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Avionics Software Engineer

Lodestar
London, UKfull_timePosted 16 Jun 2026

About the role

<h3><strong>About Lodestar</strong></h3> <p>Lodestar's mission is to develop the first "Protect and Defend" capability for high-value space assets in orbit. Our flagship product, <em>MITHRIL</em>, is our hardware-agnostic, AI-enabled autonomy software suite that enables us to augment any off-the-shelf spacecraft with the ability to autonomously detect, characterise, and reversibly neutralise orbital threats. By building on the proven space heritage of our best-in-class satellite-bus partners and fully integrating MITHRIL into a single unified platform, we deliver an end-to-end, autonomous in-space bodyguarding service.</p> <h3><strong>About the Job</strong></h3> <p>We seek a talented <strong>Embedded Systems Engineer</strong> to design, develop, and deploy software for space applications. If you have a solid background in modern C++ development, embedded Linux experience, and want to play a critical role in advancing autonomy for space applications, we want to hear from you.</p> <hr> <h3><strong>What You’ll Do</strong></h3> <ul> <li>Design and take ownership of core flight software for advanced space payloads and mission-critical systems.</li> <li>Be involved in low level software development including device drivers and board bring-up.</li> <li>Develop updatable, fault-tolerant software to support complex autonomous operations in orbit.</li> <li>Prototype and validate key system concepts to de-risk development and establish technical feasibility and performance bounds.</li> <li>Build toward a scalable, modular, and reusable software stack that enables rapid iteration and future mission extensibility.</li> <li>Collaborate closely with hardware and AI/ML teams to enable seamless integration.</li> <li>Drive continuous improvement through iterative testing, data-driven feedback loops, and system-level refinement.</li> </ul> <hr> <h3><strong>Qualifications</strong></h3> <ul> <li>BEng/MEng in Engineering, Computer Science, or equivalent experience.</li> <li>Strong proficiency in developing modern C++ for Linux.</li> <li>Strong experience with <strong>SoC platforms</strong> (such as Nvidia Jetsons) or other similar embedded platforms</li> <li>Strong communicator and self-starter; able to work independently and in a collaborative team.</li> <li>Demonstrated skills in debugging and performance characterisation.</li> <li>Experience with Linux, Git, and CI/CD pipelines.</li> </ul> <h3><strong>Preferred Skills & Experience</strong></h3> <ul> <li>Good understanding of communication protocols.</li> <li>Familiarity with containerisation tools (e.g. D

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Lodestar

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