Propulsion Engineer II

Quantum Space•Rockville, MD

About The Position

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. We are seeking an Engineer II – Propulsion to contribute to the development of propellant tanks, pumps, and novel spacecraft propulsion systems. This role is ideal for an engineer with several years of experience developing propulsion hardware and systems for demanding aerospace applications. You will work closely with propulsion, mechanical, systems, manufacturing, test, and flight operations teams to develop, qualify, integrate, and support flight propulsion systems. This is a hands-on engineering role focused on ownership, technical execution, problem-solving, and mission success.

Requirements

Bachelor's, Master's, or Ph.D. degree in Aerospace Engineering, Mechanical Engineering, or a related engineering discipline
3+ years of relevant engineering experience developing propulsion systems and components
Experience designing, analyzing, fabricating, testing, and integrating propellant tanks, pumps, or spacecraft propulsion systems
Demonstrated ability to independently drive technical work from concept through implementation, including collaboration with engineers, technicians, and other stakeholders

Nice To Haves

1+ years leading significant engineering tasks to deliver propellant tanks, pumps, or spacecraft propulsion systems
Experience performing computational fluid dynamics (CFD) or finite element analysis (FEA)
Experience performing performance analysis of pump-fed spacecraft propulsion systems
Experience designing and analyzing propellant management devices (PMDs)
Experience performing laser or friction stir welding
Experience machining aerospace-grade components using CNC equipment
Experience testing pumps with propellants such as hydrazine and MON-3
Experience designing gear pumps
Experience designing pump motors
Experience working in a fast-paced aerospace or startup environment
Experience applying AI-enabled engineering tools

Responsibilities

Contribute to the development of propellant tanks, pumps, or novel spacecraft propulsion systems
Own tasks across design, analysis, manufacturing, testing, qualification, integration, and flight operations
Contribute to multidisciplinary engineering teams to deliver products on schedule and within budget
Contribute to architecture decisions and propulsion trade studies
Support organizational development of propulsion engineering standards and best practices
Lead investigations and resolution of critical technical issues