GNC Engineer, Modeling & Simulation

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Guidance, Navigation, and Controls (GNC) Engineer to support the development of next-generation autonomous defense systems. In this role, you will help design, simulate, test, and integrate algorithms that enable our vehicles to navigate, maneuver, and complete their missions. You will work closely with flight software, avionics, aerodynamics, propulsion, systems, and flight-test teams to take GNC capabilities from early simulation through hardware testing and flight. Key Responsibilities Develop and test guidance, navigation, and control algorithms for autonomous aircraft and missile systems. Build simulations and models to evaluate vehicle dynamics and system performance. Support the development of flight-control laws, guidance algorithms, navigation filters, and state-estimation methods. Analyze flight and test data to evaluate performance and identify opportunities for improvement. Support software-in-the-loop, hardware-in-the-loop, ground, and flight testing. Integrate GNC algorithms with flight software, sensors, actuators, avionics, and propulsion systems. Perform Monte Carlo simulations and sensitivity analyses across different operating conditions. Document algorithms, simulation results, test p

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a Principal GNC Engineer to define, develop, and flight-prove the GNC architecture for autonomous aircraft and related defense platforms. You will own system-level technical decisions across guidance, navigation, flight controls, modeling and simulation, embedded implementation, and flight test. This is a hands-on technical leadership role. You will solve the program’s hardest problems, establish engineering rigor, and guide multidisciplinary teams from early vehicle design through flight qualification and deployment. The ideal candidate combines deep flight-vehicle expertise with strong software judgment, decisive technical leadership, and a record of fielding reliable systems. Key Responsibilities Own the end-to-end GNC architecture and technical roadmap across all mission phases, from launch or takeoff through terminal operations, recovery, or landing. Translate mission objectives and vehicle concepts into GNC requirements, interfaces, performance budgets, and verification criteria. Design, analyze, and mature guidance algorithms, control laws, state-estimation solutions, gain schedules, and control-allocation strategies. Ensure robust performance across the full operating envelope while accounting for aerodynamic u

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach Industries is seeking a New Graduate Vehicle Performance Engineer to support the analysis, design, and optimization of next-generation autonomous defense systems. Depending on your experience and interests, you may contribute to aerodynamics, aerothermal analysis, thermal systems, vehicle performance, trajectory analysis, or multidisciplinary design analysis and optimization (MDAO). You will work alongside engineers across vehicle design, propulsion, structures, GNC, systems, and test to evaluate vehicle concepts, understand key performance drivers, and guide engineering decisions. This role is ideal for an analytically strong engineer who enjoys solving multidisciplinary problems and using modeling, simulation, and test data to improve real-world vehicle performance. Key Responsibilities Analyze the aerodynamic, aerothermal, thermal, and mission-level performance of aircraft, missiles, and other autonomous defense platforms. Develop analytical models and simulation tools to evaluate vehicle performance across operating conditions and mission profiles. Perform aerodynamic and thermal analyses using computational, reduced-order, and first-principles methods. Support vehicle sizing, configuration development, trajectory analysis, and multidis

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach's Summer 2027 Engineering Internship, Software is open for future engineers and builders who want to work with us. This is a paid, in-person, 12-week internship. Depending on your background and team placement, you might work on: Guidance, Navigation & Control (GNC) — guidance algorithms, state estimation, trajectory planning, feedback control, and autonomy for unmanned platforms Flight & autonomy software — real-time software, flight control systems, autonomy stacks, and algorithms for next-generation vehicles Embedded software — low-level firmware, device drivers, hardware interfaces, and real-time systems running on embedded platforms Simulation & modeling — high-fidelity simulations, digital twins, hardware-in-the-loop testing, and tools for developing and validating autonomous systems Perception & sensor fusion — processing data from cameras, IMUs, GPS, radar, and other sensors to enable reliable navigation and situational awareness Testing & validation — software-in-the-loop, hardware-in-the-loop, automated testing, flight testing, and analyzing system performance under demanding conditions Sy

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role Mach's Summer 2027 Engineering Internship, Software is open for future engineers and builders who want to work with us. This is a paid, in-person, 12-week internship. Depending on your background and team placement, you might work on: Flight Sciences — aerodynamics, performance, stability & control, trajectory analysis, and modeling for next-generation aerospace systems Flight Test Operations — planning and executing flight tests, developing test cards and procedures, analyzing flight data, and supporting safe and effective test operations Vehicle Design — aerodynamic, structural, thermal, and mechanical design of aircraft and aerospace vehicles Propulsion & Aerothermal Systems — propulsion integration, thermal management, combustion, and performance analysis for advanced aerospace platforms Guidance, Navigation & Control (GNC) — guidance algorithms, flight control, navigation, state estimation, and trajectory planning for autonomous and crewed systems Systems Integration — integrating airframe, propulsion, avionics, GNC, software, and other subsystems into a complete flight vehicle Modeling & Simulation — hi

About Mach Industries Founded in 2023, Mach Industries is a rapidly growing defense technology company focused on developing next-generation autonomous defense platforms. At the core of our mission is the commitment to delivering scalable, decentralized defense systems that enhance the strategic capabilities of the United States and its allies. With a workforce of approximately 350 employees, we operate with startup agility and ambition. Our vision is to redefine the future of warfare through cutting-edge manufacturing, innovation at speed, and unwavering focus on national security. We are dedicated to solving the next generation of warfare with lethal systems that deter kinetic conflict and protect global security. The Role The Sr Embedded DSP Engineer, High Performance Signal Processing will play a key role in developing advanced RF sensing capabilities for Mach’s autonomous defense platforms. Working on the DART team, you will focus directly on next-generation counter-UAV radar systems and RF seekers. You will design radar signal-processing algorithms and implement them as high-performance, low-latency embedded software on high performance processors. You will own capabilities across the full development lifecycle - from mathematical modeling and algorithm prototyping and implementation on high performance processing cores, performance optimization, hardware integration, and system-level validation. This role involves close collaboration with RF, FPGA, hardware, GNC engineers to ensure the successful development of high-performance, low-latency radar systems that meet mission-critical requirements. Success in this role requires strong technical execution, adaptability and expertise in signal processing theory, low level C and hands-on experience optimizing real-time processing pipelines in a fast-paced, iterative, start-up environment. Key Responsibilities Mission: Build next generation counter-UAV defense systems that will be used to defend human lives