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Thermal Analyst Sr ACE

Job in Kissimmee, Osceola County, Florida, 34747, USA
Listing for: Blue Origin
Full Time position
Listed on 2026-01-12
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer
Job Description & How to Apply Below
Position: Thermal Analyst Sr. - ACE

Salary range updated, see changes below.

Application close date:

Applications will be accepted on an ongoing basis until the requisition is closed.

At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight!

This role is part of Advanced Concepts and Enterprise Engineering (ACE), supporting Blue Origin’s mission of millions of people living and working in space for the benefit of Earth. The team fosters innovation and drives engineering workflows of the future, shared solutions and standards, simplicity and lower costs, and manufacturable design.

As part of a hardworking team of engineers, you will contribute to the definition and development of spacecraft thermal control systems. You should be comfortable working in a fast-paced and often uncertain environment, contributing to innovative solutions, while demonstrating personal leadership, technical competence, and attention to detail. We are looking for system and/or component level analysts to advance the thermal systems of a spacecraft.

For system level transient thermal analysis of spacecraft in ground, launch, Earth orbit, cis‑lunar space, and lunar orbit using Thermal Desktop, typical tasks include capturing system inputs, performing system level trade studies, performing temperature and heat transfer predictions, and documenting results. For component level analysis, you will work with card level designers, system level thermal analysts, and systems engineers to ensure adequate temperature control of in‑house and vendor procured electronic devices and assemblies.

Contribute to a team of Thermal Engineers and Analysts simultaneously developing groundbreaking spacecraft. We are looking for someone to apply their technical expertise, leadership skills, and commitment to quality to positively impact safe human spaceflight. Passion for our mission and vision is required!

Responsibilities include but not limited to:
  • Developing system-level thermal analysis models of spacecraft at varying levels of maturity and detail with minimal supervision
  • Anchoring thermal predictions to test data
  • Communicating and collaborating clearly and effectively with multiple teams both as a customer and provider of fluid and thermal data
  • Documenting your work for future reference and later refinement
  • Advocating for methods that will improve component and analysis performance and reliability
Minimum Qualifications:
  • Minimum of a B.S. degree in mechanical or aerospace engineering
  • 8 year relevant Thermal Engineering/Analysis experience with Thermal Desktop
  • Solid understanding of thermal fundamentals
  • Demonstrated thermal analysis skills
  • Familiarity with Thermal Desktop and Sinda/Fluint, including model validation and test correlation
Preferred Qualifications:
  • M.S. degree in mechanical or aerospace engineering
  • 10 years of relevant aerospace experience
  • Experience solving a variety of thermal problems demonstrating breadth in analysis application
Compensation Range for:

CO applicants is $ - $. WA applicants is $ - $.

Other site ranges may differ

Culture Statement

Don’t meet all desired requirements? 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 an authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every desired 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.

Background Check
  • Required for all positions:
    Blue’s Standard Background Check
  • Required for Certain Job Profiles:
    Defense Biometric Identification System (DBIDS) background check if at any time the…
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