Software Engineer II, Modeling and Simulation
Posted 2026-07-14 · Verified live 2026-09-18
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<p><strong>Katalyst Description:</strong></p>
<p>Katalyst is an American technology company focused on dynamic space operations. We are building a fleet of dual-use multipurpose robotic space vehicles to create the future where maneuvering, upgrading, refueling, resupply and exploration are as routine as they are on Earth. Getting to space and overcoming the gravity well is only half the story. What you do there is the future. We are not building the trains. We are building the machines that lay down the tracks. By developing the foundational capabilities that make sustained, responsive operations possible, we enable a new era of space exploration that strengthens national security and ensures freedom of action in an increasingly contested domain.<br><br></p>
<p><strong>Katalyst Culture:</strong></p>
<p>Working at Katalyst is intense, hands-on, and deeply rewarding. You’ll take real ownership and see your work move from concept to operations in an environment where the problems are hard and the impact is real. We value humility, craftsmanship, and doing things the right way, even when it’s harder. You’ll work closely with thoughtful, driven teammates who push each other to do their best. </p><p><strong>What You’ll Do</strong> </p>
<ul>
<li>Help create models and sims for cross domain uses </li>
</ul>
<ul>
<li>Create training environment for operations </li>
</ul>
<ul>
<li>Create AI&T testing tool suite to aid in SITL testing </li>
</ul>
<ul>
<li>Maintain and create coding environment </li>
</ul>
<ul>
<li>Verify model and sims against hardware </li>
</ul>
<p> </p>
<p><strong>What We’re Looking For</strong> </p>
<p><strong>Required</strong> </p>
<ul>
<li>3-8 Years of experience in modeling and simulation for complex aerospace missions </li>
</ul>
<ul>
<li>Expert knowledge in C++ and Python </li>
</ul>
<ul>
<li>Owned at least one area of a software product </li>
</ul>
<ul>
<li>Experience developing for multiple internal stakeholders such as AI&T, GSW, MOPS, FSW, etc </li>
</ul>
<ul>
<li>Knowledge of distributed compute frameworks </li>
</ul>
<ul>
<li>BS in Aerospace Engineering, Physics, Computer Science or closely related STEM field </li>
</ul>
<p> </p>
<p><strong>Your Ideal Background</strong> </p>
<p><strong>Preferred </strong> </p>
<ul>
<li>Experience simulating in 6-DOF relative motion and RPOC </li>
</ul>
<ul>
<li>Contributed to previous digital twin efforts</li></ul>
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