
Making humanity multiplanetary.
Software Engineer, GNC Simulations (Starlink)
Required skills
Python
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.
SOFTWARE ENGINEER, GNC SIMULATIONS (STARLINK)
As a Simulation Software Engineer on the Starlink GNC team, you will help develop and maintain our in-house vehicle dynamics simulator, as well as related infrastructure for dispersed Monte Carlo simulations, hardware-in-the-loop (HITL) simulations, and GNC-specific data visualization. You will program the core simulation infrastructure and collaborate on the building of models to accurately represent multi-body physics, environmental perturbations, and vehicle power/propulsion/control hardware. 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. 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.
RESPONSIBILITIES:
-
Maintain in-house simulator as it pertains to Starlink and make continual improvements to help that system scale in performance and capability along with our constellation
-
Maintain and improve the SpaceX GNC Monte Carlo simulation infrastructure as it pertains to Starlink
-
Work with simulation software users to develop new features and models, and to improve user experience
-
Improve reliability and performance of simulation software via continuous integration, profiling, etc
BASIC QUALIFICATIONS:
-
Bachelor's degree in computer science, engineering, math, or STEM discipline and 1+ years of experience in software development; OR 3+ years of professional experience in software development in lieu of a degree
-
2+ years development experience in C/C++
PREFERRED SKILLS AND EXPERIENCE:
-
Strong proficiency in C++, python. front-end skills (eg, js)
-
Strong software design and development skills
-
Thorough knowledge of physics and math
-
Strong skills in debugging, performance optimization and unit testing
-
Creative approach to problem solving
-
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:
Pay range:
Software Engineer/Level I: $122,500.00 - $145,000.00/per year
Software Engineer/Level II: $140,000.00 - $170,000.00/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 and long-term disability insurance, life insurance, paid parental leave, and various other discounts and perks. You may also accrue 3 weeks of paid vacation and will be eligible for 10 or more paid holidays per year. Employees in Washington State accrue paid sick time in compliance with state and federal law. Company shuttles are offered to employees for roundtrip travel from select Seattle locations to the SpaceX Redmond office Monday to Friday.
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.
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*. *
Total Views
0
Total Apply Clicks
0
Total Mock Apply
0
Total Bookmarks
0
Similar jobs

Autonomy Software Engineer, Validation Tools
Zipline · South San Francisco, California, USA

Software Engineer 3
MongoDB · Dublin

Software Engineer 4/5– AI for Member Systems
Netflix · USA - Remote

[2026] Software Engineer, Creator - Early Career
Roblox · San Mateo, CA, United States

Software Engineer II - Core Platform
Sumo Logic · United States
About SpaceX

SpaceX
Late StageSpace Exploration Technologies Corp., more commonly known as SpaceX, is a private American aerospace and artificial intelligence company headquartered at the Starbase development site in Starbase, Texas.
13,000+
Employees
Hawthorne
Headquarters
$180B
Valuation
Reviews
10 reviews
4.1
10 reviews
Work-life balance
2.3
Compensation
3.8
Culture
4.2
Career
4.0
Management
3.5
75%
Recommend to a friend
Pros
Innovative projects and cutting-edge technology
Strong mission and sense of purpose
Great team and collaborative environment
Cons
Poor work-life balance
Long hours required
High pressure and stress
Salary Ranges
108 data points
Junior/L3
Junior/L3 · Integration Technician
106 reports
$80,528
total per year
Base
$68,316
Stock
$12,212
Bonus
-
$53,612
$122,653
Interview experience
5 interviews
Difficulty
3.4
/ 5
Duration
21-35 weeks
Experience
Positive 0%
Neutral 60%
Negative 40%
Interview process
1
Application Review
2
Phone Screen
3
Technical Interview/Live Coding
4
Onsite/Virtual Interviews
5
Technical Presentation
6
Final Round
Common questions
Coding/Algorithm
Technical Knowledge
Behavioral/STAR
System Design
Past Experience
Latest updates
Elon Musk has used SpaceX as a kind of piggy bank over the last two decades, turning to the company as a financial tool to get loans and bolster his struggling companies, according to an examination by The New York Times based on corporate filings, intern - facebook.com
facebook.com
News
·
1w ago
Breakingviews - SpaceX’s market claims are planet-scale absurdity - Reuters
Reuters
News
·
1w ago
RIAs Face QQQ Risks Amid SpaceX IPO, Nasdaq Rule Changes - Wealth Management
Wealth Management
News
·
1w ago
SpaceX drone ship retires, what it means for launches - Florida Today
Florida Today
News
·
1w ago