Guidance, Navigation, and Control (GNC) Engineer

About the RoleAs a Controls Engineer, you'll help shape the way a revolutionary new class of vehicle moves. You'll contribute to the development of the vehicle's flight-control logic — ensuring it remains stable, responsive, and safe as it seamlessly transitions between operating modes. Your work will coordinate aerodynamic and hydrodynamic surfaces into a unified, intelligent system that can gracefully handle gusts, waves, and the unexpected. Through high-fidelity simulation, hardware-in-the-loop testing, and hands-on tuning during sea trials, you'll play a key role in turning cutting-edge control theory into a certifiable, real-world mobility solution. As part of the Software Team, you'll be joining a group of driven, collaborative, and talented engineers who take pride in solving complex technical challenges and making an impact as a team. We hold a high bar for engineering rigor, move fast, think boldly, and rely on our teamwork to push boundaries and turn breakthrough ideas into real-world technology. If you're energized by working at the intersection of cutting-edge innovation, real-world impact, and hands-on engineering, you'll be in the right place — and we'd be thrilled to have you on the team!Key ResponsibilitiesOwn vehicle control laws: Design and implement control laws for stabilization, mode transitions, envelope protection, and emergency fallbacks that keep vehicles safe and responsive across all phases of flight.Apply safety-critical rigor: Define and trace requirements, lead design/code reviews, and develop rigorous test plans including SIL and HIL to meet certification-grade robustness.Simulate, analyze, refine: Use and extend high-fidelity simulation environments (MATLAB/Simulink or custom frameworks) to design and validate GNC algorithms. Perform both linear and nonlinear analysis to evaluate performance and iterate with confidence.Integrate multisensor navigation: Develop and optimize state estimation algorithms that integrate GNSS/INS, radar altimeter, and other sensor inputs for reliable positioning in challenging maritime environments.Tune with real-world data: Leverage flight test and sea trial data to iteratively refine control algorithms and close the loop between simulation and reality.Collaborate across disciplines: Work closely with aero, hydro, mechanical, and systems teams to align on actuator specs, control-surface design, and verification strategies.Lead test events: Plan, execute, and analyze full-scale test events to validate and mature flight controls, driving toward a certifiable and production-ready system.QualificationsProven track record of designing and flight-testing control systems for aircraft, UAS, or similarly complex vehicles, driven by a deep passion for advancing control in multi-modal, high-coupling environments where safety, stability, and performance must coexist.Strong theoretical foundation in control theory, plus hands-on application to real systems.Proven design of real-world control systems and state-estimation filters.Experience designing control algorithms and simulations in MATLAB/Simulink.Demonstrated safety & quality mindset in regulated or mission-critical programs.Preferred SkillsDirect contribution to ARP4754A, DO-178C, or DO-254 certification artifacts.CFD-coupled control design or ground-effect / hydrofoil dynamics experience.Flight-test or sea-trial planning and execution.Powerus is an Equal Opportunity Employer and is committed to creating an inclusive and diverse workplace. We welcome applicants from all backgrounds and do not discriminate based on race, color, religion, gender, sexual orientation, age, national origin, disability, veteran status, or any other legally protected status.