Software Engineer, C++ Simulations

SpaceX

Confirmed live 2 days ago High trust

Quick summary

Work type
On-site
Location
Redmond, WA
Salary
$125,000–$165,000 / yr
Posted
37 days ago
Freshness
Confirmed live 2 days ago

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $167k
This role $145k
$116k most similar roles pay here $205k

This role pays less than 54% of similar roles. Most pay $137,500–$196,750 — the shaded band above. At the midpoint, this role pays about $145k versus about $167k for comparable roles.

Based on 240 similar postings.

Employer

About SpaceX

SpaceX designs, manufactures, and launches advanced rockets and spacecraft with the mission of enabling humans to become a multi-planetary species. It operates the Falcon 9, Falcon Heavy, and Starship launch vehicles, as well as the Starlink satellite internet constellation.

SpaceX currently has 680 open roles on FindRole.

Listed pay typically runs $130,000–$165,000 across 442 roles with salary data.

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At a glance

TL;DR · Software Engineer, C++ Simulations

As a Software Engineer, C++ Simulations (Starlink), you will join the GNC team to architect, refactor, and build high-performance C++ core infrastructure for in-house vehicle dynamics simulators and various simulation environments. You will be responsible for developing dispersed Monte Carlo simulations, hardware-in-the-loop setups, testing frameworks, and GNC-specific data visualization tools. The role involves designing the simulation backbone to scale with a growing constellation while collaborating on multi-body physics models and environmental perturbations. You will utilize expert-level C++ skills, focusing on memory management, multi-threading, and data-oriented design to solve performance-critical problems. Required expertise includes high-performance computing, numerical methods, and proficiency in debugging and profiling. Additional experience with Python or front-end technologies for tooling is beneficial. This role addresses the technical challenge of creating high-fidelity simulations to support advanced spacecraft software and hardware development.

What does a Software Engineer earn in Washington?

Median $202800 from 326 postings across 28 companies.

See salary data

What you'll do

  • Architect and refactor high-performance C++ core infrastructure for vehicle dynamics simulators and testing environments.
  • Develop and optimize large-scale Monte Carlo simulation infrastructure including parallelization and dispersion handling.
  • Build and maintain tools, frameworks, and visualization components to accelerate GNC development.
  • Perform performance profiling, optimization, and ensure reliability through continuous integration and automated testing.
  • Model multi-body physics, environmental perturbations, and hardware behaviors for high-fidelity simulations.
  • Design scalable C++ systems that prioritize memory management, concurrency, and data-oriented design.

What we're looking for

  • Bachelor's degree in a STEM discipline and 1+ years of software development experience.
  • 4+ years of professional software development experience in performant C++ or numerical simulations.
  • Expert-level C++ skills including memory management, multi-threading, data-oriented design, and performance optimization.
  • Experience building or optimizing high-performance simulations, physics engines, or real-time systems.
  • High-performance computing background involving parallel computing, profiling tools, and scalable architectures.
  • Strong software architecture skills for large-scale systems and experience leading complex code refactors.
  • Solid foundation in physics and mathematics including dynamics and numerical methods.
  • Must be a U.S. citizen, national, lawful permanent resident, or eligible for required export control authorizations.

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