SpaceX · 2 hours ago
GNC Engineer - Top Secret Clearance
Hawthorne, CA
Full-time
Onsite
Entry, Mid Level
$120K/yr - $170K/yr
1+ years expSpaceX 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. In this role, you will be responsible for designing and implementing physics-based system-of-systems simulation software for space vehicles and ground systems. You will work across engineering groups to drive program-level requirements and contribute to critical design decisions.
AerospaceManufacturingSpace Travel
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Build software tools and construct scenarios to perform system-of-systems performance analysis of architectures that include satellites, sensors, communications, and ground infrastructure
Conduct analyses and recommend designs that balance competing requirements
Develop 6-DOF dynamics simulation models used for GNC systems analysis and validation
Develop physics-based models for simulation of RF communications and sensor systems
Assess feasibility of various designs in support of architecture definition
Create a library of space and ground systems models, for inclusion in the simulation environment
Act as a cross-disciplinary expert, ensuring that the system can meet mission objectives
Communicate technical capabilities and analyses with internal stakeholders and external customers
Play an integral part of a small team that will continuously iterate on mission design through all phases of the program
Qualification
Required
Bachelor's degree in an engineering discipline or physics
1+ years of professional experience with modeling and simulation
Software development experience in C++ or Python
This position requires successfully obtaining and maintaining a Top Secret Security Clearance as a condition of employment
Willing to work extended hours and weekends when needed
Preferred
Active Top Secret, Top Secret SCI, or DOE Level Q clearance
Demonstrated experience with writing scalable software in a team setting
Strong modern software design and development skills
Professional programming experience in modern C++ (C++14 and above)
Master's degree or PhD in physics or an engineering discipline
Demonstrated experience in developing state estimation algorithms
Demonstrated experience in RF communication
Demonstrated experience in developing and presenting compelling analyses of complex trades
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
Demonstrated experience in debugging, performance optimization, and test automation
Excellent communication skills, both written and verbal
Benefits
Long-term incentives, in the form of company stock, stock options, or long-term cash awards
Potential discretionary bonuses
Ability to purchase additional stock at a discount through an Employee Stock Purchase Plan
Comprehensive medical, vision, and dental coverage
401(k) retirement plan
Short and long-term disability insurance
Life insurance
Paid parental leave
Various other discounts and perks
3 weeks of paid vacation
10 or more paid holidays per year
Paid sick leave pursuant to Company policy which satisfies or exceeds the accrual, carryover, and use requirements of the law
Company
SpaceX
SpaceX is an aviation and aerospace company that designs, manufactures, and launches rockets and spacecraft.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$11.78BKey Investors
Korea Investment PartnersIntesa SanpaoloAndreessen Horowitz
2025-12-12Secondary Market
2025-09-10Secondary Market
2025-08-13Secondary Market· $10M
Leadership Team
Elon Musk
Founder, CEO & CTO
Bret Johnsen
CFO
Recent News
Oman Observer
2026-01-25
legacy.thefly.com
2026-01-23
Company data provided by crunchbase