Hardware-in-the-Loop Test Engineer

About Powerus\n \n Powerus is building a next-generation American autonomous systems platform designed to move, protect, and sustain critical assets in high-consequence environments.

The company combines advanced autonomy, manufacturing capability, operational expertise, and strategic acquisitions to support defense, national security, critical infrastructure, and commercial operations globally.\n \n Mission\n \n Our mission is to deliver resilient autonomous technologies that strengthen national security, improve operational safety, and expand the capabilities of organizations operating in complex environments.\n \n Why Join Powerus\n \n Powerus releases flight, payload, and datalink firmware on a frequent cadence.

Each release is verified on flight hardware before it goes to flight test.\n \n This role owns that verification: the hardware-in-the-loop rigs, the automated regression suites that run on them, and the release test report.

Software engineers unit-test their own code; this role tests the integrated firmware on flight hardware.\n \n Position Overview\n \n Powerus is seeking a Hardware-in-the-Loop Test Engineer to build HIL rigs and automated test suites for embedded flight firmware and to run release verification.\n \n Key Responsibilities\n \n\n Design, build, and maintain hardware-in-the-loop rigs using flight controllers, sensors, and simulated vehicle dynamics\n Develop automated regression tests for flight controller, payload, and datalink firmware\n Run release verification on HIL rigs and issue release test reports\n Trigger HIL regression from the CI pipelines maintained by DevOps\n Reproduce defects reported from flight test and field use on HIL rigs\n Define test coverage with flight software engineers and trace tests to requirements\n Maintain test documentation and rig configuration records\n\n Qualifications\n \n\n Must be located in the United States, within commuting distance of Rock Hill, SC\n Bachelor's degree in computer engineering, computer science, or electrical engineering, or equivalent practical experience\n Experience building or operating hardware-in-the-loop test systems for embedded software\n Proficiency in Python for test automation\n Experience with continuous integration systems\n Working knowledge of serial, CAN, and Ethernet interfaces\n U.S.

Person status required (U.S.

citizen, lawful permanent resident, or protected individual under 8 U.S.C.

1324b(a)(3)); this role involves access to ITAR- and EAR-controlled technical data\n\n Preferred Qualifications\n \n\n Experience with vehicle dynamics simulation for HIL\n Experience with C or C++\n Experience testing flight control or vehicle software\n Experience with requirements traceability tools\n\n What We Look For\n \n Candidates should have built a HIL rig or automated hardware test system that caught defects before release, and should be able to explain how test coverage was measured.\n \n Equal Opportunity Statement\n \n Powerus is an equal opportunity employer committed to building a diverse and mission-driven workforce.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by applicable law.