Senior / Staff Mechanical Engineer, Fluid Systems

Antora Energy delivers affordable reliable energy to industry data centers and the grid. Our thermal batteries turn low-cost electricity into always-on heat and power without supply-constrained critical minerals or multi-year construction timelines. We are growing our company with people who put team and mission first value connection through laughter and joy and work with humility and openness. We are committed to building a diverse passionate and creative team dedicated to a future powered by abundant clean low-cost energy.

The Role

Antora is seeking a self-driven and passionate Senior or Staff Mechanical Engineer Fluid Systems 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 You should be excited to pair strong first-principles engineering with modern tools including AI-enabled workflows where they meaningfully improve speed insight or iteration quality. Just as important you’ll bring the judgment to validate outputs challenge assumptions and keep engineering rigor at the center of every decision.

What You'll Do

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 Thoughtfully leverage AI apply calculations finite element analysis (FEA) and trade studies to guide design decisionspply hand calculations finite element analysis (FEA) and trade studies to guide design decisions. Drive validation & reliability Lead prototyping testing failure analysis and root cause investigation to ensure robust reliable hardware. Pursue cost-down Identify and implement design and manufacturing approaches that reduce cost without sacrificing performance or reliability. Collaborate cross-functionally Define system requirements lead design reviews and integrate feedback across adjacent engineering and operations teams. Establish best practices Develop and maintain CAD standards documentation and engineering infrastructure that support high-quality execution and scale. Mentor & lead Guide junior engineers and serve as a technical lead. Shape our processes Balance fast execution with long-term improvements in team workflows risk management and product development culture.

What We're Looking For

Senior Engineer Bachelor’s degree in Mechanical Engineering with 6+ years of relevant industry experience Master’s degree with 4+ years PhD Staff Engineer Bachelor’s degree in Mechanical Engineering with 10+ years of relevant industry experience Master’s degree with 8+ years PhD with 4+ years Examples of relevant industry experience include power generation aerospace propulsion or other industrial hardware products Required

Skills

and Experience Proven track record of taking complex mechanical systems from concept to deployed hardware Strong proficiency with CAD (SolidWorks or similar) PDM systems and creation of detailed drawings using GD&T and ASME Y14.5 Deep experience designing machined components for low- to mid-volume production experience with sheet metal castings or composites is a plus Proficiency in structural and/or thermal analysis including FEA and hand calculations Experience applying sound engineering judgment in ambiguous first-of-a-kind environments where requirements evolve and rapid iteration matters Curiosity about integrating evolving AI tools into engineering workflows paired with the critical thinking to recognize limitations sanity-check outputs and maintain high technical standards Familiarity with systems analysis and risk management tools such as FMEA Experience developing engineering processes standards and best practices Excellent written and verbal communication skills with a collaborative humble and mission-first mindset Bonus

Qualifications

Experience designing components for very high-temperature environments 500–2500°C Experience with composite and/or brittle materials Experience with fluid system design in demanding thermal or industrial environments FOAK (first-of-a-kind) product development from concept through sustaining

Work Location

Onsite in San Jose CA Salary Range $154000 USD - $193000 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. 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.