Software Engineer Jobs at Redwood Materials with Visa Sponsorship
Software Engineer jobs at Redwood Materials sit at the intersection of clean energy manufacturing and complex systems work, from battery recycling automation to supply chain software. The company has a consistent track record of sponsoring international engineers across multiple visa categories, making it a realistic target for candidates who need work authorization.
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Get Access To All JobsAbout 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.
The Redwood Vision: Architecting the Future of the Grid
We are at the precipice of a global energy transition. At Redwood Materials, we are moving beyond battery recycling to build the most advanced, circular energy ecosystem on the planet. Our goal is to shift the industry from static, hardware-heavy infrastructure toward agile, software-defined energy assets. The Software Validation team ensures that these complex systems are safe, resilient, and ready for grid-scale deployment. As a Software Validation Engineer, you are the bridge between pure code and physical reality. You will design and maintain the environments—Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL)—that allow us to stress-test our power electronics and site controllers. Your mission is to build the automated frameworks that catch edge cases before they hit the field, ensuring every product we ship meets the highest standards of reliability.
Key Responsibilities
- Validation Environment Design: Architect and scale our SIL and HIL environments (using platforms like Typhoon HIL, Opal-RT, or similar) to provide high-fidelity simulations of battery assets and grid conditions
- Test Automation Frameworks: Lead the development of automated test suites in Python. You will transition our validation processes from manual intervention to a fully automated, scalable framework
- V&V Strategy: Define and execute comprehensive Verification and Validation (V&V) plans, ensuring all software requirements for the site controller and embedded power electronics are met under normal and fault conditions
- CI/CD Integration: Integrate automated HIL/SIL testing into our CI/CD pipelines, providing real-time feedback to the development teams and serving as the final gate for production-ready code
- Hardware-in-the-Loop Interfacing: Design custom interface hardware and wiring for HIL benches, bridging physical I/O from our controllers to simulated power stages
- Root Cause Analysis: Work closely with the firmware and systems teams to debug complex failures found during validation, using logic analyzers, oscilloscopes, and telemetry logs to pinpoint issues
Qualifications
- Background: A BS or MS in Electrical Engineering, Computer Engineering, or a related field, combined with 2+ years of professional experience in software validation or test automation for hardware-focused systems
- HIL/SIL Mastery: Proven experience with real-time simulation platforms (Typhoon HIL, Opal-RT, or dSPACE) and a deep understanding of how to model power electronics components in a virtual environment
- Automation Toolchain: Expert proficiency in Python (specifically for test automation frameworks like Pytest) and familiarity with Rust and C/C++ to navigate embedded codebases
- Hardware Literacy: Comfortable in a high-voltage lab environment. You should be proficient with standard lab equipment (oscilloscopes, power supplies, electronic loads) and digital protocols like CAN, SPI, and Ethernet
- Systematic Thinking: A dedicated mindset for "breaking" software. You have a track record of finding critical edge cases in complex state machines and control loops
- Infrastructure: Experience with Git, Jenkins/GitHub Actions, and containerization tools like Docker for managing consistent test environments
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: $152,500 USD - $342,500 USD
The position is full-time. Compensation will be commensurate with experience.
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.
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.
The Redwood Vision: Architecting the Future of the Grid
We are at the precipice of a global energy transition. At Redwood Materials, we are moving beyond battery recycling to build the most advanced, circular energy ecosystem on the planet. Our goal is to shift the industry from static, hardware-heavy infrastructure toward agile, software-defined energy assets. The Software Validation team ensures that these complex systems are safe, resilient, and ready for grid-scale deployment. As a Software Validation Engineer, you are the bridge between pure code and physical reality. You will design and maintain the environments—Software-in-the-Loop (SIL) and Hardware-in-the-Loop (HIL)—that allow us to stress-test our power electronics and site controllers. Your mission is to build the automated frameworks that catch edge cases before they hit the field, ensuring every product we ship meets the highest standards of reliability.
Key Responsibilities
- Validation Environment Design: Architect and scale our SIL and HIL environments (using platforms like Typhoon HIL, Opal-RT, or similar) to provide high-fidelity simulations of battery assets and grid conditions
- Test Automation Frameworks: Lead the development of automated test suites in Python. You will transition our validation processes from manual intervention to a fully automated, scalable framework
- V&V Strategy: Define and execute comprehensive Verification and Validation (V&V) plans, ensuring all software requirements for the site controller and embedded power electronics are met under normal and fault conditions
- CI/CD Integration: Integrate automated HIL/SIL testing into our CI/CD pipelines, providing real-time feedback to the development teams and serving as the final gate for production-ready code
- Hardware-in-the-Loop Interfacing: Design custom interface hardware and wiring for HIL benches, bridging physical I/O from our controllers to simulated power stages
- Root Cause Analysis: Work closely with the firmware and systems teams to debug complex failures found during validation, using logic analyzers, oscilloscopes, and telemetry logs to pinpoint issues
Qualifications
- Background: A BS or MS in Electrical Engineering, Computer Engineering, or a related field, combined with 2+ years of professional experience in software validation or test automation for hardware-focused systems
- HIL/SIL Mastery: Proven experience with real-time simulation platforms (Typhoon HIL, Opal-RT, or dSPACE) and a deep understanding of how to model power electronics components in a virtual environment
- Automation Toolchain: Expert proficiency in Python (specifically for test automation frameworks like Pytest) and familiarity with Rust and C/C++ to navigate embedded codebases
- Hardware Literacy: Comfortable in a high-voltage lab environment. You should be proficient with standard lab equipment (oscilloscopes, power supplies, electronic loads) and digital protocols like CAN, SPI, and Ethernet
- Systematic Thinking: A dedicated mindset for "breaking" software. You have a track record of finding critical edge cases in complex state machines and control loops
- Infrastructure: Experience with Git, Jenkins/GitHub Actions, and containerization tools like Docker for managing consistent test environments
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: $152,500 USD - $342,500 USD
The position is full-time. Compensation will be commensurate with experience.
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.
See all Software Engineer Jobs at Redwood Materials
Sign up for free to unlock all listings, filter by visa type, and get alerts for new Software Engineer Jobs at Redwood Materials.
Get Access To All JobsTips for Finding Software Engineer Jobs at Redwood Materials
Align your resume to battery tech systems
Redwood Materials builds software around manufacturing execution, materials tracking, and process automation. Framing your experience around industrial systems, embedded controls, or supply chain platforms signals relevance to their engineering stack before your application reaches a recruiter.
Verify your degree supports specialty occupation
H-1B and E-3 petitions require your role to qualify as a specialty occupation. Software Engineer positions at a manufacturing company often involve domain-specific requirements, so confirm your degree field aligns with the posted job description before accepting an offer.
Target roles that name specific technical domains
Redwood posts Software Engineer openings across distinct areas like data engineering, embedded systems, and manufacturing software. Applying to roles where your technical background directly maps to the listed domain strengthens the specialty occupation case your employer files with USCIS.
Ask about LCA timing before your start date
Your employer must file a certified Labor Condition Application with DOL before submitting your H-1B or E-3 petition. Confirm this is initiated early enough that your start date isn't delayed if DOL certification runs longer than the standard seven business days.
Use Migrate Mate to filter open roles by visa type
Redwood Materials posts Software Engineer roles across multiple visa categories. Use Migrate Mate to filter current openings by the visa type you need, so you're targeting positions where your authorization pathway is already supported by the employer.
Clarify OPT STEM extension eligibility early
Manufacturing companies like Redwood must be enrolled in E-Verify to support a 24-month STEM OPT extension. Confirm enrollment status before your initial 12-month OPT expires, since the extension application must be filed before your current authorization ends.
Frequently Asked Questions
Does Redwood Materials sponsor H-1B visas for Software Engineers?
Yes, Redwood Materials sponsors H-1B visas for Software Engineer roles. Their engineering hiring spans multiple technical domains within battery manufacturing and recycling operations, and the company has an established pattern of supporting international candidates through the H-1B process. If you're currently on OPT or another nonimmigrant status, it's worth confirming visa support directly during the offer stage.
How do I apply for Software Engineer jobs at Redwood Materials?
Applications go through Redwood Materials' careers page, where Software Engineer roles are listed by team and technical focus area. You can also browse current openings filtered by visa type on Migrate Mate, which surfaces roles where sponsorship is already part of the hiring process. Tailor your application to the specific domain the role covers, whether that's manufacturing software, data infrastructure, or embedded systems.
Which visa types does Redwood Materials commonly use for Software Engineers?
Redwood Materials supports several visa categories for Software Engineers, including H-1B, E-3 visa (for Australian citizens), TN visa (for Canadian and Mexican nationals), F-1 OPT and CPT for students, and immigrant visa pathways including EB-2 and EB-3 for longer-term sponsorship. The right visa depends on your nationality, current status, and career stage. Each category has distinct filing requirements and timelines that your employer's immigration counsel will manage.
What qualifications and experience does Redwood Materials expect from Software Engineer candidates?
Redwood Materials typically looks for engineers with backgrounds in areas relevant to their manufacturing operations, including data engineering, software systems for industrial environments, automation, or supply chain platforms. A bachelor's degree or higher in computer science, software engineering, or a closely related field is standard for visa sponsorship eligibility. Roles vary in seniority, so experience requirements depend on the specific team and technical scope of the position.
How do I plan my timeline if I need H-1B sponsorship from Redwood Materials?
The H-1B cap registration window opens in early March each year, with selection happening shortly after. If selected, petitions are filed for an October 1 start date. That means offers need to be in place before March for cap-subject candidates. If you're already in H-1B status with another employer, a transfer can happen at any time without waiting for the next lottery cycle.