Software Integration Engineer III/IV

Zone 5 TechnologiesSan Luis Obispo, California

seniorFull-timePosted 10 Nov 2026

Skills in this posting

  • testing

About the role

<div class="content-intro"><p>At Zone 5 Technologies, we're redefining what's possible in precision weapons and unmanned aircraft systems (UAS). Our team of engineers and innovators are developing cutting-edge autonomous solutions to deliver affordable and scalable precision weapons, interceptors, and UAS.</p>

<p>We're building the next generation of munitions and unmanned systems for the United States and its allies. If you're driven by hard problems, energized by rapid innovation, and ready to make an impact on defense technology, you belong here.</p></div><p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 1">Position Summary</span></span></strong><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":322,"335559739":322}"> </span></p>

<p><span data-contrast="auto">At Zone5 Technologies, we’re redefining what’s possible in unmanned aircraft systems. Our team of engineers and innovators is developing cutting-edge autonomous solutions that push the boundaries of UAS technology — solving complex challenges that matter.</span><span data-ccp-props="{"335559738":240,"335559739":240}"> </span></p>

<p><span data-contrast="auto">We’re building the future of UAS capabilities, and we’re looking for exceptional talent to join us. If you’re driven by hard problems, energized by rapid innovation, and ready to make an impact on next-generation flight systems, you belong here.</span><span data-ccp-props="{"335559738":240,"335559739":240}"> </span></p>

<p><span data-contrast="auto">The </span><strong><span data-contrast="auto">Software Integration Engineer III–IV</span></strong><span data-contrast="auto"> is a senior individual contributor role responsible for owning system interfaces and integrating subsystems so they communicate reliably with one another. The engineer will integrate flight software, avionics, sensors, payloads, datalinks, ground systems, and vendor equipment; verify interfaces through laboratory, ground, and flight testing; and work closely with GNC, avionics, software, systems, and flight test teams to ensure safe and reliable aircraft performance. Engineers at this level are the technical authority for the interfaces they own.</span><span data-ccp-props="{"335559738":240,"335559739":240}"> </span></p>

<p><span data-contrast="auto">The ideal candidate combines:</span><span data-ccp-props="{"335559738":240,"335559739":240}"> </span></p>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Interface Control Documents (ICDs) & Interface Requirements</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">System & Subsystem Integration</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Communication Protocols & Data Buses (Ethernet, Serial, CAN, MIL-STD-1553, ARINC 653, WOSA)</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Messaging Middleware (DDS, ROS2, MAVLink)</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Interface Verification & Validation (V&V)</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="6" data-aria-level="1"><span data-contrast="auto">Hardware-in-the-loop (HITL) & Software-in-the-loop (SITL)</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="7" data-aria-level="1"><span data-contrast="auto">Network & Bus Analysis</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="8" data-aria-level="1"><span data-contrast="auto">Systems Engineering & Requirements Management</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="9" data-aria-level="1"><span data-contrast="auto">Test Automation</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="8" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="10" data-aria-level="1"><span data-contrast="auto">Root Cause Analysis</span><span data-ccp-props="{"335559739":0}"> </span></li>

</ul>

<p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 1">Level Expectations</span></span></strong><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":322,"335559739":322}"> </span></p>

<p><strong><span data-contrast="none"><span data-ccp-parastyle="heading 2">Level III (5+ years of experience)</span></span></strong><span data-ccp-props="{"134245418":true,"134245529":true,"335559738":299,"335559739":299}"> </span></p>

<ul>

<li data-leveltext="" data-font="Symbol" data-listid="6" data-list-defn-props="{&q

From Zone 5 Technologies's careers page on Greenhouse. See the original posting. OneProfile isn't the employer and doesn't take applications; you apply on their site.

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