Engines System Balance & Performance Engineer II

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

Benefits offered by this job

Relocation provided

Travel up to 10%

Job summary

Blue Origin seeks engineers to advance engine fluid systems through modeling and testing. You will build 1D and off-design models, analyze performance, and support engine testing and upgrades.

Collaborate with design and controls teams to refine models, apply Python/MATLAB tools, and mentor junior engineers. This role is based in Washington state and may involve relocation and travel.

Qualifications

• Minimum B.S. in mechanical or aerospace engineering.
• 2+ years engineering experience; fluid-system modeling experience preferred.
• Familiar with data analysis and anchoring models to test data.

Responsibilities

• Build 1D fluid system models for engine architecture studies.
• Run steady-state and transient models for engines/test articles.
• Support testing and define iterative upgrades to meet requirements.
• Collaborate with design engineers and program leaders on system models.
• Develop analysis processes using Python and MATLAB.
• Mentor junior engineers and share problem-solving approaches.

Skills

Fluid modeling

Numerical methods

Data analysis

Python/Matlab/Fortran

Education

B.S. in mechanical or aerospace engineering

2+ years engineering experience

Tools

ROCETS

NPSS

GFSSP

Thermal-Desktop

Job description

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.

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.

Special Mentions

• Relocation provided
• Travel expected up to 10% of the time

Responsibilities include but are not limited to

• 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

Minimum Qualifications

• 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

Base Pay Range for

WA applicants is $99,201.00 - $138,880.35

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.

Export Control Regulations

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

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.

Equal Employment Opportunity

Blue Origin is proud to be an Equal Opportunity/Affirmative Action Employer and is committed to attracting, retaining, and developing a highly qualified and dedicated work force. Blue Origin hires and promotes people on the basis of their qualifications, performance, and abilities. We support the establishment and maintenance of a workplace that fosters trust, equality, and teamwork. We provide all qualified applicants for employment and employees with equal opportunities for hire, promotion, and other terms and conditions of employment, regardless of their race, color, religion, sex, sexual orientation, gender identity, national origin/ethnicity, age, physical or mental disability, genetic factors, military/veteran status, or any other status or characteristic protected by federal, state, and/or local law. Blue Origin will consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state, and local laws, including the Washington Fair Chance Act, the California Fair Chance Act, the Los Angeles Fair Chance in Hiring Ordinance, and other applicable laws. For more information on "Know Your Rights," please see here.

Affirmative Action and Disability Accommodation

Applicants wishing to receive information on Blue Origin's affirmative action plans, or applicants requiring a reasonable accommodation in order to participate in the application and/or interview process, please contact us at [e-mail]. Please note this is a publicly managed inbox. Please do not include any personal medical information in your request.