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Propulsion Systems Engineer Jobs (NOW HIRING)

Busek

Space Propulsion Systems Engineer

Natick, MA · On-site

$90K - $150K/yr

As a Space Propulsion Systems Engineer at Busek, you will own the requirements baseline that drives propulsion system design and ensure mission needs are met through structured verification and ...

Busek Co Inc

Space Propulsion Systems Engineer

Natick, MA · On-site

$90K - $150K/yr

As a Space Propulsion Systems Engineer at Busek, you will own the requirements baseline that drives propulsion system design and ensure mission needs are met through structured verification and ...

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How much do propulsion systems engineer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for propulsion systems engineer in the United States is $122,519.00, according to ZipRecruiter salary data. Most workers in this role earn between $99,000.00 and $147,000.00 per year, depending on experience, location, and employer.

What are some typical challenges faced by Propulsion Systems Engineers when working on multi-disciplinary teams?

Propulsion Systems Engineers often collaborate with specialists in aerodynamics, structures, controls, and manufacturing, which can present challenges in aligning requirements and timelines across disciplines. Effective communication and a strong understanding of interdependencies are crucial to ensure propulsion components integrate seamlessly with the overall vehicle. Engineers may need to balance performance goals with constraints such as weight, cost, and manufacturability, requiring adaptability and problem-solving skills. Building strong relationships with colleagues in other departments can greatly facilitate project success and personal growth.

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

To thrive as a Propulsion Systems Engineer, you need a strong background in mechanical or aerospace engineering, fluid dynamics, and thermodynamics, usually supported by a relevant engineering degree. Familiarity with propulsion modeling software (such as MATLAB, ANSYS, or Simulink), CAD systems, and industry certifications like EIT or PE are commonly required. Strong analytical thinking, attention to detail, and effective teamwork and communication skills make candidates stand out in this role. These skills are crucial for designing, analyzing, and optimizing propulsion systems that meet safety, efficiency, and performance standards in demanding engineering environments.

What does a Propulsion Systems Engineer do?

A Propulsion Systems Engineer designs, analyzes, and tests systems that provide thrust for vehicles such as rockets, airplanes, and spacecraft. Their work involves selecting and integrating engines, fuel systems, and related components to ensure efficient and reliable propulsion. They collaborate with multidisciplinary teams to optimize performance, address technical challenges, and meet safety and regulatory standards. This role requires a strong understanding of thermodynamics, fluid dynamics, and materials science.

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

AspectPropulsion Systems EngineerMechanical Engineer
Required CredentialsBachelor's or Master's in Aerospace, Mechanical, or Propulsion Engineering; certifications varyBachelor's or Master's in Mechanical Engineering; professional licensure optional
Work EnvironmentDesign, develop, and test propulsion systems for aerospace or automotive industriesDesign, analyze, and manufacture mechanical systems across various industries
Industry UsagePrimarily aerospace, defense, and space sectorsBroadly used across manufacturing, automotive, energy, and aerospace

Propulsion Systems Engineers focus on designing and testing propulsion components for aerospace and space applications, requiring specialized knowledge in propulsion systems. Mechanical Engineers have a broader scope, working on various mechanical systems across multiple industries. While both roles require engineering degrees, Propulsion Systems Engineers often need specific aerospace or propulsion certifications, making their expertise more specialized in propulsion technology.

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Propulsion Systems Engineer jobs near you
Infographic showing various Propulsion Systems Engineer job openings in the United States as of July 2026, with employment types broken down into 96% Full Time, 1% Part Time, and 3% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $122,519 per year, or $58.9 per hour.

Space Propulsion Systems Engineer

Busek

Natick, MA • On-site

$90K - $150K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 19 days ago

Job description

About Busek:

Busek is a world leader in aerospace propulsion, developing advanced in-space electric propulsion systems for some of the most ambitious space missions. We are seeking a Space Propulsion Systems Engineer to manage the system-level engineering of propulsion programs from concept through flight delivery.

As a Space Propulsion Systems Engineer at Busek, you will own the requirements baseline that drives propulsion system design and ensure mission needs are met through structured verification and validation. You will work across mechanical, electrical, thermal, fluidic, software, manufacturing, and test disciplines to integrate solutions that meet customer expectations. You will engage directly with customers, drive technical deliverables to completion, and lead design reviews that define program success. By combining propulsion knowledge with systems engineering rigor, you will help deliver some of the most advanced space propulsion technologies to orbit.

How you will make an impact:

  • Manage propulsion system and subsystem requirements from definition through verification and flight delivery.
  • Develop verification plans and identify artifacts to demonstrate compliance with customer and mission requirements.
  • Perform system-level analyses, including reliability (FMECA), propellant gauging, and mass/power budgeting, to support design and decision-making.
  • Account for cross-disciplinary considerations, including mechanical, thermal, electrical, fluidic, software, manufacturing, and test requirements, during design and integration.
  • Define program scope and contribute to planning and execution of propulsion development efforts.
  • Lead major design reviews, including PDR and CDR, and present technical progress to internal teams and customers.
  • Serve as the primary technical interface with customers, ensuring contractual technical deliverables are met.
  • Collaborate across engineering teams to resolve technical issues and ensure mission success.

Required Experience:

  • Degree in Aerospace Engineering, Mechanical Engineering, Electrical, Systems Engineering, or related field.
  • Strong foundation in systems engineering principles.
  • Experience managing requirements, verification planning, and system integration activities.
  • Fundamental knowledge of core mechanical, thermal, electrical, fluids, and software principles.
  • Ability to work with multidisciplinary engineering teams and communicate effectively with customers.
  • Strong technical documentation and presentation skills.
  • Highly organized with the ability to manage multiple tasks and track complex program information.
  • Proficiency with Microsoft Office products (Word, Excel, PowerPoint, etc.) for documentation, analysis, and reporting.

Desired Experience:

  • Knowledge of spacecraft mission design.
  • Familiarity with aerospace industry standards and spaceflight qualification practices (NASA, DoD, ESA, ECSS).
  • Experience with electric or chemical propulsion system design, integration, or testing.
  • Background in reliability engineering and system safety practices, including FMECA and PFMEA/DFMEA.
  • Experience contributing to or leading PDR, CDR, or similar technical reviews.
  • Familiarity with spacecraft subsystems and their interactions (thermal, power, structures, fluids, software).
  • Prior experience supporting or managing complex aerospace or spaceflight programs.
  • Familiarity with spacecraft subsystem interfaces (mechanical, thermal, electrical, software).
  • Familiarity with risk identification and mitigation in complex engineering programs.
The expected salary range for this position is $90,000 - $150,000. Actual compensation will be determined by the candidate’s experience, education, and alignment with organizational needs. 

Requirements:

  • U.S. citizen, permanent resident, or protected individual.
  • Ability to obtain a security clearance (up to TS/SCI).

Benefits:

  • 401K, performance bonuses, medical/dental/vision insurance, life insurance, paid vacation, and more.
U.S. Citizenship Requirement
Due to the nature of work performed under U.S. government contracts and applicable security and contractual requirements, this position is limited to U.S. citizens.
 

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