Staff Applications Engineer
- Salary
- $167,500 - $220,000
- Level
- Staff
- Work type
- On-site · San Francisco
Not stated in the posting: visa.
Open. First seen 8 October 2026.
About the role
Redwood Materials's standard text
About Redwood Materials
Redwood Materials was founded in 2017 by JB Straubel, co-founder and former CTO of Tesla, on a simple but radical idea: the critical minerals powering the energy transition already exist. They just need to come back. Today Redwood is the largest lithium-ion battery recycler in North America — recovering, refining, and redeploying critical minerals from end-of-life batteries back into the supply chain.
On the energy side, Redwood has deployed the largest second-life battery project in the world, delivering power to AI data centers in months rather than years using proprietary energy architecture engineered entirely in-house. The company is profitable, the market it operates in is projected to grow 20 to 50 times over the next decade, and Redwood is the only company with the supply chain, the technology, and the operational scale to lead it.
Position Summary:
The position serves as the technical bridge between Redwood's BESS product design team and the deployment, construction, and service teams who install and maintain its products in the field. Embedded with product design, the role translates field experience into design requirements and helps drive the team's technical roadmap toward products that are cheaper and easier to deploy and service. The position independently defines and executes validation of installability and serviceability, and develops the procedures, tools, and equipment that EPC and service partners use in the field.
This is a fully on-site role at 100 Hooper in San Francisco, with approximately 25% travel to project sites and partners. Success requires deep system-level technical understanding combined with practical knowledge of how installers and service technicians actually work.
Essential Duties and Responsibilities
- Represent deployment, construction, and service needs within the product design team, translating field feedback into clear design requirements
- Guide the BESS technical roadmap by identifying and prioritizing design changes that reduce installed cost, install time, and service burden
- Drive new product and design improvements in partnership with mechanical, electrical, and firmware engineers
- Develop and execute test plans with test engineering to validate the installability and serviceability of products
- Develop installation and service procedures, tooling, and equipment in partnership with EPC and service teams
- Support field deployments and service events on-site to diagnose issues, gather data, and close the loop on design gaps
- Advise cross-functional stakeholders on system-level technical tradeoffs affecting deployment and serviceability
Skills, Knowledge, and Abilities
- Bachelor's degree in Mechanical or Electrical Engineering preferred, or equivalent experience
- 8+ years of experience in industrial battery storage or solar installation, design, or deployment
- Deep system-level understanding of BESS or PV systems, including DC and AC electrical architecture and applicable codes (e.g. NEC)
- Experience as a licensed or journeyman electrician is a plus
- Mechanical design experience (e.g. CAD) is a plus
- Demonstrated ability to work independently, set priorities, and influence cross-functional teams without direct authority
- Ability to travel up to 25% of the time, including to active construction sites
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:
$167,500—$220,000 USD
The position is full-time. Compensation will be commensurate with experience.
Redwood Materials's standard text
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 privacy@redwoodmaterials.com.
What this role asks for
66% of this description is written for the role. The rest is Redwood Materials's standard text, folded away below.
Read against Redwood Materials's other open postings on this site.
The team: Engineering & Technology HIRES STEADILY
This role is one of 51 open in Engineering & Technology. 13 were posted in the last 30 days and the oldest in October: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Python (19 of 51), Embedded Systems (14 of 51), PCB Design (8 of 51), Simulink (8 of 51), C (7 of 51), MATLAB (7 of 51), AWS (6 of 51)
OTHER ROLES ON THIS TEAM
- Staff Power Electronics Engineer, Energy Storage posted Oct 14
- Electrical Engineer, Energy Storage posted Oct 14
- Supplier Industrialization Engineer, Mechanical Components posted Oct 13
- Senior Battery Test and Validation Engineer posted Oct 13
- Senior Battery Data Engineer posted Oct 13
- Supplier Industrialization Engineer (SIE) – Electronics & PCBA posted Oct 8
- Staff Electrical Engineer, Energy Storage BoP posted Oct 7
- Senior Power Systems Engineer, Energy Storage posted Oct 7
- Staff Power Systems Engineer, Hardware in Loop posted Oct 5
- Principal Engineer, Extractive Metallurgy posted Oct 5
- Senior DevOps Engineer posted Oct 3
- Senior Power Electronics Engineer, Energy Storage posted Sep 29
- Senior Manager - Service Engineer, Energy Storage posted Sep 16
- Global Supply Manager, Electronics & PCBA posted Sep 6
- Manufacturing Equipment Engineer posted Sep 4
- Staff Cathode Engineer posted Sep 4
- Senior Technical Program Manager, Production Engineering posted Aug 11
- Software Validation Engineer, Energy Storage posted Aug 7
- Battery Software Integration Engineer, Energy Storage posted Aug 7
- Staff Chemical Engineer posted Aug 5
- Senior Mechanical Engineer, Production posted Aug 1
- Staff Mechanical Design Engineer, Big Machines posted Jul 31
- Cathode Design Engineer posted Jul 29
- Electronics Technician posted Jul 27
- Production Engineering Manager posted Jul 24
- Development Engineering Technician posted Jul 24
- Senior Systems Engineer, Energy Storage posted Jul 22
- Senior Data Engineering Manager posted Jul 17
- Senior Analytics Engineer posted Jul 16
- Embedded Software Engineer – Power Electronics, Energy Storage posted Jul 9
- IT Support Specialist posted Jun 30
- Software Engineer - ML/Computer Vision (Battery Sorting) posted Jun 23
- Software Engineer - Site Controller, Energy Storage posted Jun 23
- Functional Safety Engineer, Energy Storage posted Apr 21
- Abuse Test Engineer, Energy Storage posted Apr 9
- Mechanical Design Engineer, Energy Storage posted Mar 26
- Field Quality Engineer, Energy Storage posted Mar 25
- Reliability Engineer, Energy Storage posted Mar 25
- Service Engineer, Energy Storage posted Mar 10
- Senior Software Engineer, Energy Storage posted Mar 10
- Staff Software Engineer posted Feb 13
- Hardware Technical Program Manager, Energy Storage posted Jan 13
- Infrastructure Software Engineer, Energy Storage posted Dec 16
- Power Electronics Controls Engineer, Energy Storage posted Dec 16
- Senior Manufacturing Quality Engineer, Energy Storage posted Dec 16
- Power Electronics Engineer, Energy Storage posted Dec 16
- Sr. System Modeling Engineer, Energy Storage posted Dec 15
- Software Technical Program Manager, Energy Storage posted Dec 10
- Staff Controls Engineer posted Oct 30
- Staff Software Engineer, Factory Automation posted Oct 24
From the team and dates on Redwood Materials's own job board.
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