SLD Lunar Fluids & Thermal Systems Analysis Engineer – Lunar Transportation

Blue Origin, LLC

Phoenix, AZ

We are a diverse team of collaborators, doers, and problem-solvers who are relentlessly committed to a culture of safety. This position will directly impact the history of space exploration and will require your commitment and detailed attention towards safe and repeatable space flight. Join us in lowering the cost of access to space and enabling Blue Origin’s vision of millions of people living and working in space to benefit Earth.

As part of a hardworking team of diverse analysts, you will conduct thermal and fluids analysis to define the performance and operations for various spaceflight systems, define hardware requirement and resolve technical challenges. We are looking for thermal/fluids engineers of all skill levels as we expand our portfolio of space vehicles. You will take ownership or support analysis tasks of a complex fluid system by conducting 1D-3D thermal and fluids analysis and contribute to our product life cycle process from early conceptual design through completion of the flight mission. Analysis team contributes to deriving component requirements and system sizing and analyze flight or ground process. You will be responsible for documentation and maintenance of analysis inputs, models, and presenting results to stakeholders.

You will work directly with NASA and our National Team Partners as part of the Human Landing System (HLS) Sustaining Lunar Development (SLD) program. You will play a key role in developing the Lunar Transportation system that will return humans to the Moon and extend human presence permanently beyond the bounds of Earth.


  • Minimum of BS degree in Mechanical or Aerospace Engineering
  • Successful candidates have more than four-year of experience (yet, the application will be considered for other levels if it has more than one year experience)
  • Strong understanding of thermal and fluid mechanics with relevant experience preferably in aerospace industry (We are looking for thermal engineers of all skill levels from beginner to advanced)
  • Experience with one or more fluid or thermal modeling tools is required (e.g., SINDA/FLUINT, Thermal Desktop, Flow3D, CFD++, ANSYS Fluent, MATLAB/Simulink or other commercial codes).
  • Ability to earn trust, maintain positive and professional relationships, and contribute to a culture of inclusion
  • Work closely with other cross functional team as needed (e.g., systems engineers to develop and verify requirements, Design team to support sizing and trade studies, procurement to choose the best supplier)
  • Must be a U.S. citizen or national, U.S. permanent resident (current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.


  • Experience with modeling propulsion/cryogenic fluids management (storage, transfer, phase change,…)
  • Experience with Thermal Desktop, SINDA/FLUINT
  • Experience with Computational Fluid Dynamics (CFD)
  • Knowledge of other tools including MATLAB, Simulink, Amesim
  • Successful candidates typically have relevant proven experience in design and analysis of aerospace thermal systems
  • Advanced graduate degrees (Masters or PhD)
  • Proficiency in one or more programming languages (e.g., MATLAB, Python, C/C++, FORTRAN)
  • Active/passive Thermal/Pressure Control System/component design

Don’t meet every single requirement? Studies have shown that some people are less likely to apply to jobs unless they meet every single desired qualification. At Blue Origin, we are dedicated to building a diverse, inclusive, and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.

Export Control Regulations

Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum.

Equal Employment Opportunity

Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork, in which all employees recognize and appreciate the diversity of individual team members. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, gender, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws. For more information on “EEO Is the Law,” please see here and here.

Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with the Washington Fair Chance Act, Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws.

Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Blue Origin’s Affirmative Action Plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at


Employee Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave (must be employed at time of birth or adoption), short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program available after 1 year of service.

Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays for all regular employees (including part-time), fixed-term, and interns.

Discretionary bonus: Employees may be eligible for discretionary bonuses in addition to base pay. Bonuses are designed to reward individual contributions as well as allow employees to share in company results.