Senior Software Engineer, Simulation

Muon Space
San Jose, CA$184k – $208kPosted 31 March 2026

Tech Stack

Job Description

About the role Simulation is a core piece of how Muon gets things done. We have a simulation ecosystem that’s used for systems engineering, GNC (Guidance, Navigation and Control) development, operations planning, ground system planning, spacecraft scheduling, model fitting, flight software testing, and hardware testing. The same power model used when proposing a vehicle design to a customer is what we’ll use when running hardware-in-the-loop on nightlies of flight software once we have the real hardware in house, and it’s the same system the automated scheduler will use when deciding if a schedule is power-positive. Helping drive the development of a system this flexible is a challenge with a lot of leverage. Responsibilities Enable simulation as a key component in the planning, development, production, and scaling of the hardware and software components of running spacecraft Develop high fidelity simulation of spacecraft hardware and software and how they interact with the physical environment Build cloud-capable simulation services to simulate a broad range of scenarios Support the integration of simulation in other systems: software-in-the-loop, hardware-in-the-loop, operations-in-the-loop, scheduling, maneuver planning, ground system planning, monitoring and mission analysis Refine requirements for, design, scope, plan, and execute on major simulation software initiatives Push the boundaries of the state of the art in spacecraft simulation, developing systems that can keep Muon at the forefront of advanced spacecraft design and operation Required Qualifications Minimum of 5 years of experience Substantial experience modeling different classes of dynamics in mechanical, electrical, or aerospace engineering Ability to apply different modeling philosophies as-needed including data-driven, first-principle, and parameter-fitting Broad knowledge of computational mathematics: differential equations, statistics, optimization, and geometry A deep understanding of numerical methods High productivity in a fast-paced, multidisciplinary environment with many collaborating teams Preferred Qualifications Experience using simulation and emulation to develop and test code, such as hardware in the loop, software in the loop testing, or simulated fault injection in automated testing. Experience using logs and observability of systems for automating testing and analysis of real performance for diagnosing faults and improving simulation fidelity Experience with Julia, C++, and/or Python Experience with distributed system design, cloud computing, API design, web APIs and reusable components Salary The salary range for this role is $184,000 - $208,000 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 About Muon Space Founded in 2021, Muon Space is an end-to-end Space Systems Provider that designs, builds, and operates LEO satellite constellations delivering mission-critical data. Our revolutionary, integrated technology stack enables customers to optimize every dimension of their missions for faster time-to-orbit and superior constellation remote sensing performance. Our state-of-the-art facility in the heart of Silicon Valley is optimized for manufacturing spacecraft and rapid, flexible payload integration at scale. From climate monitoring to national security, Muon Space is dedicated to delivering Earth Intelligence for a safer and more resilient world. 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 paren ... (truncated, view full listing at source)
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