We’re working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. This role is part of Advanced Concepts and Enterprise Engineering (ACE), supporting Blue Origin’s mission of millions of people living and working in space for the benefit of Earth. The team fosters innovation and drives engineering workflows of the future, shared solutions and standards, simplicity and lower costs, and manufacturable design. As a Senior Propulsion Engineer, you will be a key technical owner responsible for the design, development, and integration of the propulsion system for a constellation of spacecraft. You will lead the analysis and trade studies of various propulsion systems, to deliver a solution that meets our specific mission requirements. Own the design and development of the propulsion system, including flow control and propellant supply, leading the effort to architect, size, and optimize it for our mission application. Perform trade studies and analysis on various propulsion technologies to inform design decisions and future upgrades. Develop and manage the system requirements and interface control documents for the propulsion system, ensuring compatibility with power, thermal, structural, and propellant subsystems. Create and maintain detailed performance models to predict on‑orbit behavior, including thrust, specific impulse, and total impulse. Define and oversee the execution of test plans to verify and validate the performance and lifetime of the propulsion system and its components. Support procurement, design, manufacturing, test and/or integration of propulsion system hardware, including thrusters, Power Processing Units (PPUs), and propellant feed systems. Analyze test data and anchor system models to ensure predictive accuracy.



Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Physics, or a related discipline. ~7+ years of skilled experience in the design, analysis, or testing of spacecraft propulsion systems. ~ Demonstrated experience with electric propulsion systems, including testing and/or flight experience. ~ D. in a relevant engineering or physics discipline. Experience with vacuum chamber testing of electric propulsion systems. Python, MATLAB) for performance modeling and data analysis. Familiarity with the design of Power Processing Units (PPUs) and propellant feed systems. Other site ranges may differ 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. Export Control Regulations S. citizen or national, U.
S. permanent resident (i.e. current Green Card holder), or lawfully admitted into the U.
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, 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 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. 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. 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

📌 Sr. Propulsion Engineer, Project Sunrise Orbital Data Centers (Quinte West)
🏢 Blue Origin
📍 Quinte West