Engines System Balance & Performance Engineer II

As part of a hardworking team of engineers, you will be performing analyses, completing trade studies, supporting engine testing, and in-service operations. You will work with cross-functional teams to develop innovative solutions for challenging problems across various applications. You will be responsible for engine cycle balance analysis to support design, testing and operation., * Build on 1D fluid system design models to perform detailed engine architecture studies

• Build and run steady state and transient analytic off-design models of engines and test articles
• Support engine and component level testing to ensure performance meets requirements and help define iterative upgrades
• Analyze internal fluid flow problems using advanced lumped parameter models
• Collaborate with component design engineers, chief engineers, controls analysts, and program leaders to develop and refine system models
• Develop and apply analysis processes and tools using Python and MatLab
• Work collaboratively with peers to solve problems, and provide mentorship to junior engineers, Applicants for employment at Blue Origin must be a U.S. citizen or national, U.S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.S.as a refugee or granted asylum.

Background Check

• Required for all positions: Blue’s Standard Background Check
• Required for Certain Job Profiles: Defense Biometric Identification System (DBIDS) background check if at any time the role requires one to be on a military installation
• Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs. and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training.
• Required for certain Job Profiles: Ability to obtain and maintain Merchant Mariner Credential, which includes pre-employment and random drug testing as well as DOT physical

• Minimum of a B.S. degree in mechanical or aerospace engineering
• At least 2+ years of engineering experience (level commensurate upon experience)
• Experience in modeling complex fluid systems
• Understanding of numerical solvers and methods
• Understanding of fluid components like valves, turbines, pumps, and combustors
• Strong understanding and ability to apply engineering fundamentals including thermodynamics, fluid mechanics, heat transfer, and power systems
• Familiarity with data analysis and anchoring models to test data
• Curiosity to understand engines at a component and system level
• Knowledge of Fortran, Python or Matlab

Preferred Qualifications

• M.S. degree or higher
• Knowledge of ROCETS, NPSS, GFSSP, Thermal-Desktop, or an equivalent system modeling software package
• Proficient in programming and knowledge of at least one programming/scripting language (Python/MATLAB/Fortran/etc.)
• Demonstrated experience with system or performance analysis across the lifecycle of a product or across different products
• Experience with engine system qualification, verification, and test.
• Experience with Agentic AI

life insurance, parental leave, paid time off, paid holidays, 401(k), stock options United States, Alabama, Huntsville 1100 Explorer Boulevard Northwest (Show on map) Jul 21, 2026

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 Blue Origin Engines business unit, where our focus is the design, development, manufacturing, and testing of engines and propulsion systems. Built for multiple uses, our family of engines is powering the next generation of rockets for commercial, civil, national security, and human spaceflight., * 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.