
Sr. Software Engineer, Simulations (Application Software)
SpaceX · Hawthorne, CA
- On site
- Full-time
- $225,000 / year
- Hawthorne, CA
Email the hiring manager to get a response.
Get their verified email + an intro that's ready to send.
Subject: Interested in the Sr. Software Engineer, Simulations (Application Software) role at SpaceX
Hi Dana — I came across the Sr. Software Engineer, Simulations (Application Software) opening and wanted to reach out directly. I've spent the last few years doing exactly this kind of work, and SpaceX stood out because…
✎ Personalized to your résumé after sign-up.
- ✓ Verified email of the hiring manager
- ✓ Intro email personalized to your résumé
- ✓ $9/mo = unlimited — any job link
Secure checkout · cancel anytime
Job highlights
- Develop high-fidelity simulation software for SpaceX vehicles.
- Design and build core simulation infrastructure.
- Collaborate on physics and system modeling.
- Improve simulation reliability and performance.
- Work on critical missions from Falcon to Starship.
About the role
Senior Software Engineer, Simulations (Application Software)
SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars.
About the Role
As a Software Engineer on the Simulations team, you will design, develop, and test our in-house simulation software supporting all SpaceX flight systems. You will program the core simulation infrastructure and collaborate on the building of models of fluids, electronics, and multi-body physics systems. This is a high impact role where you will work across the engineering groups to build high fidelity simulations used to develop cutting-edge software and hardware. Our simulation software is critical to current and future mission successes including Falcon, Falcon Heavy, Dragon, Starlink, and Starship. SpaceX is looking for smart, motivated software engineers who enjoy taking on complex challenges, work well in dynamic environments and care about software best practices.
Help us build world class software that is critical to SpaceX mission to Mars.
Responsibilities
- Develop and maintain the high-fidelity real-time simulation software used for all vehicles
- Develop prototypes to prove out key design concepts and quantify technical constraints
- Maintain the highest standards of excellence, never settle for the status quo
- Improve reliability and performance of simulation software
- Work with simulation software users to develop new features and improve user experiences
Basic Qualifications
- Bachelor's degree in computer science, engineering, math, or STEM discipline and 5+ years of experience in software development; OR 7+ years of professional experience in software development in lieu of a degree
- 2+ years development experience in C++
Preferred Skills And Experience
- Strong software design and development skills in C++
- Understanding of distributed computing systems, networking protocols, memory management, and CPU scheduling
- Thorough knowledge of classical physics and math (algebra, calculus, Euclidean geometry)
- Strong skills in debugging, performance optimization and unit testing
- Creative approach to problem solving
- Experience with open source C++ simulators such as ROS2 and Gazebo
- Ability to work effectively in a dynamic environment with changing needs and requirements
- Ability to work independently and in a team, take initiative, and communicate effectively
Additional Requirements
- Willing to work extended hours and weekends when needed
Compensation and Benefits
Software Engineer/Senior: $160,000.00 - $225,000.00/per year
Your actual level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Base salary is just one part of your total rewards package at SpaceX. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. You will also receive access to comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation & will be eligible for 10 or more paid holidays per year. Employees accrue paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law.
ITAR Requirements
To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C.1157, or (iv) Asylee under 8 U.S.C.1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here.
Equal Opportunity Employer Statement
SpaceX is an Equal Opportunity Employer; employment with SpaceX is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Applicants wishing to view a copy of SpaceX’s Affirmative Action Plan for veterans and individuals with disabilities, or applicants requiring reasonable accommodation to the application/interview process should reach out to EEOCompliance@spacex.com.
Key skills/competency
- Software Engineering
- Simulations Development
- C++ Programming
- Real-time Systems
- Physics Modeling
- Distributed Computing
- Performance Optimization
- Unit Testing
- Problem Solving
- Software Design
Skills & topics
- Senior Software Engineer
- Simulations
- Software Development
- C++
- SpaceX
- Real-time Systems
- Physics Simulation
- Aerospace
- Engineering
- High-Fidelity Simulation
How to get hired
- Tailor your resume: Highlight C++ experience, simulations, physics, and STEM education. Quantify achievements.
- Showcase your skills: Emphasize problem-solving, debugging, and optimization in your application.
- Prepare for technical interviews: Expect questions on C++, physics, algorithms, and distributed systems.
- Demonstrate drive: Be ready to discuss your passion for SpaceX's mission and space exploration.
- Understand ITAR: Be aware of U.S. export regulations for eligibility.
Technical preparation
Behavioral questions
Frequently asked questions
- What is the STAR method for SpaceX Senior Software Engineer interviews?
- The STAR method (Situation, Task, Action, Result) is crucial for SpaceX interviews. For the Senior Software Engineer, Simulations role, prepare to describe specific projects where you've developed simulation software, designed complex systems, or optimized performance. Use concrete examples demonstrating your C++ skills, understanding of physics, and ability to work in a dynamic environment.
- How important is C++ experience for the SpaceX Senior Software Engineer, Simulations role?
- C++ experience is fundamental for this Senior Software Engineer, Simulations position. The job description explicitly requires at least 2 years of C++ development experience and lists strong C++ skills as preferred. Your proficiency in C++ will be heavily assessed during the technical interviews, so be prepared to discuss your projects and problem-solving approaches using this language.
- What kind of physics knowledge is needed for the Senior Software Engineer, Simulations job at SpaceX?
- For the Senior Software Engineer, Simulations role at SpaceX, a thorough knowledge of classical physics and math is required. This includes algebra, calculus, and Euclidean geometry. You should be prepared to discuss how you've applied these principles in your software development, particularly in building models for fluids, electronics, and multi-body physics systems within simulations.
- How does SpaceX assess problem-solving skills for simulation engineers?
- SpaceX assesses problem-solving skills for simulation engineers through a combination of technical and behavioral questions. Expect to tackle complex technical challenges during interviews, requiring you to debug code, optimize performance, and devise creative solutions for simulation models. Your ability to think critically and innovatively in dynamic environments is key.
- What are the typical work hours for a Senior Software Engineer at SpaceX?
- While standard work hours apply, SpaceX expects its engineers, including Senior Software Engineers in Simulations, to be willing to work extended hours and weekends when needed. This reflects the demanding nature of the space industry and the company's mission-driven culture. Flexibility and dedication are highly valued.
- Does SpaceX hire international applicants for the Senior Software Engineer, Simulations role?
- SpaceX has specific ITAR (International Traffic in Arms Regulations) requirements for this role. To be eligible, you must be a U.S. citizen or national, a U.S. lawful permanent resident, a refugee, or an asylee, or be eligible to obtain required U.S. Department of State authorizations. International applicants not meeting these criteria may not be considered.
