Functional Safety Engineer, Energy Storage

The role

The Functional Safety Engineer will lead compliance activities for ESS functional safety. This role involves applying safety principles to hardware and software and managing certification with NRTLs.

What you will do

• Lead compliance activities for ESS functional safety with a focus on UL 1998, UL 991, and UL 5500
• Support certification efforts and align product development with functional safety requirements
• 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
• Work with certification bodies to establish and manage compliance programs
• Partner with engineering and product teams to integrate safety requirements into development cycles
• Translate complex safety standards into actionable requirements for cross-functional teams
• Develop, document, and execute hazard mitigation and validation strategies
• Collaborate with engineering, manufacturing, and product design teams

Required qualifications

• 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
• Proficiency in C for real-time embedded systems
• Strong background in UL 1998, UL 991, and UL 5500
• 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

Nice to have

• Preferred experience developing or working directly with microcontroller-based systems, including low-level software or firmware
• Familiarity with international functional safety standards such as IEC 61508, IEC/UL 60730, ISO 26262, or ISO 13849
• A passion for sustainability and making the world a better place!

About the company

Redwood Materials is the largest lithium-ion battery recycler in North America. The company recovers, refines, and redeploys critical minerals from end-of-life batteries back into the supply chain.