Software Engineer I, Spacecraft Simulation (New Grad)
at True Anomaly · 251-500 employees
Series D · $650M · Apr 2026
- Seniority
- Junior
- Location
- Denver, CO or Long Beach, CA
- Posted
- 5d ago
pythonc++ci/cd
at True Anomaly · 251-500 employees
True Anomaly is a defense technology company that builds autonomous spacecraft, advanced payloads, mission software, and space-based interceptors.
<div class="content-intro"><p class="ms-outlook-mobile-reference-message">Space is a warfighting domain. True Anomaly seeks those with the talent and ambition to build the technology that secures it.</p> <p class="ms-outlook-mobile-reference-message"><u>OUR MISSION</u></p> <p class="ms-outlook-mobile-reference-message">True Anomaly delivers decisive capabilities for space superiority. We build autonomous spacecraft, advanced payloads, mission software, and space-based interceptors — enabling the U.S. and its Allies to secure the space environment and counter threats from the ultimate high ground.</p> <p class="ms-outlook-mobile-reference-message"><u>OUR VALUES</u></p> <ul> <li class="ms-outlook-mobile-reference-message"><strong>Be the offset.</strong><span class="Apple-converted-space"> </span>We create asymmetric advantages with creativity and ingenuity.</li> <li class="ms-outlook-mobile-reference-message"><strong>What would it take?</strong> We challenge assumptions to deliver ambitious results.</li> <li class="ms-outlook-mobile-reference-message"><strong>It’s the people.</strong> Our team is our competitive advantage and we are better together.</li> </ul></div><p><u>YOUR MISSION</u></p> <p><span data-contrast="auto">Software is the central nervous system for True Anomaly's engineering and product thesis. Software bridges the gap between military objectives, theoretical physics, and the human and autonomous control of spacecraft and ground systems. True Anomaly is seeking an entry-level Spacecraft Simulation Software Engineer to help build and extend our spacecraft, constellation modeling, and simulation software with a focus on multi-physics, high-fidelity simulation.</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></p> <p><span data-contrast="auto">This is a great opportunity for a recent graduate or early-career engineer to grow within a fast-paced, interdisciplinary team. You will learn from experienced engineers as you help develop algorithms for modeling complex coupled physics including 6-degree-of-freedom (6DOF) rigid body dynamics, thermal systems, attitude dynamics and control, power systems, propulsion, and their interactions. You'll contribute to the simulation infrastructure that enables engineers to design spacecraft, validate control algorithms, analyze system performance, and predict mission outcomes with high confidence.</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></p> <p><strong><span data-ccp-props="{"335551550":1,"335551620":1}">This is a 3 month temporary employment engagement. There is potential to convert to regular employment based on performance and business need.</span></strong></p> <p><strong>RESPONSIBILITIES</strong></p> <ul> <li><span data-contrast="auto">Write well-structured, efficient code using modern C++ (C++ 17 / C++ 20), with attention to performance and maintainability, guided by code reviews and team standards</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Contribute to multi-physics simulation libraries for spacecraft systems modeling, including:</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">6DOF rigid body dynamics with environmental perturbations (gravity gradient, solar radiation pressure, atmospheric drag, magnetic torques)</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Thermal modeling including conduction, radiation, and solar heating</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Attitude dynamics and control system simulation</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Propulsion system modeling (thrusters, tanks, mass properties)</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Power generation and distribution (solar arrays, batteries, loads)</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Sensor and actuator models (reaction wheels, star trackers, gyros, magnetometers, thrusters)</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Help implement coupled physics algorithms that capture interactions between subsystems (thermal-structural, power-thermal, propulsion-dynamics, etc.), with guidance from senior engineers</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Assist in developing and testing time-stepping algorithms, solvers, and integration schemes for real-time and faster-than-real-time simulation</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Help maintain libraries that provide APIs in multiple languages (Python, C++) to other applications within True Anomaly</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Collaborate with other internal teams who leverage our simulation APIs to plan and execute missions, develop algorithms for spacecraft operation, and perform trade-space analyses</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> <li><span data-contrast="auto">Participate in code reviews, architectural discussions, and sprint planning sessions, learning and applying our software quality standards and delivery practices</span><span data-ccp-props="{"335551550":1,"335551620":1}"> </span></li> </ul> <p><strong>QUALIFICATIONS</strong></p> <ul> <li><span data-contrast="auto">Bachelor's degree in aerospace engineering, mechanical engineering, computer science, physics, a similar discipline, or equivalent p