Senior Thermal & Fluids Engineer – Spaceflight Systems

Blue Origin LLC; Seattle (WA); On-site; USD 121,000 - 169,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Paid time off

Education Support Program

Job summary

Blue Origin is seeking an experienced engineer to perform thermal and fluids analysis for upper-stage spaceflight systems. You will define hardware requirements, run models, and verify environments across flight phases, ensuring reliability and safety.

The role emphasizes documentation, cross-disciplinary collaboration, and lifecycle support, with opportunities to lead analysis efforts. Qualifying candidates have a BS in Mechanical or Aerospace Engineering and 5+ years in thermal analysis; MS

Qualifications

• Bachelor of Science in Mechanical or Aerospace Engineering required.
• 5+ years of thermal/thermodynamic analysis experience.
• Experience with modeling tools such as ANSYS Workbench, SINDA/FLUINT, Thermal Desktop.
• U.S. citizen, permanent resident, or eligible to work in the U.S.
• Desirable MS degree and 10+ years of experience.
• Experience with launch vehicle and cryogenic systems is a plus.

Responsibilities

• Perform thermal and fluids analysis for upper-stage spaceflight systems.
• Define hardware requirements and resolve technical challenges.
• Develop and verify thermal/fluids environments and performance requirements.
• Generate and run models to predict system performance across environments.
• Document analysis inputs, models, and results in reports and data books.
• Support production, testing, and mission operations throughout lifecycle.

Skills

Thermal analysis

Fluid analysis

ANSYS Workbench

SINDA/FLUINT

Thermal Desktop

FloCAD

MATLAB

Leadership

Education

Bachelor's degree in Mechanical or Aerospace Engineering

MS degree (desired)

Tools

ANSYS Workbench

ANSYS Classic

SINDA/FLUINT

Thermal Desktop

FloCAD

MATLAB

Job description

Blue Origin is seeking an experienced engineer to perform thermal and fluids analysis for upper-stage spaceflight systems. You will define hardware requirements, run models, and verify environments across flight phases, ensuring reliability and safety.

The role emphasizes documentation, cross-disciplinary collaboration, and lifecycle support, with opportunities to lead analysis efforts. Qualifying candidates have a BS in Mechanical or Aerospace Engineering and 5+ years in thermal analysis; MS