<?xml version="1.0" encoding="UTF-8"?>
<source>
  <jobs>
    <job>
      <externalid>60c39c87-b59</externalid>
      <Title>Principal Engineer, Fluid &amp; Thermal Systems</Title>
      <Description><![CDATA[<p>Are you an experienced and innovative Fluid &amp; Thermal Systems Engineer looking to help shape the future of AI and robotics technology? Shield AI is the perfect place for you!</p>
<p>As a Staff Fluid &amp; Thermal Systems Engineer at Shield AI, you will lead the design, development, and optimization of fluid and thermal systems for our advanced autonomous UAVs and ground systems.</p>
<p>Your expertise in fluid &amp; thermal system design will drive innovation, prototyping, testing, and the successful integration of solutions that operate reliably in challenging environments.</p>
<p>This role requires technical leadership, collaboration with cross-functional teams, and an unwavering commitment to delivering excellence from concept to production.</p>
<p>Responsibilities:</p>
<ul>
<li>Own design and analysis of fluid and thermal systems for aircraft and ground platforms.</li>
<li>Develop and implement innovative thermal solutions</li>
<li>Use first-principles engineering to drive design decisions to yield optimal solutions</li>
<li>Research technologies for integration into complex solutions</li>
<li>Conduct advanced simulations to predict system performance and refine designs</li>
<li>Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements</li>
<li>Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.</li>
<li>Mentor and guide junior engineers, fostering technical growth and excellence within the team.</li>
<li>Identify suppliers and build successful supplier management relationships for procurement of components or systems for fluid and thermal system designs</li>
<li>Other duties as assigned</li>
</ul>
<p>Required qualifications:</p>
<ul>
<li>Minimum 10+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.</li>
<li>B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.</li>
<li>Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.</li>
<li>Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.</li>
<li>Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.</li>
<li>Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.</li>
<li>Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.</li>
<li>Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.</li>
<li>Excellence in supplier management, COTS component sourcing, optimization/trade studies</li>
<li>Proven success in dynamic, fast-paced environments.</li>
</ul>
<p>Preferred qualifications:</p>
<ul>
<li>Extensive experience with fluid &amp; thermal system design, analysis, manufacture and test for aircraft</li>
<li>Familiarity with fluid and thermal system effects on aircraft performance</li>
<li>Familiarity with startup or R&amp;D environments, demonstrating adaptability and agility under pressure.</li>
<li>Strong knowledge of environmental standards and certification processes for aerospace or defense systems.</li>
<li>A passion for innovation and the ability to push boundaries in fluid &amp; thermal system development.</li>
</ul>
<p>$200,000 - $310,000 a year</p>
<p style="margin-top:24px;font-size:13px;color:#666;">XML job scraping automation by <a href="https://yubhub.co">YubHub</a></p>]]></Description>
      <Jobtype>full-time</Jobtype>
      <Experiencelevel>staff</Experiencelevel>
      <Workarrangement>onsite</Workarrangement>
      <Salaryrange>$200,000 - $310,000 a year</Salaryrange>
      <Skills>Fluid &amp; Thermal System design, Heat transfer, Fluid dynamics, Thermodynamics, System-level thermal management, MATLAB Simscape, Amesim, Excel, MATLAB, Python, 3D CAD modeling, Siemens NX</Skills>
      <Category>Engineering</Category>
      <Industry>Technology</Industry>
      <Employername>Shield AI</Employername>
      <Employerlogo>https://logos.yubhub.co/shield.ai.png</Employerlogo>
      <Employerdescription>Shield AI is a venture-backed deep-tech company founded in 2015, with a mission to protect service members and civilians with intelligent systems.</Employerdescription>
      <Employerwebsite>https://www.shield.ai</Employerwebsite>
      <Compensationcurrency></Compensationcurrency>
      <Compensationmin></Compensationmin>
      <Compensationmax></Compensationmax>
      <Applyto>https://jobs.lever.co/shieldai/3dddb78e-4ade-48e3-95d3-84a160dc421d</Applyto>
      <Location>Dallas</Location>
      <Country></Country>
      <Postedate>2026-04-17</Postedate>
    </job>
  </jobs>
</source>