Mechanical Engineer, Senior or Staff

Antora builds and deploys thermal energy storage to power always-on industrial operations and data centers with low-cost energy. Factory-built in California, Antora’s thermal batteries deliver reliable and cost-effective heat and power for industrial loads of any size. Antora is electrifying global industry while supporting U.S. manufacturing jobs, lowering costs for energy consumers, and enhancing the competitiveness of American industry. We are growing our company with people who put team and mission first, value connection through laughter and joy, and build with humility and openness. We are committed to continue building a diverse, passionate, and creative team dedicated to a future where every industrial facility, everywhere on earth, is powered by abundant, clean, low-cost energy. Position Summary We are seeking a self-driven and passionate Senior or Staff Mechanical Engineer to join our Product Development Team. In this role, you will own the design, analysis, and validation of subsystems that make Antora’s thermal battery possible. Your work will directly accelerate the demonstration and deployment of a first-of-a-kind long-duration energy storage technology. This is a highly collaborative, hands-on role where you’ll work across disciplines to scope, design, and refine mechanical systems from concept through prototyping, testing, and production. You’ll also help build the processes, standards, and culture that enable our team to deliver at scale Roles & Responsibilities Own subsystem design : Lead the architecture, analysis, detailed design, and testing of structural, thermal, and fluid components within Antora’s thermal battery. Perform rigorous analysis : Apply calculations, finite element analysis (FEA), and trade studies to guide design decisions. Drive validation & reliability : Lead prototyping, testing, and root cause analysis to ensure robust, reliable hardware. Pursue cost-down : Identify and implement design and manufacturing approaches that reduce cost without sacrificing performance. Collaborate cross-functionally : Define system requirements, lead design reviews, and integrate feedback across teams. Establish best practices : Develop and maintain CAD standards, documentation, and engineering infrastructure. Mentor & lead : Guide junior engineers; serve as technical lead. Key Qualifications Senior Engineer : Bachelor’s degree in Mechanical Engineering with 6+ years relevant industry experience, OR Master’s with 4+ years , OR PhD Staff Engineer : Bachelor’s degree in Mechanical Engineering with 10+ years relevant industry experience, OR Master’s with 8+ years , OR PhD with 4+ years Examples of relevant industry experience include power generation, aerospace, propulsion, or other industrial hardware products Proven track record of taking complex mechanical systems from concept to deployed hardware. Strong proficiency with CAD (SolidWorks or similar), PDM systems, and creating detailed drawings (GD&T, ASME Y14.5). Deep experience with machined components for low- to mid-volume production; additional experience with sheet metal, castings, or composites is a plus. Proficiency in structural and/or thermal analysis (FEA and hand calculations). Familiarity with systems analysis and risk management tools such as FMEA. Experience developing engineering processes, standards, and best practices. Additional Qualifications Desired Experience designing components for very high-temperature environments (500–2500°C). Experience with composite and/or brittle materials. FOAK (first-of-a-kind) product development from concept through sustaining. Work Location: Onsite - San Jose, CA Salary Range: $129,000 USD - $210,000 USD Sala ry Basis: Annual Please note that the salary range listed above reflects Antora Energy's estimated pay for this position. The actual salary offered will be within the posted range and determined based on several factors including but not limited to a candidate's experiences, credentials and expertise, as they pertain to the position's requirements. In addition to a competitive base salary, Antora Energy’s Total Rewards program includes equity compensation in the form of stock options, a premium health benefits package with life and disability insurance, a 401K plan with employer contributions, flexible spending accounts, and an industry leading paid-time-off policy that features flexible and inclusive holiday observance, as well as paid volunteer time off. #LI-Onsite When it comes to stopping climate change, we need everyone. We believe that having a diversity of backgrounds and experiences strengthens all of us, and we strive to create an environment where every one of us is empowered to create meaningful change.

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