Principal Hardware-in-the-Loop Engineer

About this role

<p>CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats. </p> <p>CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit <a href="https://www.chaosinc.com">www.chaosinc.com</a>.</p> <p><strong><span data-contrast="auto">Role Overview:</span></strong><span data-ccp-props="{"201341983":0,"335559685":360,"335559739":120,"335559740":240}"> </span></p> <p><span data-contrast="auto">CHAOS is seeking a Principal Hardware-in-the-Loop (HIL) Engineer to lead the architecture, development, and deployment of advanced HIL simulation environments supporting high-reliability effector platforms. This role is responsible for defining scalable, high-fidelity validation frameworks that enable full system integration testing across multiple programs—bridging software, autonomy, and flight hardware.</span><span data-ccp-props="{"201341983":0,"335559685":360,"335559739":120,"335559740":240}"> </span></p> <p><span data-contrast="auto">This position spans the full lifecycle of HIL development, from early requirements shaping and simulation architecture through hardware/software integration, automated test development, system validation, and transition to flight test. The ideal candidate is a highly experienced, hands-on engineer who can lead complex HIL efforts, guide other engineers, and ensure consistent, high-quality validation approaches across programs.</span><span data-ccp-props="{"201341983":0,"335559685":360,"335559739":120,"335559740":240}"> </span></p> <p><span data-contrast="auto">This is a full-time, on-site position in El Segundo, CA.</span><span data-ccp-props="{"201341983":0,"335559685":360,"335559739":120,"335559740":240}"> </span></p> <p> <br><strong><span data-contrast="auto">Responsibilities:</span></strong><span data-ccp-props="{"201341983":0,"335559685":360,"335559739":120,"335559740":240}"> </span></p> <ul> <li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":1080,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Lead the architecture, design, and development of HIL test benches for full effector system integration, including flight controllers, ESCs, sensors, and ground control systems</span><span data-ccp-props="{"201341983":0,"335557856":16777215,"335559739":120,"335559740":240}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":1080,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Define HIL strategy, fidelity requirements, and validation approaches to ensure comprehensive system-level test coverage prior to flight</span><span data-ccp-props="{"201341983":0,"335557856":16777215,"335559739":120,"335559740":240}"> </span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{"335552541":1,"335559685":1080,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Establish reusable approaches for HIL system design, model integration, and test automation across…