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Propulsion Engineering Jobs (NOW HIRING)

Aetherflux

Propulsion Engineering

Seattle, WA · On-site

Propulsion Engineering Cowboy Space Corp. is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class ...

Firefly Aerospace

Director, Propulsion Engineering

TX · On-site

The scope of the propulsion engineering department spans launch vehicle engines, spacecraft propulsion, vehicle fluid systems, valve design, and propulsion analysis teams. Responsibilities * Set and ...

KBR

Propulsion Engineer

Warner Robins, GA · On-site

Develop engineering recommendations for system upgrades, modifications, and sustainment improvements * Prepare propulsion engineering reports, technical briefings, and engineering change proposals ...

KBR, Inc.

Propulsion Engineer

Warner Robins, GA · On-site

Develop engineering recommendations for system upgrades, modifications, and sustainment improvements * Prepare propulsion engineering reports, technical briefings, and engineering change proposals ...

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Propulsion Engineering information

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$41K

$102.8K

$167.5K

How much do propulsion engineering jobs pay per year?

As of Jun 26, 2026, the average yearly pay for propulsion engineering in the United States is $102,825.00, according to ZipRecruiter salary data. Most workers in this role earn between $82,500.00 and $118,000.00 per year, depending on experience, location, and employer.

What is the difference between Propulsion Engineering vs Mechanical Engineering?

AspectPropulsion EngineeringMechanical Engineering
Required CredentialsBachelor's or Master's in Aerospace, Mechanical, or Propulsion Engineering; certifications like PE (Professional Engineer) are commonBachelor's or Master's in Mechanical Engineering; PE certification is also common
Work EnvironmentDesign, develop, and test propulsion systems for aircraft, spacecraft, or missilesDesign, analyze, and manufacture mechanical systems across various industries
Industry UsagePrimarily aerospace, defense, and space industriesBroad industry use including automotive, manufacturing, energy, and aerospace

Propulsion Engineering focuses specifically on propulsion systems for aerospace and defense applications, requiring specialized knowledge of fluid dynamics and thermodynamics. Mechanical Engineering offers a broader scope, covering various mechanical systems across multiple industries. While both roles share foundational engineering principles and certifications, Propulsion Engineers specialize in propulsion technologies, making their work more niche within the engineering field.

What is propulsion engineering?

Propulsion engineering is a specialized field of engineering focused on the design, development, testing, and maintenance of systems that move vehicles or objects by generating thrust. This can include propulsion systems for aircraft, rockets, spacecraft, ships, and even some land vehicles. Propulsion engineers work with various technologies such as jet engines, rocket motors, and other power plants, ensuring they operate efficiently and safely. The discipline combines principles from mechanical, aerospace, and electrical engineering to create reliable propulsion solutions.

What are the key skills and qualifications needed to thrive as a Propulsion Engineer, and why are they important?

To thrive as a Propulsion Engineer, a solid background in mechanical or aerospace engineering, strong analytical skills, and familiarity with thermodynamics and fluid mechanics are essential, often requiring at least a bachelor's degree in engineering. Hands-on experience with CAD software, propulsion simulation tools like ANSYS or MATLAB, and knowledge of industry standards or certifications (e.g., ASME) are typically needed. Excellent problem-solving abilities, teamwork, and effective communication help propulsion engineers collaborate on complex projects and communicate technical ideas clearly. These skills are vital for designing reliable and efficient propulsion systems that meet safety, performance, and regulatory standards.

What are some common challenges propulsion engineers face when working on new engine designs?

Propulsion engineers often encounter challenges such as balancing performance requirements with strict safety and environmental regulations, integrating new materials or technologies, and optimizing efficiency while minimizing costs. Collaboration with multidisciplinary teams, including aerodynamics, materials science, and control systems, is essential to address these complexities. Additionally, propulsion engineers must stay adaptable to fast-paced project timelines and frequent design iterations, making effective communication and problem-solving skills crucial.
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Propulsion Engineering jobs near you

Propulsion Engineering

Aetherflux

Seattle, WA • On-site

Full-time

Dental, Vision, Retirement, PTO

Posted 15 days ago

Job description

Propulsion Engineering
Cowboy Space Corp. is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit compute to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth.
Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Cowboy Space Corp. is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure.
About the Role:
We are hiring across multiple propulsion disciplines and are looking for engineers with experience designing, analyzing, building, testing, or integrating propulsion systems for aerospace applications.
This is a broad opportunity for propulsion engineers who thrive in highly technical, hands-on environments and want meaningful ownership over flight-critical hardware.
Responsibilities:
  • We are hiring across multiple propulsion disciplines and are looking for engineers with experience designing, analyzing, building, testing, or integrating propulsion systems for aerospace applications.
    This is a broad opportunity for propulsion engineers who thrive in highly technical, hands-on environments and want meaningful ownership over flight-critical hardware.
    Depending on background and experience, engineers may work across:
    • Propulsion system architecture
    • Fluid systems
    • Combustion and thermal analysis
    • Pressurized systems
    • Test infrastructure and operations
    • Integration and qualification testing
    • Feed systems, valves, regulators, and tanks
    • Engine controls and embedded systems
    • Ground support equipment (GSE)

Basic Qualifications:
  • We are interested in engineers with experience in areas such as:
    • Rocket propulsion
    • Satellite propulsion
    • Fluid systems engineering
    • Cryogenic systems
    • Thermal systems
    • Test engineering
    • GNC/controls related to propulsion
    • High-pressure or harsh-environment systems

Preferred Qualifications:
  • BS, MS, or PhD in Aerospace Engineering, Mechanical Engineering, or related field
  • Experience designing or supporting propulsion or fluid-based systems
  • Strong analytical and problem-solving skills
  • CAD, analysis, testing, or integration experience relevant to propulsion hardware

Compensation and Benefits
  • Equity in Cowboy Space Corp.
  • Employees and their eligible dependents may enroll in medical, dental, and vision insurance
  • 401(k) retirement savings plan
  • Paid time off
  • 10 paid holidays per calendar year
  • Paid parental leave
  • Relocation assistance if applicable
  • Daily lunch in the office and a fully stocked kitchen with beverages and snacks

ITAR Requirements
  • Export Control Requirement: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), applicants must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Learn more about ITAR here.

Disclaimer
This job description is a summary of the primary duties and responsibilities of the job and position. It is not intended to be a comprehensive or all-inclusive listing of duties and responsibilities. Contents are subject to change at Cowboy Space Corp.'s discretion.
Cowboy Space Corp. is an equal employment opportunity employer. We consider individuals for employment or promotion according to their skills, abilities and experience. Cowboy Space Corp. is committed to complying with all applicable laws prohibiting discrimination based on race, color, religious creed, age, national origin, ancestry, physical, mental or developmental disability, sex (which includes pregnancy, childbirth, breastfeeding and medical conditions relating to pregnancy, childbirth or breastfeeding), veteran status, military status, marital or registered domestic partnership status, medical condition (including cancer or genetic characteristics), genetic information, gender, gender identity, gender expression, sexual orientation, as well as any other category protected by federal, state or local laws.

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