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 2017, 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.
Staff Mechanical Design Engineer, EPC
Redwood Materials is hiring for a Staff Mechanical Design Engineer to join our Engineering, Procurement, and Construction team. This role is at the center of our activities focused on creating a sustainable circular economy for lithium-ion batteries by transforming recycled materials into battery materials for new lithium-ion battery production.
Responsibilities will include:
- Serve as Mechanical Engineer of Record on projects (Hazardous occupancy, clean and dry spaces, chemical process / industrial plants), responsible for mechanical / plumbing deliverables (specifications, calculations, permit / construction documents).
- Design ownership for a wide range of mechanical and plumbing systems including, but not limited to: industrial/non-potable water, HVAC systems (labs, offices, industrial plants), process heating / cooling systems humidifiers, dehumidifiers, abatement systems (dust collectors, scrubbers), cooling towers, fans/pumps, plumbing, etc.
- Review conceptual designs from developing Engineers and identify technical and financial risks.
- Responsible for designing/reviewing mechanical engineering deliverables with respect to code compliance and ensuring design maintains the highest level of quality.
- Develop and improve project workflows and standards to ensure each design is consistently excellent.
- Participate in on-field construction and commissioning activities by serving as the point of contact for technical questions and real-time issue resolution.
- Multi-discipline collaboration on the development of equipment general arrangements, P&IDs, isometrics, tie-in lists and material takeoffs.
- Travel to project site and meetings as needed.
Desired Qualifications:
- Bachelor’s Degree in Mechanical Engineering or an equivalent discipline.
- Licensed Professional Engineer with NCEES record with ability to apply for NV and SC
- 7+ years of work experience in HVAC and Plumbing/FP design.
- Expert familiarity with ICC including International Energy Conservation, Mechanical, Plumbing and Fire Protection Codes, NFPA standards, SMACNA duct construction standards, ACGIH Ventilation Practices and ASHRAE
- Working knowledge of designing the following equipment types: condenser fluid heat rejection systems, chillers, boilers, air handling units, air and water source heat pumps, dust collectors, humidifiers, dehumidifiers, fans, and pumps.
- Working knowledge or experience with the following is preferred: Abatement systems (thermal oxidizers, dry and wet scrubbers), Heat Exchangers (shell/tube, plate/frame, brazed fin), Control Valves and Instrumentation, and Heat Recovery Systems.
- Working knowledge of writing sequences of operation for HVAC and chilled water systems.
- Ability to specify ductwork material and size for various ducted exhaust systems and pressure classes.
- Ability to specify pipe material and size for various thermal hydronic systems.
- Ability to create or edit construction specifications covering mechanical, process piping and plumbing systems.
- Proficient in the use of Revit and AutoCAD. Experience sourcing and specifying mechanical equipment and executing RFP process.
- Strong experience with engineering software packages: Pipe-Flo (or other hydraulic modeling application), Caesar II, AspenTech applications and/or Applied Flow Technology applications, Carrier HAP, Trane Trace, Navisworks, Bluebeam.
The position is full-time. Compensation will be commensurate with experience.
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Skills Required
- Bachelor's Degree in Mechanical Engineering or equivalent discipline
- Licensed Professional Engineer with NCEES record
- 7+ years of work experience in HVAC and Plumbing/FP design
- Expert familiarity with ICC, NFPA standards, and SMACNA duct construction standards
- Proficient in the use of Revit and AutoCAD
- Working knowledge of engineering software packages such as Pipe-Flo, Caesar II, etc.
Redwood Materials Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Redwood Materials and has not been reviewed or approved by Redwood Materials.
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Fair & Transparent Compensation — Pay is considered okay to good overall, often competitive for engineering and corporate roles while closer to local norms in hourly operations.
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Equity Value & Accessibility — Stock options or equity are included in many offers, providing additional upside beyond base pay.
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Parental & Family Support — Parental leave is viewed positively, with maternity and paternity leave standing out within the package.
Redwood Materials Insights
What We Do
Redwood is developing a fully closed-loop, domestic supply chain for lithium-ion batteries. Our team manufactures critical battery components using as many recycled batteries as possible — localizing a 50,000-mile global supply battery chain on a single site.






