Sr. Software Engineer, Simulations

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Sr. Software Engineer, Simulations in USA new

SpaceX
Full time
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USA
09/23/2026
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Hawthorne, CA

Responsibilities

Develop and maintain high-fidelity real-time simulation software used for SpaceX vehicles.
Develop prototypes to validate design concepts and quantify technical constraints.
Improve the reliability and performance of simulation software.
Collaborate with simulation users to develop features and improve user experience.
Work across engineering groups on models of fluids, electronics, and multi-body physics systems.

Requirements

Bachelor’s degree in computer science, engineering, mathematics, or another STEM discipline plus 5+ years of software development experience, or 7+ years of professional software development experience in lieu of a degree.
At least 2 years of development experience in C++.
Strong C++ software design and development skills.
Understanding of distributed computing systems, networking protocols, memory management, and CPU scheduling.
Knowledge of classical physics and mathematics, including algebra, calculus, and Euclidean geometry.
Strong debugging, performance optimization, and unit testing skills.
Experience with open-source C++ simulators such as ROS2 and Gazebo.
Ability to work independently and collaboratively, communicate effectively, take initiative, and adapt to changing requirements.
Willingness to work extended hours and weekends when needed.
Must meet SpaceX ITAR eligibility requirements or be eligible to obtain required U.S. Department of State authorizations.

Benefits

Base salary range of $165,000.00-$265,000.00 annually.
Potential eligibility for company stock or long-term cash awards, discretionary bonuses, and an Employee Stock Purchase Plan.
Medical, vision, and dental coverage; 401(k) retirement plan; disability and life insurance.
Paid parental leave, discounts, and other perks.
Approximately 3 weeks of paid vacation and 10 or more paid holidays per year.
Paid sick leave under company policy.

Salary: $165k - $265k/yr

SpaceX

SpaceX builds advanced rockets and spacecraft with the aim of making human life multiplanetary, particularly focusing on establishing a sustainable presence on Mars. Its innovative technologies and ambitious missions cater to space enthusiasts, researchers, and industries looking to push the boun...

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