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Functional Safety Engineer, Energy Storage

Redwood Materials

San Francisco, CA

Full Time

Posted April 21, 2026

$153k - $249k

Energy Storage

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Application opens on company website

Listing evidence and provenance

Source: Greenhouse View original listing
Freshness: Open in the current public read path; this is not an employer guarantee.Last observed November 1, 2026
Classification: Modern power-system classification not yet published for this listing.Legacy source industry field: Energy Storage
Pay provenance: Employer-provided pay

Job Description

Redwood Materials is pioneering a sustainable circular economy for lithium-ion batteries by transforming recycled materials into critical inputs for energy storage and next-generation battery technologies.

Key Responsibilities

Functional Safety & Compliance: Lead compliance activities for ESS functional safety with a focus on UL 1998 (Software in Programmable Components), UL 991 (Tests for Safety-Related Controls Employing Solid-State Devices), and UL 5500 (Remote Software Updates). Support certification efforts and align product development with functional safety requirements
Standards Application & Development: Apply safety principles and methodologies to ESS hardware and software. Facilitate and lead the development of FMEA’s, hazard analyses, safety cases, and test strategies. Represent Redwood in standards development activities to help shape emerging requirements for ESS functional safety
Certification Management: Work with certification bodies (NRTLs) to establish and manage compliance programs for new technologies, ensuring timely approvals to support product introduction milestones. Partner closely with engineering and product teams to integrate safety requirements into development cycles
Team Support & Alignment: Translate complex safety standards into actionable requirements for cross-functional teams. Provide technical guidance on functional safety practices and address feedback to align product designs with compliance needs
Risk Management: Develop, document, and execute hazard mitigation and validation strategies. Support testing and verification activities to ensure system safety performance. Coordinate with internal and external stakeholders to resolve compliance and safety issues proactively
Stakeholder Collaboration: Collaborate with engineering, manufacturing, and product design teams to streamline compliance and safety processes for ESS. Maintain strong relationships with certification bodies and industry partners to stay ahead of evolving safety requirements

Requirements

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Systems Engineering, or related field
Hands-on experience in embedded software development, ideally within safety-critical or regulated environments
Preferred experience developing or working directly with microcontroller-based systems, including low-level software or firmware
Proficiency in C for real-time embedded systems
Strong background in UL 1998, UL 991, and UL 5500
Familiarity with international functional safety standards such as IEC 61508, IEC/UL 60730, ISO 26262, or ISO 13849 (preferred)
Experience working with Energy Storage Systems, power electronics, or safety-critical systems
Demonstrated ability to apply functional safety methodologies (e.g., hazard analysis, safety cases, V&V planning)
Experience managing compliance or certification processes with third-party testing/certification bodies
Strong organizational skills, with high attention to detail
Excellent communication skills, with the ability to explain complex technical requirements to diverse stakeholders
A passion for sustainability and making the world a better place!
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.