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Sr. Mechanical Engineer

Job in Kissimmee, Osceola County, Florida, 34747, USA
Listing for: Blue Origin
Full Time position
Listed on 2026-01-01
Job specializations:
  • Engineering
    Aerospace / Aviation / Avionics, Systems Engineer
Job Description & How to Apply 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 the Lunar Permanence business unit, which develops Blue Origin’s Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface.

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. You will work directly with NASA and our National Team Partners as part of the Human Landing System (HLS) Sustaining Lunar Development (SLD) program.

We are looking for an engineer to be responsible for the development and integration of thermal components across the Blue Moon Crew Lander as a part of the SLD Crew Lander Thermal Systems Engineering Vehicle Team. In this role, you will drive component and system requirement development and determine performance requirements, interfaces, and allocated resources (mass, power, etc.) for critical thermal components on the Blue Moon Crew Lander.

You will be responsible for ensuring the design, delivery, and integration of spacecraft thermal components. You will also be responsible for all technical, programmatic, and cost aspects of the assigned thermal component to ensure the component is delivered fully qualified before delivering it to vehicle assembly for integration and system-level testing.

Minimum Qualifications
  • Bachelor’s degree or higher in Mechanical or Aerospace Engineering
  • 10+ years of spacecraft thermal engineering experience
  • First principles understanding of heat transfer and thermodynamics; ability to perform simple hand calcs
  • Strong grasp of heat transfer, fluid mechanics, and mechanical design
  • Experience and ability to work independently on rapid development programs
  • Demonstrated experience in designing, sizing, building, testing, verifying, and validating aerospace hardware is required
Preferred Skills and Experience
  • 15+ years of relevant experience with spacecraft thermal systems or spacecraft component design
  • Master’s degree in aerospace, mechanical, or related engineering discipline
  • Demonstrated ability to own hardware or systems within an integrated engineering team in a professional setting. Specifically, spacecraft active thermal control hardware, systems, or deployable mechanical systems.
  • Demonstrated understanding of structural analysis and failure modes of complex mechanical and/or electromechanical systems
  • Demonstrated ability to own and deliver hardware or systems within an integrated engineering team in the aerospace industry
  • Vendor technical management and product delivery experience
  • Professional experience applying GD&T per ASME Y14.5
  • Able to work well in an integrated collaborative team environment, including frequent interactions with other engineers, managers, and program leadership
  • Highly self-motivated with strong organizational and written/oral communication skills – able to prioritize and execute tasks in a fast-paced environment

Compensation Range for:

CA applicants is $-$; 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,…

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