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Sr. Simulation Software Engineer (Application Software)

SpaceX is developing the technologies to enable human life on Mars and operates vehicle programs including Falcon, Falcon Heavy, Dragon, Starlink, and Starship. The Simulations team builds high-fidelity, real-time simulation software used across flight systems; we are seeking a senior software engineer skilled in C++ and simulation development to design, implement, and maintain core simulation infrastructure and physics models.

Skills

  • Proficient in C++ development for performance-sensitive applications
  • Experience with real-time and simulation systems
  • Strong debugging and performance optimization skills
  • Solid understanding of classical physics and applied mathematics
  • Familiarity with distributed computing, networking, memory management, and CPU scheduling
  • Experience with unit testing and software design principles
  • Comfortable working in a dynamic, fast-paced engineering environment

Responsibilities

  • Design, develop, and maintain high-fidelity real-time simulation software for vehicle systems
  • Implement and validate models of fluids, electronics, and multi-body physics
  • Prototype concepts to evaluate technical constraints and guide design decisions
  • Improve simulation reliability, determinism, and runtime performance
  • Collaborate with cross-functional engineering teams and simulation users to define features and improve usability
  • Write and maintain unit tests, debugging tools, and performance benchmarks
  • Follow and promote software engineering best practices and code quality standards

Education

  • Bachelor's degree in computer science, engineering, math, or other STEM discipline OR equivalent professional experience
  • Advanced degree in a relevant field is a plus

Benefits

  • Base salary plus potential long-term incentives (stock, options, or cash awards)
  • Eligibility for Employee Stock Purchase Plan and potential discretionary bonuses
  • Comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan access
  • Short- and long-term disability insurance and life insurance
  • Paid parental leave
  • Approximately 3 weeks paid vacation and 10+ paid holidays per year
  • Paid sick leave in accordance with company policy
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

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$160000K
$225000K

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SpaceX, founded by Elon Musk, is an aerospace manufacturer and space transport services company aiming to revolutionize space technology, with the ultimate goal of enabling human life on Mars.

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CULTURE VALUES
Mission Driven
Social Impact Driven
Passion for Exploration
Reward & Recognition
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$160,000/yr - $225,000/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
April 3, 2026
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