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Peak Energy is the first American venture to advance globally proven Sodium-Ion battery systems as the storage standard for the new era of renewable energy on a resilient grid. Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, SunPower, Fluence, and Enovix. We are backed by strategic investment and product partners such as TDK Ventures and Eclipse Ventures. We are a team of engineers, operators, entrepreneurs, and partners driven by a shared ambition to set the new performance standard for renewable energy and grid resilience. About the Job: Peak Energy is looking for a Thermal Analyst - ESS, to support the development of our gigawatt scale energy storge system. Responsibilities: Thermal Analysis Perform detailed thermal analysis of storage systems, including transient and steady-state heat transfer simulations. Develop thermal management strategies to optimize system performance Collaborate with design engineers to integrate thermal management solutions into overall system design. Propose design modifications to enhance thermal performance. Simulation and Modeling Develop and validate simulation models for thermal analysis. Utilize advanced computational tools and techniques, such as finite element analysis (FEA) and computational fluid dynamics (CFD). Testing and Validation Design and oversee experimental tests to validate models and predictions. Analyze test data and incorporate findings into design improvements. Collaboration and Communication Work closely with cross-functional teams, including R&D, manufacturing, and quality assurance. Present analysis results and recommendations to technical and non-technical stakeholders. Drive and participate in a culture of rapid protoyping and testing A great team spirit and get-it-done attitude. Minimum Qualifications: Bachelor's degree in a field related to thermal engineering 2+ years of experience working with 3D thermal simulations Proficiency in simulation software such as Star-CCM+ or COMSOL Passion for renewable energy, sustainability, and driving positive environmental impact through technology innovations. Preferred Qualifications : Experience working with large scale battery storage systems Experience with hands on testing and model validation Experience with cell modeling Peak Energy Core Values Speed Through Focus : Prioritize what matters most and execute quickly without distractions. Our competitive benefits package includes flexible time off, comprehensive medical, dental, and vision coverage, a strong 401(k) plan, and equity opportunities. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. We do not discriminate on the basis of race, color, ancestry, religion, national origin, sexual orientation, citizenship, marital or family status, disability, gender identity or expression, veteran status, or any other legally protected status.