Head of Hardware

Peak Energy   Job Title:   Head of Hardware Location:   Burlingame, CA Department: ESS Engineering Reports To: CTO   Position Type: Full-time     About Peak Energy   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.   Sodium-Ion is cheap, readily available and safe, making it the leading contender in a rapidly evolving market.   Our leadership team is powered by decades of expertise in scaling gigawatt-level innovation at world-class companies such as Tesla, Northvolt, Apple, Powin, Enovix, Zipline, Solid Power, and Fluence. 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 Role - Head of Hardware Peak Energy is looking for a Head of Hardware to lead all aspects of hardware development for our ESS platform — including mechanical, structural, thermal, reliability, and test domains. It's the broadest scope on the engineering team. You'll set the direction and drive execution across subsystem design, integration, validation, and reliability, ensuring our hardware is safe, reliable, and ready for scale.   You'll report to the CTO as one of the functional leaders on the engineering team, alongside Software, Programs, Cell, Systems, and Product.   This is a role for a technical leader who wants to take a hardware product from prototype through production at scale. Peak is doing genuinely novel work, the world's first fully passive megawatt-hour-scale battery storage system, built on sodium iron pyrophosphate (NFPP) chemistry with no active cooling, no coolant loops, no fire suppression, and stackable modules. As we ramp toward Q1 2027 production at our Sacramento factory, this leader owns the hardware roadmap from B2 through the first year of commercial production.     What You'll Do (Responsibilities)   Serve as the technical lead for all ESS hardware.   Lead system design and ensure successful integration across electrical, mechanical, structural, and thermal systems.   Define and maintain s ubsystem hardware requirements for HV/LV distribution, enclosures, interconnects, cooling, and protections.   Own the reliability function: design for reliability, DFMEA, accelerated life testing, and lifetime prediction for high-voltage electronics.   Own v erific ation testing: mechanical reliability, thermal cycling, HV insulation, seismic and structural performance.   Oversee design-for-manufacturability and partner with Manufacturing Engineering and supply chain to scale production at our Sacramento factory.   Ensure compliance with the certification and safety standards that matter for grid-scale storage — UL 9540, IEC 62933, IEEE 693, NEC Article 706 — and represent Peak with certification bodies.   Partner with the Product, Software, Systems, and Cell functions to deliver tight end-to-end product integration.   Recruit, mentor, and grow a multidisciplinary hardware team spanning mechanical, structural, thermal, reliability, and test engineering. Own the team's technical bar and career growth.     What You'll Bring (Qualifications) 10+ years of hardware engineering experience with at least 5 years in leadership roles.   Proven track record of delivering high-voltage, high-power systems at scale — energy storage, utility-scale renewables, EV traction, or comparable large-scale industrial or automotive hardware.   Expertise across mechanical/structural design and thermal management, with strong working knowledge of HV/LV electrical systems, bussing, and protections.   Prior experience taking a hardware product from prototype through production ramp at scale.   Skilled with CAD (Siemens NX, SolidWorks, or CATIA) and analysis tools (FEA, CFD), plus hands-on prototyping and validation experience.   Strong understanding of certification and safety requirements for grid-scale storage or comparable high-reliability hardware.   Excellent communicator and team builder with the ability to align across disciplines.   Bachelor's, Master's, or PhD in Mechanical Engineering, Electrical Engineering, or a related field .     Preferred Qualifications Experience scaling hardware teams in startups or high-growth environments (10+ to 30+ engineers).   Familiarity with manufacturing processes for BESS enclosures, interconnects, and cooling systems.   Exposure to sodium-ion, lithium-ion, or other advanced battery technologies.   Prior experience partnering with contract manufacturers OR standing up in-house factory production.   Experience navigating certification bodies (UL, TÜV, Intertek) end-to-end on a shipping product .   Background in grid-scale energy storage, EV traction, or utility-scale renewables specifically.     Peak Energy is committed to building a diverse and inclusive workforce. We strongly encourage women, people of color, and individuals from underrepresented groups to apply. We value skills, potential, and perspective over specific credentials. If you’re excited about this role but your experience doesn’t look perfect on paper, we still want to hear from you.     Our Core Values   Speed Through Focus - Move fast but understand why. Focus on the goal, don't sacrifice quality.    Mission Over Self - It's about the greater good; confident humility. Take ownership and accountability.    Face the Brutal Truth - Transparency, honesty, big picture curiosity. Fearless decision making.    Be a Good Person - Kindness, collaboration and teamwork.     Compensation & Benefits   The salary range for this role is $240,000-$290,000 , with actual pay varying based on work location, experience, and skills. Our competitive benefits package includes:   Flexible time off    Comprehensive medical, dental, and vision coverage    Strong 401(k) plan    Equity opportunities    Many great work perks     Join us to thrive in a supportive environment while making a meaningful impact in the energy sector!     At Peak Energy Technologies Inc., we believe that a diverse and inclusive workplace makes us a more capable, innovative, and competitive company. We welcome people who represent diversity in their backgrounds, ethnicities, cultures, and experiences. Peak Energy Technologies Inc. is an equal opportunity employer, aiming to reach our company’s full potential by cultivating an inclusive workforce. 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.      

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