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Sr. Software Engineer, Simulations (Application Software) - job 1 of 2

SpaceX is developing technologies to enable humanity to explore and live beyond Earth. The Simulations team seeks a senior software engineer to design, develop, and maintain high-fidelity, real-time simulation software used across Falcon, Dragon, Starlink, and Starship programs, working closely with cross-functional engineering teams to build models and improve simulation fidelity, performance, and reliability.

Skills

  • Strong C++ development and software design skills (2+ years C++ experience)
  • Experience with debugging, performance optimization, and unit testing
  • Knowledge of classical physics and applied mathematics (algebra, calculus, geometry)
  • Familiarity with distributed systems, networking protocols, memory management, and CPU scheduling
  • Experience developing simulation models (fluids, electronics, multi-body physics)
  • Ability to work in a dynamic, fast-paced environment and take initiative
  • Strong verbal and written communication skills

Responsibilities

  • Design, develop, and maintain core high-fidelity real-time simulation infrastructure
  • Create and iterate prototypes to validate design concepts and quantify constraints
  • Develop models for fluids, electronics, and multi-body physics systems
  • Improve simulation performance, reliability, and scalability
  • Debug and unit test simulation components to ensure correctness
  • Collaborate with cross-disciplinary engineering teams and simulation users to define features and improve user experience
  • Document designs and implementation details; maintain software best practices

Education

  • Bachelor's degree in Computer Science, Engineering, Mathematics, or related STEM discipline and 5+ years of software development experience
  • OR 7+ years of professional software development experience in lieu of a degree

Benefits

  • Base salary within stated range plus potential discretionary bonuses
  • Eligibility for long-term incentives: company stock, stock options, or long-term cash awards
  • Employee Stock Purchase Plan (ESPP)
  • Comprehensive medical, vision, and dental coverage
  • 401(k) retirement plan
  • 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
  • Various employee discounts and perks
To read the complete job description, please click on the ‘Apply’ button
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Average salary estimate

$192500 / YEARLY (est.)
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max
$160000K
$225000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

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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.

116 jobs
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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 1, 2026
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