Thermal Design Engineer

<div class="content-intro"><p>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.</p></div><h3>About the Team</h3> <p>The Thermal Engineering team enables Anduril's rapid hardware development cycle by ensuring advanced defense systems perform reliably in demanding real-world environments. The team works across high-power, tightly integrated products where thermal architecture, analysis, testing, and cross-functional design decisions directly affect product performance, reliability, and mission success.</p> <h3>About the Role</h3> <p class="font-claude-response-body break-words whitespace-normal">We are looking for a <strong>Thermal Design Engineer </strong>to join our team in <strong>Costa Mesa, CA</strong>. In this role, you will support thermal design and analysis for advanced defense hardware across drones, aircraft, missiles, and related flight systems.</p> <p class="font-claude-response-body break-words whitespace-normal">This role is ideal for someone early in their career with strong heat transfer and fluid dynamics fundamentals from graduate coursework or research, who wants to grow into full ownership of thermal design problems in a fast-paced environment.</p> <p class="font-claude-response-body break-words whitespace-normal"><strong>What You'll Do</strong></p> <ul> <li class="font-claude-response-body whitespace-normal break-words pl-2">Support thermal design and analysis for integrated hardware products, including drones, aircraft, missiles, or related defense systems</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Apply first-principles engineering judgment using hand calculations, spreadsheets, and MATLAB/Python models to inform design decisions</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Build and maintain thermal FEA/CFD models to predict system performance and establish design limits</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Support prototype builds and thermal tests, including sensor selection, DAQ setup, data post-processing, and results documentation</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Contribute to defining thermal architectures for rugged environments, demanding flight envelopes, and mission-specific thermal conditions</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Partner with electrical, mechanical, aerospace, and systems engineers to document power dissipation, operating modes, and thermal constraints</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Present thermal analysis results and recommendations in internal design reviews</li> <li class="font-claude-response-body whitespace-normal break-words pl-2">Develop internal tools, workflows, or analysis methods that improve speed and quality of thermal decision-making</li> </ul> <p>Required Qualifications</p> <ul> <li class="font-claude-response-body whitespace-normal break-words pl-2">MS in Mechanical Engineering, Aerospace Engineering, Ap