Functional Engineer Jobs in California (NOW HIRING)

The Electronics Functional Safety Engineer (FSE) is a design and development role within the Advanced Battery Core Electronics Team that reports directly to the Global Electronics Engineering Manager. This important role provides technical leadership within in a team environment to design and develop requirements driven functionally safe electronic circuits as part of the Battery Management System (BMS) that goes into Clarios’ new generation of lithium-ion batteries. The electronic BMS is critical to the performance and safety of the battery. As a member of this team, you will be exposed to the latest in BMS technology and contribute to developing “best-in-class” electronic battery controls.

How you will do it

• Execute the detailed technical aspects of FuSa analysis, requirements, design and verification & validation (V&V)
• Execute safety analyses (Quantified Fault-Tree, FMEA, Common-mode analysis, reliability analysis)
• Define electronic hardware requirements and specifications
• Define electronic hardware V&V plans and methods
• Implementation of hardware safety design best practices
• Develop Functional Safety aspects of the hardware DVP&R (System V&V)
• Support verification (Peer) reviews of design, analysis and V&V prepare reports
• The Hardware FSE authority: defining specifications and preparing technical reports for hardware engineering requirements, analyses, design and V&V
• Experience in controls system and electronic system design
• Collaborate with Systems Safety Team to review Functional and Technical Safety requirements
• Perform ASIL decomposition and common cause analysis
• Create Hardware Safety requirements consistent with ISO 26262 Part 5
• Develop BMS safety concept and support BMS design team (including Systems and Software) in implementing according to ISO 26262 Parts 5 and 6
• Perform qualitative analysis (FMEA, FTA) and quantitative analysis (FMEDA)
• Perform Hardware verification and confirmation reviews
• Work with multidisciplinary team of software, mechanical, system, test, safety, and production engineers to develop a successful product.
• Follow program timing and deliver results according to plan to ensure successful completion of the assigned project phase within the budgeted timing and cost constraints.
• Ability to effectively work with and lead in a cross functional team environment with minimal supervision

• Bachelor of Science in Electrical Engineering or equivalent degree
• 6+ years of professional experience in electronics FuSa
• Detailed training in ISO 26262 Functional Safety Engineering
• Hands on experience in deriving Functional Safety work products as per ISO 26262
• Experience or training in safety analysis (HARA, FMEA, Fault-Tree, Common mode analysis)
• Experience in ASPICE
• Experience in tools like JAMA, JIRA, GitHub, Cameo System Modeler, Medini Analyse/Reliability Workbench etc.
• Experience in SYSML and MBSE
• Experience in Li‑Ion Battery System
• Proficiency in electronics schematic, layout, and simulation tools (i.e., Altium)
• Excellent written and verbal communicator to effectively communicate ideas
• Experience in taking electronic safety architectures from concept to production

• TUV FuSa Certified Automotive Engineer
• Experience with automotive product development and qualification
• Safety of the intended function (SOTIF)

• Medical, dental and vision care coverage and a 401(k) savings plan with company matching – all starting on date of hire
• Tuition reimbursement, perks, and discounts
• Parental and caregiver leave programs
• All the usual benefits such as paid time off, flexible spending, short-and long-term disability, basic life insurance, business travel insurance, and Employee Assistance Program
• Global market strength and worldwide market share leadership
• HQ location earns LEED certification for sustainability plus a full-service cafeteria and workout facility
• Clarios has been recognized as one of 2026's Most Ethical Companies by Ethisphere.

Clarios is the force behind the world’s most recognizable car battery brands, powering vehicles from leading automakers like Ford, General Motors, Toyota, Honda, and Nissan. With 18,000 employees worldwide, we develop, manufacture, and distribute energy storage solutions while recovering, recycling, and reusing up to 99% of battery materials—setting the standard for sustainability in our industry. At Clarios, we’re not just making batteries; we’re shaping the future of sustainable transportation. Join our mission to innovate, push boundaries, and make a real impact. Discover your potential at Clarios—where your power meets endless possibilities. Veterans/Military Spouses: We value the leadership, adaptability, and technical expertise developed through military service. At Clarios, those capabilities thrive in an environment built on grit, ingenuity, and passion—where you can grow your career while helping to power progress worldwide.

All qualified applicants will be considered without regard to protected characteristics.

Equal Employment Opportunity: We recognize that people come with a wealth of experience and talent beyond just the technical requirements of a job. Diversity of experience and skills combined with passion is key to challenging the status quo. Therefore, we encourage people from all backgrounds to apply to our positions. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, age, status as a protected veteran or other protected characteristics protected by law. As a federal contractor, we are committed to not discriminating against any applicant or employee based on these protected statuses. We will also take affirmative action to ensure equal employment opportunities. Please let us know if you require accommodations during the interview process by emailing Special.Accommodations@Clarios.com. We are an Equal Opportunity Employer and value diversity in our teams in terms of work experience, area of expertise, and all characteristics protected by laws in the countries where we operate. For more information on our commitment to sustainability, diversity, and equal opportunity, please read our latest report. We want you to know your rights because EEO is the law.