
San Francisco, CA
Full-time
Onsite
Senior Level
$140K/yr - $220K/yr
5+ years expRedwood Materials is focused on localizing a global battery supply chain aimed at enhancing the energy transition through recovery, reuse, and recycling of critical minerals. The Manufacturing Engineer for Energy Storage will be responsible for developing and optimizing production lines for high-voltage systems, collaborating with engineering teams to ensure efficient and high-quality production processes.
Advanced MaterialsBatteryElectric VehicleRenewable EnergySustainability
Responsibilities
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
Qualification
Required
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
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