Blue Origin

Principal Thermal Analysis Engineer - Space Exploration Systems

Blue Origin$169K — $237K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's Degree in Mechanical or Aerospace Engineering.
  • 10+ years of experience for Senior level; 15+ for Principal level in thermal systems engineering.
  • Hands-on experience in thermal control systems within aerospace.
  • Expert understanding of heat transfer, fluid mechanics, and thermodynamics.
  • Proficiency with thermal analysis tools like Thermal Desktop and ANSYS Workbench.
  • Experience leading cross-functional engineering teams.
  • U.S. Citizenship or eligibility required.

Responsibilities

  • Lead thermal control system architecture for space systems from concept through delivery.
  • Define and select thermal control strategies and solutions.
  • Conduct comprehensive thermal analysis to verify system performance.
  • Develop and maintain high-fidelity thermal math models and correlate to test data.
  • Perform thermal design trade studies to support engineering decisions.
  • Collaborate with engineering teams for thermal design integration.
  • Develop thermal test plans and validate control system performance.

Benefits

  • Medical, dental, and vision insurance.
  • 401(k) with up to 5% company match.
  • Paid parental leave and short/long-term disability coverage.
  • Education Support Program for continuous learning.
  • Stock options for regular employees working at least 20 hours/week.
  • Generous paid time off and company-sponsored holidays.
Full Job Description
Application close date:
Applications will be accepted on an ongoing basis until the requisition is closed.

Honeybee Robotics' Exploration Systems division is seeking an experienced Thermal System/Analysis Engineer with technical expertise, leadership skills, and commitment to join our team. You will be responsible for leading projects that require advanced thermal analysis expertise. You will contribute to the definition and development of spacecraft thermal control systems. In this role, you will drive component and system thermal requirement development and determine performance requirements, interfaces, and allocated resources (mass, power, etc.) for critical thermal components. You will be pivotal in ensuring the thermal integrity of our aerospace components/system, leading complex analyses, and collaborating with cross-functional teams to deliver results. Your primary responsibility will be to conduct thermal analyses, applying state-of-the-art techniques to design, develop, and test groundbreaking space electro-mechanical and avionics systems.

Exploration Systems specializes in the development of advanced robotic systems and technology solutions. Our focus is on creating innovative mechanisms and instruments for a wide range of applications, including space exploration, planetary science, and various terrestrial industries. Our expertise includes designing drilling and sampling systems, robotic arms, mobility systems, and custom solutions that meet the complex needs of challenging environments. We are known for our pioneering work on technologies that enable exploration and operations in harsh conditions, aiming to advance human and robotic capabilities through cutting-edge engineering and collaboration.

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!

Special Mentions:
  • The role requires working in an office/laboratory environment (Altadena, CA) with occasional visits to test facilities and manufacturing sites
  • Relocation assistance is provided


Responsibilities include but are not limited to:
  • Own and lead the thermal control system (TCS) architecture and design for space electro-mechanical and avionics systems across all program phases - from concept through hardware delivery and mission operations.
  • Define thermal control strategies and select appropriate thermal control solutions including passive and active systems, MLI blankets, thermal coatings, heat pipes, heaters, thermostats, radiators, and thermal isolators.
  • Lead and conduct comprehensive thermal analysis including steady-state, transient, and trajectory-dependent analyses to characterize thermal environments and verify thermal control system performance.
  • Develop, validate, and maintain high-fidelity thermal math models (TMMs) using Thermal Desktop, SINDA/FLUINT, and ANSYS Workbench, and correlate models to test data and flight telemetry.
  • Perform rigorous thermal design trade studies using first principles and engineering fundamentals, providing clear, defensible recommendations to support design decisions.
  • Apply deep expertise in heat transfer, fluid mechanics, and thermodynamics to solve complex thermal challenges across electro-mechanical and avionics systems.
  • Define thermal requirements, allocations, and verification approaches for hardware at the component, subsystem, and system level.
  • Lead thermal system integration activities in collaboration with structural, mechanical, avionics, and propulsion engineering teams to ensure compliant and producible thermal designs.
  • Develop and execute thermal test plans including thermal vacuum (TVAC), thermal cycling, and acceptance testing to validate thermal control system performance and verify compliance with requirements.
  • Collect, process, and analyze thermal test data from hardware testing to validate thermal models and support design decisions.
  • Support and present thermal system analysis and design products at design reviews (PDR, CDR, TRR, FRR) and key program milestones.
  • Lead cross-functional project teams, manage deliverables, and ensure timely completion of program milestones.
  • Provide technical mentorship to junior thermal engineers and analysts, elevating team capability and fostering a culture of engineering excellence.
  • Identify and champion best practices and process improvements for thermal systems engineering methodologies across the organization.
  • Produce high-quality thermal system engineering documentation, analysis reports, and presentations suitable for internal reviews and customer delivery.
  • Communicate complex thermal systems results clearly to multi-disciplinary teams, program management, and customers.


Minimum Qualifications:
  • Bachelor's Degree in Mechanical Engineering, Aerospace Engineering, or closely related technical discipline.
  • Level 4 (Senior): 10+ years of relevant experience in thermal systems engineering, thermal analysis, thermodynamics, and/or fluid systems.
  • Level 5 (Principal): 15+ years of relevant experience in thermal systems engineering, thermal analysis, thermodynamics, and/or fluid systems.
  • Proven, hands-on experience designing and analyzing thermal control systems within the space or aerospace industry.
  • Expert-level understanding of heat transfer (conduction, convection, radiation), fluid flow, and thermodynamic principles as applied to spacecraft thermal control systems.
  • Deep familiarity with spacecraft thermal control hardware including heaters, MLI blankets, thermal coatings, heat pipes, radiators, thermostats, and thermal isolators.
  • Proficiency with industry-standard thermal analysis tools including Thermal Desktop, SINDA/FLUINT, and ANSYS Workbench, including model development, validation, correlation, and uncertainty quantification.
  • Experience defining thermal requirements, thermal control strategies, and verification approaches at the component, subsystem, and system level.
  • Strong understanding of structural and mechanical design fundamentals as they relate to passive thermal hardware integration and producibility.
  • Solid grasp of the product development lifecycle in the space industry from design through test, verification, and operations.
  • Demonstrated experience leading cross-functional engineering teams and managing complex, multi-deliverable projects.
  • Ability to write clear, concise technical reports and present findings confidently to multi-disciplinary audiences.
  • Excellent problem-solving skills with a track record of delivering results in fast-paced environments.
  • 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.


Preferred Qualifications:
  • Familiarity with lunar surface thermal environments including diurnal temperature extremes, hard vacuum conditions, solar and albedo flux, regolith thermal properties, and eclipse and survival heating considerations.
  • Hands-on experience with electro-mechanical systems thermal control system design and integration.
  • Avionics thermal systems expertise at the component and system level.
  • Familiarity with cryogenic thermal control systems.
  • Proficiency in trajectory-dependent thermal analysis for launch vehicles or spacecraft.
  • Working knowledge of aerospace standards and regulations including NASA-STD, ECSS, and MIL-HDBK as they apply to thermal control systems.
  • Experience on verification and validation programs for complex spaceflight systems.
  • Knowledge of MATLAB and/or Python for scripting, data analysis, and thermal model automation.
  • Experience with 3D CAD tools, preferably Autodesk Inventor.
  • Strong executive-level reporting and presentation skills.
  • Proven ability to prioritize and deliver under tight deadlines in dynamic program environments.


Base Pay Range for:
CA applicants is $169,624.00 - $237,473.25

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.

Benefits
  • Benefits include: Medical, dental, vision, basic and supplemental life insurance, paid parental leave, short and long-term disability, 401(k) with a company match of up to 5%, and an Education Support Program.
  • Stock Options for all regular employees (working at least 20 hours/week)
  • Paid Time Off: Up to four (4) weeks per year based on weekly scheduled hours, and up to 14 company-paid holidays.
  • Dependent on role type and job level, employees may be eligible for benefits and bonuses based on the company's intent to reward individual contributions and enable them to share in the company's results, or other factors at the company's sole discretion. Bonus amounts and eligibility are not guaranteed and subject to change and cancellation. Please check with your recruiter for more details.


About Blue Origin

Blue Origin is an aerospace company that develops rockets and spacecraft for commercial and government customers. The company's products include the New Shepard suborbital vehicle and the New Glenn orbital rocket. Blue Origin was founded in 2000 by Jeff Bezos and is headquartered in Kent, Washington.
Learn more about Blue Origin
Size
3,000 employees
Industry
Founded
2000

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