Job Requirements Costa Mesa, CA Secret Polygraph Unspecified Career Level not specified $146,000 - $194,000 Job Description Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and control center. As the world enters an era of strategic competition, Anduril is committed to bringing cutting-edge autonomy, AI, computer vision, sensor fusion, and networking technology to the military in months, not years. About the Team The Thermal Engineering team's work is essential to support our rapid innovation cycle and maintain the performance and reliability of advanced defense technologies. Thermal Engineers own the full development life cycle from conceptual design through prototyping, lab and field testing, and operational deployment, ensuring high-performance, resilient systems that meet the demands of complex, contested environments. About the Role We are looking for a Senior Thermal Engineer in Costa Mesa, CA to own the thermal management of expeditionary AI/HPC data centers-air-transportable, modular compute and command-and-control infrastructure built to run at forward operating locations. You will apply a deep understanding of heat transfer, fluid dynamics, and HVAC to keep high-density compute running reliably in austere environments with extreme temperatures and limited power. What You'll Do Own the thermal design and analysis of deployable data center cooling systems-air-side and water-side cooling, heat rejection, chilled water plant, and liquid cooling-from rack and chip level up through the full facility. Use first principles to discern the right level of analysis, running hand calcs, spreadsheets, and MATLAB/Python first-order models before detailed design. Define cooling architecture and heat-rejection strategy-CRAH/CRAC, air-side economization, chilled water plants, dry coolers, CDUs, rear-door heat exchangers, and direct-to-chip and immersion liquid cooling-to keep equipment within limits as power density scales. Develop cooling approaches for high-density racks and trade off air, liquid, and hybrid cooling for modular, transportable systems in austere, high-ambient environments. Work with electrical, mechanical, and facilities engineers to characterize IT and equipment heat loads across operating and failure modes. Weigh cooling architectures against reliability, efficiency (PUE/WUE), and total cost, driving trade studies that balance thermal margin with capital and operating cost. Own the thermal FEA/CFD and system models, predict facility performance, and set red/yellow limits for commissioning and operation. Lead prototype builds, field testing, commissioning, and operational validation of cooling designs (CAD, sensor and DAQ selection, data post-processing, results). Present thermal status at internal and customer reviews with a clear view of timelines and technical status. Develop internal tools to improve analysis effectiveness and efficiency. Support failure reviews and root-cause analysis with test data and thermal analysis. Required Qualifications MS or higher in mechanical engineering, applied physics, or related field focused on heat transfer, fluid dynamics, and HVAC In-depth understanding of heat transfer and fluid dynamics 5+ years designing thermal management systems for data centers or comparable mission-critical infrastructure Full-spectrum data center thermal experience-air-side and water-side cooling, heat rejection, chilled water plant design, power density management, and liquid cooling Steady-state and transient system modeling of thermal management systems, including HVAC and refrigerant simulations Validating and testing data center thermal equipment, with knowledge of applicable operating standards Track record of staying abreast of the latest data center thermal management technologies CAD experience with Siemens NX or SolidWorks Preferred Qualifications Coding in Python or MATLAB for applications such as lumped-capacitance steady-state and transient analysis Thermal FEA/CFD experience-STAR-CCM+, ANSYS, Icepak or FloEFD. Familiarity with efficiency metrics (PUE/WUE) and thermal design for high-density AI/HPC compute Experience with modular, transportable, or ruggedized data centers and operation in austere, high-ambient environments Be able to obtain and hold a U.S. Secret security clearance US Salary Range $146,000 - $194,000 USD The salary range for this role is an estimate based on a wide range of compensation factors, inclusive of base salary only. Actual salary offer may vary based on (but not limited to) work experience, education and/or training, critical skills, and/or business considerations. Highly competitive equity grants are included in the majority of full time offers; and are considered part of Anduril's total compensation package. Additionally, Anduril offers top-tier benefits for full-time employees, including: Benefits At Anduril, we invest in our people. Our comprehensive, competitive benefits package (available at little to no cost to employees) ensures you're supported in health, recovery, and whatever comes next. For more information, Explore Our Benefits . Protecting Yourself from Recruitment Scams Anduril is committed to maintaining the integrity of our Talent acquisition process and the security of our candidates. We've observed a rise in sophisticated phishing and fraudulent schemes where individuals impersonate Anduril representatives, luring job seekers with false interviews or job offers. These scammers often attempt to extract payment or sensitive personal information. To ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind:

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