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castelion
The Senior Simulation Software Engineer, GNC is responsible for designing, developing, and maintaining high-fidelity simulation software to support missile guidance, navigation, and control (GNC) development. This role involves collaborating with algorithm developers, flight software engineers, and test teams to create robust simulations that drive system architecture decisions and mission success. The position requires building scalable infrastructure for Monte Carlo campaigns and ensuring configuration management between simulation and flight code.
Headquarters
Torrance, California, United States
Company Size
11-50 employees
Founded
2022
Castelion designs, tests, and manufactures next‑generation military systems rapidly and at massive scale to deter future wars. The company integrates rapid engineering, prototyping, testing, and high‑rate production to field advanced defense capabilities. Serving military and government customers, Castelion emphasizes speed, scalability, and rigorous validation to deliver resilient systems when and where they’re needed.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for castelion.
castelion didn’t post a salary, so this is our estimate from similar listings.
14% above the average for this role