Senior Thermal/Fluids Engineer – Lunar Permanence

BLUE ORIGIN

. Lead and conduct component- and system-level thermal/fluid analyses and trade studies for cryocooler, heat exchanger, and test asset design optimization .

Posted 10/8/2026full-timeUnited StatesSenior💰 $144,179 - $219,522 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in thermal and fluid system design, analysis, and optimization, with a strong command of heat transfer and fluid flow fundamentals. Proven ability to lead projects, mentor junior analysts, and communicate complex analytical results effectively.

Highest-signal resume keywords

Thermal/Fluid System DesignHeat Exchanger DesignFEA/CFD ExperienceAnsys SoftwareData Reduction and Analysis

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Thermal AnalysisFluid AnalysisHeat Transfer FundamentalsFluid Flow FundamentalsTest Procedure DevelopmentComponent TestingSystem Performance AssessmentDesign OptimizationAnalytical Model DevelopmentTechnical Report Writing

Soft Skills

Interpersonal SkillsWritten CommunicationProblem SolvingProject OwnershipCommitment to Safety

Tools & Technologies

AnsysThermal DesktopCryogenic SystemsNon-Cryogenic Fluid Systems

Industry Keywords

Mechanical EngineeringAerospace EngineeringCryocooler DesignThermal Management SystemsBlue Origin Compliance

About the role

Key responsibilities & impact

Lead and conduct component- and system-level thermal/fluid analyses and trade studies for cryocooler, heat exchanger, and test asset design optimization
Communicate analytical results and the effects of design changes on component and system performance
Review and interpret test data to assess system and component performance and health, and anchor analytical models
Lead design, analysis, and data reviews/reports and related technical scope
Provide peer and technical reviews for thermal and fluid analyses
Lead and mentor early-career thermal/fluid analysts
Create work plans, document progress, and report status to leads and managers
Assist in developing test plans and procedures for component, subsystem, and integrated cryocooler testing
Execute test procedures involving pressurized cryogenic and non-cryogenic fluid systems
Collaborate with engineers and technicians in cryocooler and thermal management system design, development, manufacturing, testing, and troubleshooting
Ensure work complies with Blue Origin policies and procedures

Requirements

What you’ll need

Minimum of a bachelor’s degree in mechanical, civil, aerospace, or aeronautical engineering
7+ years’ experience with thermal/fluid system design, development, and analysis
Experience in heat exchanger design, analysis, and/or test
Strong command of heat transfer and fluid flow fundamentals
Demonstrated thermal/fluid FEA/CFD experience using Ansys, Thermal Desktop, or similar software
Data-reduction and analysis experience
Strong written and interpersonal skills
Desire to take ownership of projects
Strong personal commitment to safety
Ability and desire to understand complex systems, investigate and solve challenging problems, and work in a dynamic environment
U.S. citizen or national, U.S. permanent resident, or lawfully admitted refugee or asylee
Required to complete Blue’s Standard Background Check

Benefits

Comp & perks

Relocation provided
Medical, dental, and vision insurance
Basic and supplemental life insurance
Paid parental leave
Short- and long-term disability
401(k) with a company match of up to 5%
Education Support Program
Stock options for all regular employees working at least 20 hours/week
Up to four weeks of paid time off per year based on weekly scheduled hours
Up to 14 company-paid holidays
Potential eligibility for benefits and bonuses based on role type, job level, individual contributions, and company results