Principal Engineer, Propulsion
Company: Quantum Space
Location: Rockville
Posted on: February 18, 2026
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Job Description:
Job Description Job Description Salary: $170,000 to $220,000 Who
Were Looking For 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 a Principal Propulsion Engineer to
lead the design and delivery of innovative propulsion subsystems
and components. This position offers the opportunity to work
hands-on with groundbreaking technologies; from concept to
development to on-orbit operations. Where Youll Make an Impact Lead
in-space propulsion subsystem and component development across the
entire lifecycle, from initial design and analysis to build, test,
and flight operations. Build high-functioning teams. Collaborate
with a high-performing, cross-disciplinary team in a fast-paced,
mission-driven environment. Apply creativity and engineering rigor
to solve complex propulsion challenges and deliver on stakeholder
requirements. What It Takes Bachelors, Masters, or Ph.D. in
Aerospace or Mechanical Engineering. 10 years of experience in the
design, analysis, build, test, and operation of space propulsion
systems, including: Leading a team from design to delivery of
in-space propulsion system. Ownership of schedules and budgets.
Ability to communicate across engineering disciplines and with
project management. Familiarity with the test, integration, and
operation of propulsion components for space vehicles (e.g., tanks,
valves, filters, pressure transducers, pumps, thrusters/engines).
Strong leadership skills, with an emphasis on building
high-functioning teams. Familiarity with engineering analysis
tools. Adaptability in an evolving environment. Strong commitment
to continuous learning and mentoring. Nice-to-Have Experience
Experience innovating in a fast paced start-up culture. Advanced
propulsion analysis expertise using tools such as MATLAB/Simulink,
CFD, FEA, Surface Evolver, and GFSSP. Experience with CAD tools.
Strong background in risk management. Programming skills in Java,
Python, Julia, and/or C++. Familiarity with 5S (6S) and Lean Six
Sigma. What Youll Get Leadership Opportunities to lead teams and
drive mission objectives. Innovation A chance to set propulsion
standards and develop test strategies for next-generation
spacecraft. Impact See your work fly on unique, high-profile
missions. Growth A technical leadership path in a fast-growing
space company with bold ambitions. Compensation Competitive salary,
equity, and top-tier benefits, including medical, dental, vision,
generous leave, HSA, 401(k) matching, and equity sharing Additional
Requirements To comply with U.S. Government space technology export
regulations, including ITAR, applicants must be a U.S. citizen,
lawful permanent resident, protected individual per 8 U.S.C.
1324b(a)(3), or eligible to obtain the required authorizations from
the U.S. Department of State. Apply now. Join us in building the
next generation of spacecraft.
Keywords: Quantum Space, Burke , Principal Engineer, Propulsion, Engineering , Rockville, Virginia
