Agile Space Industries

Staff Propulsion Engineer

Agile Space Industries$144K — $200K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • M.S. or higher degree in a relevant engineering field or equivalent professional experience.
  • 12+ years of experience in propulsion systems development.
  • Strong background in fluid dynamics, thermodynamics, heat transfer, and combustion.
  • Expertise in fuel film cooling and regenerative cooling in bipropellant engines.
  • Familiar with performance modeling tools like TDK or similar JANNAF compliant tools.
  • Experience in valve selection for various chemical propulsion applications.
  • Proven track record of delivering hypergolic propulsion systems from concept to production.

Responsibilities

  • Lead the design and development of hypergolic propulsion systems and components.
  • Establish architecture and design injectors based on operational requirements.
  • Design and layout combustion devices for storable propellant rocket engines.
  • Conduct trade studies to balance thermal restrictions and performance requirements.
  • Collaborate with suppliers to select appropriate valves for propellant control.
  • Perform system-level trade studies, modeling, and simulation to optimize performance.
  • Own hypergolic propulsion hardware throughout concept, design, analysis, and testing.

Benefits

  • Generous health coverage including dental and vision plans.
  • Flexible Time Off to support work-life balance.
  • Parental leave to support family needs.
  • 401(k) plan with 100% company match up to 4%.
Full Job Description
Job Type

Full-time

Description

This is an onsite role based in Durango, Colorado. Durango offers a rare combination of meaningful aerospace work and exceptional quality of life, with access to world-class skiing, mountain biking, hiking, fishing, rafting, and a vibrant mountain-town community. Relocation assistance is available for qualified candidates.

Agile is seeking an experienced Staff Propulsion Design Engineer who will lead the design, development, and optimization of propulsion components and systems. This role requires deep technical expertise, cross-functional leadership, and the ability to drive Agile's propulsion devices from concept through production. The ideal candidate for this role will also be able to interpret hot-fire test data and drive design modification as well as provide technical guidance to junior engineers on sound design practices. Agile follows a fast-paced culture and the ideal candidate will have the opportunity for growth and increased sphere of influence as a technical leader. Critical skillsets being sought after are expertise in heat transfer, fluid dynamics, rocket propulsion, spacecraft system architecture.

Responsibilities:
  • Own hypergolic propulsion hardware from concept, detailed design, analysis, prototyping, testing, and production support.
  • Lead the design and development of liquid propulsion systems and combustion devices, including engines, injectors, chambers, and propellant feed systems.
  • Provide technical mentorship to junior engineers and contribute to Agile's long-term propulsion technology roadmap.
  • Lead root cause investigations and implement corrective actions for design and test issues.
  • Prepare and review engineering documentation, requirements, specifications, and major design review packages (SRR, PDR, CDR, etc.).
  • Collaborate closely with structures, thermal, manufacturing, quality, and test teams to drive integrated solutions.
  • Support hot-fire test campaigns, including planning, execution, data analysis, and design iteration.
  • Perform system-level trade studies, performance modeling, and design optimization focused on performance, reliability, manufacturability, and thermal stability.


Requirements

Staff Level
  • B.S. or higher degree in Mechanical Engineering, Aerospace Engineering, or a related technical field. Equivalent experience may be considered.
  • 12+ years of experience developing propulsion systems or related aerospace hardware.
  • Strong background in fluid dynamics, thermodynamics, heat transfer, and combustion.
  • Experience designing liquid propulsion components and systems.
  • Experience supporting propulsion testing and interpreting test data.
  • Experience using CAD software such as SolidWorks.
  • Demonstrated ability to own hardware development from concept through testing.

Senior Staff Level
  • All qualifications listed above, plus:
  • Demonstrated technical leadership across complex propulsion development efforts.
  • Experience leading propulsion architecture trades and major design decisions.
  • Proven track record delivering propulsion hardware through qualification and production.
  • Experience mentoring engineers and reviewing technical work products.
  • Ability to lead cross-functional teams through technical challenges and ambiguity.

Principal Level
  • All qualifications listed above, plus:
  • Recognized subject matter expertise in propulsion system design and development.
  • Experience defining propulsion technology roadmaps, system architectures, or strategic technical direction.
  • Proven record of leading large-scale propulsion programs or highly complex technical efforts.
  • Ability to influence organizational technical direction and mentor senior engineers.
  • Experience serving as a primary technical authority during customer engagements and major design reviews.

Preferred Qualifications:
  • Experience with chemical rocket propulsion systems.
  • Familiarity with CFD, FEA, and propulsion system modeling tools (e.g., ANSYS, MATLAB/Simulink) to understand analysis results.
  • Knowledge of manufacturing processes such as additive manufacturing, machining, and casting
  • Experience working in regulated industries (e.g., aerospace, defense).
  • Knowledge of combustion instabilities.
  • Prior technical leadership, project ownership and/or people management experience.

This position is open across multiple levels (Staff, Senior Staff, & Principal). Final leveling will be determined based on the candidate's experience, skills, and overall qualifications during the interview process.

Physical Requirements: Prolonged periods of sitting at a desk and working on a computer

Employment Type: Exempt

Work Schedule: Full-Time

Relocation Stipend

Salary: The expected salary range for this role is $144,000 - $200,000 annually. Final compensation will be based on factors such as experience, skills, and internal equity, and is typically made within the midrange, rather than the upper end. The posted salary band reflects the compensation range for candidates located in Colorado, in compliance with Colorado state law. If you are located in another state, please contact HR to inquire about the applicable compensation band, as requirements may vary by jurisdiction.

Posting Timeline: This position will remain open for a minimum of five (5) days and will continue to accept applications until the role is filled. Early applications are encouraged, as reviews and interviews may begin during the posting period.

Onsite #LI-Onsite

What You'll Love About Us: Agile Space Industries offers exceptional benefits to support you and your family including generous health coverage, dental and vision plans, Flexible Time Off, parental leave, and a 401(k) with 100% company match up to 4%.

Disclaimer: Agile is proud to offer a competitive benefits package to support our team members as they take on challenging, mission-driven work. The benefits listed in this job description are applicable to full-time employees. Part-time, temporary, or other non-full-time employees may have different benefit eligibility in accordance with company policy and applicable plan terms.

Don't meet every single requirement? At Agile, we are committed to fostering a diverse, inclusive, and authentic workplace. If you're excited about this role but your experience doesn't perfectly align with every qualification, we encourage you to apply anyway. You might be the perfect fit for this role or another opportunity with us.

Recruitment Notice: Agile Space Industries is not partnering with external recruiters or agencies at this time. Please do not contact our staff directly regarding open positions. All candidates must apply through our official application process to be considered.

Salary Description

$144,000 - $200,000

About Agile Space Industries

Agile Space Industries is a company that specializes in the development of propulsion systems for small satellites. The company was founded in 2009 and is headquartered in Fullerton, California. Agile Space Industries is focused on developing innovative propulsion solutions that enable small satellites to perform complex missions. The company's products include electric propulsion systems, chemical propulsion systems, and hybrid propulsion systems. Agile Space Industries has a team of experienced engineers and scientists who are dedicated to advancing the state of the art in small satellite propulsion.
Learn more about Agile Space Industries
Size
50 employees
Industry
Net Income
-$1 million
Founded
2009
5 Year Trend
+20%
Revenue
$5 million

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