GNC Engineer

About the Role Muon seeks a talented Spacecraft Attitude Control System (ACS) AKA Guidance, Navigation, and Control (GNC) engineer specializing in attitude control design to join our team. The ideal candidate can go both deep and broad across the control system analysis and design process. They would use a “systems mindset” to be a multiplier when collaborating with other disciplines to arrive at an elegant, best-fit spacecraft design. In this role, you will work with Muon’s Product and Mission Execution teams - developing modular, mission-agnostic attitude control schemes for our spacecraft platforms that can be extended to meet mission-specific requirements. Responsibilities Design and implement attitude control architectures and algorithms in an embedded C++ environment Define requirements for ACS algorithms, hardware, and related systems, including roadmap development that unlock new customer opportunities Perform analysis and simulation of mission-specific performance Support performance trending and anomaly resolution of on-orbit systems, including oncall duties Support software- and hardware-in-the-loop test planning, execution, and validation Qualifications PhD or Master’s degree in mechanical or aerospace engineering or equivalent plus 2+ years of professional experience, OR several years of experience hands‑on with GNC analysis and design Software skills in C++ Knowledge of control and optimization theory Experience working with common LEO platform attitude actuators and sensors, including reaction wheels, magnetorquers, gyros, star trackers, and magnetometers Expertise in common numerical programming environments (Python, Julia, MATLAB) Experience designing, analyzing, and implementing ADCS/GNC subsystems for spacecraft Excellent communication, presentation, and coordination skills Excited to work in a fast‑paced environment with new opportunities each week Experience with control stability analysis of flexible bodies Nice-to-Have Skills Experience with ADCS of low‑jitter precision pointing platforms, control moment gyros, and vibration isolation Experience with spacecraft flight operations Salary The salary range for this role is $124,000 - $189,000 plus a competitive equity grant and comprehensive benefits package. Final compensation will be based on skills, qualifications, experience, and geographic location as assessed during the interview process. Taking Care of Our Team At Muon salary is only part of our total compensation package. In addition to salary, full‑time employees receive equity compensation as well as benefits including medical, dental, and vision insurance, a 401k retirement plan, short & long term disability and life insurance. We also offer three weeks paid vacation for new employees, along with 12 paid holidays, unlimited sick time and paid parental leave. Our mission embraces the entire planet and we believe our team should too. Muon is dedicated to creating a diverse and dynamic company and workforce. We believe in equal employment opportunity regardless of race, color, ancestry, religion, sex, age, national origin, citizenship, sexual orientation, marital status, disability, or gender identity. We value diversity in the workplace, and that starts with our applicants. In addition, if you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. ITAR/EAR Requirements This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. The Company may, for legitimate business reasons, decline to pursue any export licensing process. #J-18808-Ljbffr