Mechanical Engineer III - Spacecraft Programs Rockville, MD

Mechanical Engineer III - Spacecraft Programs Who We’re Looking For Quantum Space is seeking a Senior Mechanical Engineer to own flight hardware development on our Spacecraft Programs. This role is built for an engineer who can take a subsystem/component from requirements to a released design, through build, integration, and test—while collaborating tightly with AIT and manufacturing. Senior‑level expectations include independent ownership of deliverables and leadership of technical execution for meaningful scopes. Where You’ll Make an Impact Own mechanical components/subsystems end-to-end: requirements, design, analysis coordination, release, and integration support Develop CAD and drawings in Creo; apply GD&T and define inspectable requirements Drive interface closure: envelope/keep‑outs, fastener patterns, datums, alignment needs, harness/thermal accommodations Support spacecraft build and integration: issue triage, rapid root‑cause collaboration, and corrective design updates Develop and execute verification plans: functional checks, fit checks, environmental test prep support, and acceptance/qualification evidence generation Support design reviews (PDR/CDR), test readiness reviews, and configuration boards with clear technical content Coordinate with suppliers and procurement: clarify requirements, review vendor designs, and support receiving/inspection disposition What It Takes BS or MS in Mechanical Engineering or related field 7+ years relevant experience with aerospace/space hardware development Proficiency in Creo; working knowledge of Windchill or similar PLM Strong GD&T fundamentals (ASME Y14.5) and drawing package quality discipline Experience supporting hardware through build/test cycles, not just design‑in‑a‑vacuum Work location within the DMV area Nice‑to‑Have Experience Experience writing or reviewing work instructions / build travelers Familiarity with environmental testing and test readiness processes What You’ll Get Ownership– Real flight hardware responsibility Impact– Direct contribution to mission success Growth– Path to subsystem leadership and principal ownership Compensation–Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity participation. Compensation $145,000 to $195,000 Annual Salary 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. EEO Statement As set forth in Quantum Space’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law. #J-18808-Ljbffr Quantum Space, LLC