Liquid Propulsion Engineer

The role

The Liquid Propulsion Engineer will design, develop, analyze, integrate, test, and provide production support for liquid propulsion systems and hardware. This role supports aerospace, defense, and national security applications.

What you will do

• Design, develop, and support liquid propulsion systems, components, and subsystems.
• Perform propulsion engineering analyses and trade studies.
• Develop and maintain engineering models, calculations, drawings, and technical documentation.
• Support design and development of propulsion components and fluid systems.
• Support hardware integration, component testing, subsystem testing, and hot-fire test activities.
• Analyze test data and support troubleshooting and failure investigations.
• Collaborate with multidisciplinary teams to ensure hardware meets requirements.
• Participate in design reviews, technical planning, and risk assessments.
• Support manufacturing and production by resolving technical issues and implementing design improvements.

Required qualifications

• Bachelor’s degree in Aerospace Engineering, Mechanical Engineering, Chemical Engineering, or a related engineering field with 4 years of relevant professional experience OR Master’s degree in a relate
• 4–10 years of professional experience in liquid propulsion, rocket propulsion, aerospace, defense, turbomachinery, fluid systems, or a closely related engineering discipline.
• Demonstrated experience applying engineering fundamentals to the design, analysis, development, testing, or integration of propulsion systems or complex fluid and thermal systems.
• Working knowledge of propulsion fundamentals, including fluid mechanics, thermodynamics, heat transfer, combustion, pressure systems, fluid system design, and propulsion performance.
• Experience developing engineering analyses, models, calculations, technical reports, drawings, specifications, or other engineering documentation.
• Experience supporting hardware development, integration, testing, qualification, manufacturing, or production troubleshooting in an aerospace, defense, propulsion, or other high-reliability environmen
• Ability to work effectively in a multidisciplinary engineering environment and communicate technical concepts to stakeholders.
• Ability to obtain and maintain a U.S. Security Clearance, if required.
• Ability to work in office, laboratory, manufacturing, test, and propulsion test environments.
• Ability to safely work around mechanical, fluid, pressure, thermal, and propulsion hardware.

Nice to have

• Experience with liquid rocket propulsion systems, including cryogenic or storable propellants, pressure-fed or pump-fed architectures, injectors, combustion devices, turbopumps, valves, feed systems,
• Experience with propulsion analysis and simulation tools such as MATLAB/Simulink, Python, CFD, FEA, NPSS, or similar engineering tools.
• Experience with aerospace or defense standards and qualification testing.

Benefits

• Flexible Time Off (FTO)
• Comprehensive medical, dental, and vision coverage
• Flexible, affordable gym memberships
• 401(k) retirement plan with a 50% company match on contributions up to 8%
• Company wellness programs
• Additional voluntary benefits and employee support resources

Before you apply

• Must be a U.S. Person: a US Citizen, a lawful permanent resident of the U.S., or a protected individual.
• Must be eligible to obtain any required export authorizations from the U.S. Department of State or the U.S. Department of Commerce.
• Ability to obtain and maintain a U.S. Security Clearance, if required.

About the company

Voyager is an innovative space, defense, and national security technology company committed to advancing and delivering transformative, mission-critical solutions.