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Propulsion Design Engineer Jobs (NOW HIRING)

Firefly Aerospace

Test Engineer IV (Propulsion)

TX · On-site

Collaborate with propulsion design engineers, systems engineers, and technicians to resolve technical issues and optimize test operations * Support design reviews and provide test operations input to ...

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Propulsion Design Engineer information

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$71K

$120.2K

$178.5K

How much do propulsion design engineer jobs pay per year?

As of Jun 20, 2026, the average yearly pay for propulsion design engineer in the United States is $120,241.00, according to ZipRecruiter salary data. Most workers in this role earn between $100,000.00 and $137,500.00 per year, depending on experience, location, and employer.

Is propulsion engineer a good career?

Propulsion design engineers develop and improve propulsion systems for aerospace and automotive applications, often requiring strong skills in thermodynamics, fluid mechanics, and CAD tools. The field offers opportunities in research, development, and manufacturing, with a demand for specialized technical knowledge and often requiring a bachelor's or master's degree in engineering. It can be a rewarding career for those interested in advanced engineering and innovation, with job stability in industries like aerospace, defense, and transportation.

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

To thrive as a Propulsion Design Engineer, you need a solid background in mechanical or aerospace engineering, strong analytical skills, and experience with propulsion system design principles. Familiarity with CAD software (such as CATIA or SolidWorks), finite element analysis tools, and propulsion modeling programs, along with relevant certifications like a Professional Engineer (PE) license, is highly beneficial. Strong problem-solving abilities, teamwork, and effective communication are vital soft skills in this role. These competencies ensure innovative, safe, and efficient propulsion solutions that meet rigorous industry standards and project requirements.

How does a Propulsion Design Engineer typically collaborate with other teams during the development process?

Propulsion Design Engineers work closely with multidisciplinary teams, including aerodynamics, systems engineering, manufacturing, and testing groups. Regular cross-functional meetings and design reviews are common to ensure that propulsion systems are integrated seamlessly with the overall vehicle design. Effective communication is key, as engineers must translate complex technical requirements and address feedback from various stakeholders to meet project goals and timelines.

What is a propulsion design engineer?

A propulsion design engineer develops and tests propulsion systems for vehicles such as rockets, aircraft, or spacecraft. They use engineering principles, computer-aided design (CAD) tools, and simulations to create efficient and reliable propulsion components, often working in aerospace or defense industries. Strong knowledge of thermodynamics, fluid dynamics, and materials science is essential for this role.

Can I make 200k as an aerospace engineer?

Propulsion Design Engineers in aerospace often earn salaries approaching or exceeding $200,000 annually, especially with advanced experience, specialized skills, and working in high-cost-of-living regions or for major aerospace companies. Factors such as years of experience, certifications, and the complexity of projects influence earning potential, with senior roles and those in leadership positions more likely to reach this level.

What does a Propulsion Design Engineer do?

A Propulsion Design Engineer is responsible for designing, analyzing, and testing propulsion systems, such as engines or thrusters, used in vehicles like aircraft, spacecraft, rockets, or automobiles. Their work involves selecting appropriate materials, creating detailed designs, and ensuring systems meet performance, safety, and regulatory standards. They collaborate with other engineering teams to integrate propulsion systems into larger vehicles and may also troubleshoot and improve existing designs. This role requires strong knowledge in thermodynamics, fluid dynamics, and mechanical engineering principles.

What is the salary of a propulsion engineer?

The salary of a propulsion design engineer typically ranges from $80,000 to $130,000 annually, depending on experience, education, and location. Senior engineers with specialized skills or working in high-cost areas can earn higher compensation, often exceeding $150,000. Industry certifications and proficiency with simulation tools like CFD can also influence salary levels.

What is the difference between Propulsion Design Engineer vs Mechanical Engineer?

AspectPropulsion Design EngineerMechanical Engineer
Required CredentialsBachelor's or Master's in Aerospace, Mechanical, or Propulsion EngineeringBachelor's or Master's in Mechanical Engineering or related field
Work EnvironmentAircraft, spacecraft, or missile propulsion systems developmentVarious industries including automotive, manufacturing, aerospace
Employer & Industry UsagePrimarily aerospace, defense, space agenciesBroad industry use across manufacturing, automotive, energy

Propulsion Design Engineers specialize in designing and developing propulsion systems for aerospace and space applications, focusing on propulsion-specific challenges. Mechanical Engineers have a broader scope, working on various mechanical systems across industries. While both roles require strong engineering fundamentals, Propulsion Design Engineers focus more on propulsion-specific knowledge and applications.

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Propulsion Design Engineer jobs near you
Infographic showing various Propulsion Design Engineer job openings in the United States as of June 2026, with employment types broken down into 80% Full Time, 18% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $120,241 per year, or $57.8 per hour.
Senior Engineer, Propulsion Systems

Senior Engineer, Propulsion Systems

Ursa Major

Berthoud, CO • Hybrid

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 8 days ago

Job description

The future of aerospace and defense starts here.


Ursa Major was founded to revolutionize how America and its allies access and apply high-performance propulsion, from hypersonics to solid rocket motors, satellite maneuvering and launch. We design and deliver propulsion and defense systems that solve the most urgent and critical national security demands.

Ursa Major is seeking a Senior Engineer, Propulsion Systems to support the technical definition, integration, and execution of propulsion systems for hypersonic vehicles.

Ursa Major's teams move fast and does a lot with little. We are looking for a skilled, fast learning individual who will serve as a central member of member of the team and take immediate ownership of their system as a responsible engineer. This role sits at the intersection of propulsion design, vehicle integration, systems engineering, and test, with ownership from early concept through flight demonstration and production transition.

The ideal candidate brings deep propulsion experience, strong systems thinking, and the ability to drive technical decisions in fast-paced, hardware-centric programs.

This role is available to work as a hybrid (2-days per week remote) or on-site role out of our Berthoud, Colorado office.

Key Responsibilities

  • Clean sheet design and analysis of fluid & mechanical vehicle components including tanks, feed systems, propellant management, and fluid systems
  • Support rapid development cycles of new designs and changing requirements including testing, data analysis and hands-on hardware work
  • Design modifications of existing components and prototypes to increase performance, improve manufacturability or resolve limitations
  • Collaborate with the manufacturing, analysis, and test teams to reduce part-to-part variation and discrepancies
  • Assemble and test first article prototypes
  • Lead propulsion subsystem architecture and requirements definition for hypersonic vehicles
  • Own subsystem-level propulsion trades, performance margins, and integration decisions
  • Serve as the technical authority for propulsion interfaces with vehicle structures, thermal, avionics, GNC, and mission engineering
  • Develop and manage propulsion requirements, verification plans, and compliance evidence
  • Collaborate closely with vehicle and systems engineers to ensure mission and performance alignment
  • Support ground test and flight test planning, execution, and post-test data analysis
  • Identify propulsion system risks and drive mitigation strategies across design, manufacturing, and test
  • Provide technical leadership and mentorship to early- and mid-career engineers
  • Support customer technical reviews, design reviews, and technical interchange meetings
  • Contribute to proposal development, including technical approaches, architectures, and risk posture

Required Qualifications

  • Bachelor's degree in Aerospace Engineering, Mechanical Engineering, or related field
  • 8+ years of experience in propulsion systems engineering or propulsion-focused vehicle development
  • Demonstrated experience supporting hypersonic, missile, or high-performance aerospace vehicles
  • Strong understanding of:
    • Propulsion system architecture and integration
    • Vehicle-level performance and propulsion impacts
    • Requirements development and verification
  • Experience working across disciplines in a systems engineering environment
  • Demonstrated proficiency with computer aided design and drafting
  • Experience with geometric dimensioning and tolerancing per ASME Y14.5
  • Working knowledge of and hands-on experience with fluid, mechanical, and electrical systems
  • Strong understanding of industry standards and requirements
  • Desire to take ownership and help wherever needed on the team
  • Able to delegate tasks and lead large project scope
  • Ability to work in a fast-paced environment and stay flexible based on customer demands and company priorities along with daily firefighting
  • Ability to make sound technical decisions under schedule and performance pressure
  • Strong written and verbal communication skills
  • Ability to obtain and maintain a U.S. Security Clearance

Preferred Qualifications

  • Master's degree in Aerospace Engineering or related field
  • Experience with hypersonic propulsion architectures (e.g., SRM, liquid rocket, advanced boost systems)
  • Experience supporting flight test or demonstration programs
  • Familiarity with thermal, structural, and aero integration challenges in hypersonic regimes
  • Experience in design and analysis of fluids systems
  • Experience operating in ISO 9001 or AS9100 certified organizations
  • Experience with SMC-S-016 Test Requirements
  • Demonstrated proficiency with fundamental manual or CNC machining equipment and processes (milling, turning)
  • Experience with fluids, structural and thermal analysis using Ansys software
  • 3+ years of PTC Creo or Siemens NX CAD programs and Windchill PLM software
  • Liquid propellant rocket engine design, test, or analysis
  • Experience with model-based systems engineering (MBSE) or digital engineering tools
  • Prior experience serving as a technical lead or subsystem owner

Colorado law requires us to tell you the base compensation range of this role, which is $125,000 - $150,000, determined by your education, experience, knowledge, skills, and abilities. What we can't quantify for you are the exciting challenges, supportive team, and amazing culture we enjoy.

Classification: Full-time Exempt.

Benefits Include: (Please note, Interns are not eligible for benefits)

  • Unlimited PTO - Vacation, Sick, Personal, and Bereavement
  • Paid Parental and Adoptive Leave
  • Medical, Dental and Vision Insurance
  • Tax Advantage Accounts (HSA/FSA)
  • Employer Paid Short and Long Term Disability, Basic Life, AD&D
  • Additional Benefit Options Including Voluntary Life and Emergency Medical Transport
  • EAP Program
  • Retirement Savings Plan - 401k with Company Match
  • Equity Grants in the Company

How To Apply:
Interested candidates are encouraged to apply by filling out the application below and clicking "Submit Application". This position will be posted for a minimum of 3 days and will remain open until filled or adjusted based on the volume of applicants.

NOTE: Research suggests that women and BIPOC individuals may self-select out of opportunities if they don't meet 100% of the job requirements. We encourage anyone who believes they have the skills and the drive necessary to succeed here to apply for this role.
Must be a U.S. Person (this includes U.S. Citizens and Permanent Residents).
Eligibility to obtain and maintain a U.S. Security Clearance.
We're an equal-opportunity employer. You will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.
No outside recruiters, please.