Engine Systems Performance & Balance Engineer II

Blue Origin LLC; Seattle (WA); On-site; USD 99,201 - 138,880; Full time

Benefits offered by this job

Medical, dental, vision insurance

Life insurance

Parental leave

401(k) with company match

Education Support Program

Stock options

Paid time off

Company holidays

Job summary

Blue Origin LLC in the Seattle area is seeking an Engines System Balance & Performance Engineer II to perform engine analyses, build models, and support testing and operation across design and development cycles.

You will develop and apply 1D fluid system models, conduct steady-state and transient analyses, and collaborate with cross-functional teams to deliver improvements and new capabilities. A BS in mechanical or aerospace engineering is required, with 2+ years of relevant experience.

Qualifications

• B.S. in mechanical or aerospace engineering required.
• 2+ years of engineering experience in fluid systems modeling.
• Experience with numerical solvers and data anchored to test data.
• Proficiency in Python, Matlab or Fortran; knowledge of ROCETS/NPSS/GFSSP or Thermal-Desktop is a plus.
• Strong fundamentals in thermodynamics, fluid mechanics, heat transfer and power systems.

Responsibilities

• Perform engine cycle balance analyses to support design, testing and operation.
• Build 1D fluid system models and off-design engine analyses.
• Support engine testing and define iterative upgrades with cross-functional teams.
• Develop analysis processes and tools using Python and Matlab.
• Collaborate with engineers to refine system models and mentor junior staff.

Skills

Modeling complex fluid systems

Numerical solvers & methods

Thermodynamics

Fluid mechanics

Power systems

Data analysis & test data anchoring

Fortran, Python or Matlab

Programming/scripting (Python/MATLAB/1

Engine system qualification & test

Agentic AI

Education

B.S. in mechanical or aerospace engineering

M.S. degree (preferred)

Tools

ROCETS

NPSS

GFSSP

Thermal-Desktop

Python

Matlab

Fortran

Job description

Blue Origin LLC in the Seattle area is seeking an Engines System Balance & Performance Engineer II to perform engine analyses, build models, and support testing and operation across design and development cycles.

You will develop and apply 1D fluid system models, conduct steady-state and transient analyses, and collaborate with cross-functional teams to deliver improvements and new capabilities. A BS in mechanical or aerospace engineering is required, with 2+ years of relevant experience.