Propulsion Thermal Analyst (Raptor Combustion Devices)
- Salary
- $100,000 - $117,500
- Level
- Junior
Not stated in the posting: work type, visa.
Open. First seen 8 July 2026.
About the role
SpaceX's standard text
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.
PROPULSION THERMAL ANALYST (RAPTOR COMBUSTION DEVICES)
The Propulsion Thermal Analyst role is responsible for ensuring the thermal reliability of Raptor components subject to extreme environments from liftoff to landing. These engineers possess an affinity for physics, thermodynamics, advanced computing, and unraveling intricate challenges associated with complex, high-performance hardware. You will drive analysis, design, testing, and development of hardware for the world’s most advanced rocket engine powering Starship, the largest launch vehicle in history.
RESPONSIBILITIES:
- Conduct, document, and present thermal analyses on Raptor hardware through FEA and first principles to inform design decisions and ensure reliability and performance requirements are met for all phases of flight
- Own thermal design of Raptor hardware, from initial high-level analysis down to validation of performance with ground tests, flight, and orbital data
- Collaborate with engineers and technicians across a range of disciplines including design, production, development test, launch, reliability and more to develop hardware that meets high-level engine and vehicle objectives
- Take a practical, hands-on approach to model validation/verification, ensuring that model predictions are representative of design criteria and tied firmly to test data
- Support ongoing design, manufacturing and reliability improvements to the engine, and ensure changes and new designs are properly analyzed and qualified
BASIC QUALIFICATIONS:
- Bachelor’s degree in an engineering discipline, or physics
- 1+ years of academic or professional experience related to thermal analysis (extracurricular and internship experience qualifies)
PREFERRED SKILLS AND EXPERIENCE:
- Master’s degree in mechanical, aerospace, or materials engineering, or physics
- 2+ years of academic or professional experience related to thermal analysis
- Experience with Finite Element Analysis (FEA) software and post-processing
- Experience with Thermal Desktop and/or ANSYS Workbench
- Experience with 0-D and 1-D thermal/fluid networks
- Hands-on experience with rocket engines/motors, automotive engine design, dynamic or complex static fluid systems
- Able to perform hand calculations to validate and improve models
- Excellent interpersonal and communication skills
ADDITIONAL REQUIREMENTS:
- Willingness to travel on occasion in support of testing
- Willingness to work extended hours and weekends as needed to resolve critical technical issues
COMPENSATION AND BENEFITS:
Pay Range:
Level 1: $100,000.00 - $117,500.00
Level 2: $115,000.00 - $140,000.00
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 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 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.
SpaceX's standard text
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.
What this role asks for
Particular to this role
ANSYS · FEA
Rare in SpaceX's other 299 open postings.
81% of this description is written for the role. The rest is SpaceX's standard text, folded away below.
Read against SpaceX's other open postings on this site.
The team: Raptor Combustion Devices - Engineering HIRES STEADILY
This role is one of 9 open in Raptor Combustion Devices - Engineering. 1 was posted in the last 30 days and the oldest in April: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
ANSYS (4 of 9), FEA (4 of 9), GD&T (3 of 9), Python (3 of 9), Siemens NX (3 of 9), C (2 of 9), C++ (2 of 9)
OTHER ROLES ON THIS TEAM
- Propulsion Engineer, Non-Destructive Evaluation (Raptor) posted Oct 16
- Manufacturing Engineer (Raptor Valves Machining) posted Aug 5
- Structural Analyst (Raptor Combustion Devices) posted Aug 5
- Sr. Propulsion Engineer (Raptor Combustion Devices) posted Jul 29
- Propulsion Engineer (Raptor Combustion Devices) posted Jul 29
- Manufacturing Engineer (Raptor Combustion Devices Machining) posted May 28
- New Graduate Engineer, Propulsion (Raptor) posted Apr 29
- Sr. Propulsion Thermal Analyst (Raptor Combustion Devices) posted Apr 21
From the team and dates on SpaceX's own job board.
Other openings for this role
2 postings for this role in Hawthorne, CA since 7 March 2026, 1 still open. None has been taken down and posted again.
- 8 July 2026 – open (this posting)
- 7 March 2026 – closed 11 July 2026
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