Mechanical Systems Design Engineer

ABOUT US:Astro Mechanica is a vertically integrated aerospace company developing a scalable technology platform to power critical infrastructure, mission operations, and the future of flight. We apply aerospace engineering and quality standards across our products, delivering high performance, reliability, and efficiency for the most demanding operating environments. Astro Mechanica is backed by leading venture and strategic investors, including Andreessen Horowitz (a16z), Giant Step Capital, United Airlines Ventures, and Voyager Ventures.WHO WE ARE:We’re a team of passionate engineers dedicated to advancing aerospace. We’re generalists with specialist depth, united by a flat structure and a shared obsession with building things that work well. We move fast, stay pragmatic, and let engineering excellence speak louder than hierarchy.WHO YOU ARE:Astro Mechanica is seeking an experienced Mechanical Systems Design Engineer to join our growing team. The ideal candidate is someone who can take full ownership of hardware design from concept to production and has a deep understanding of their impact on surrounding systems. Technical challenges are resolved from first principles. Your work at Astro Mechanica will have a direct impact on the configuration and performance of the Astro Mechanica demonstrator aircraft.In this role, your mission will be to shepherd novel airframe integration and component hardware from whiteboard design through analysis, qualification, vehicle integration, and aircraft flight.WHAT YOU’LL DO:Perform trade studies and first-order analyses to inform component design and system architecture decisionsComplete detailed component designs and drawings. Validate your designs with structural, thermal, and/or fluid analysesCollaborate closely with propulsion, structures, avionics, controls, and manufacturing teams to ensure seamless component and system integrationWork with suppliers to specify, select, and qualify off-the-shelf and/or custom componentsDevelop and conduct hardware test plans and analyze data to verify requirements and performance metrics meet design intentProvide hands-on support during prototyping, vehicle builds, ground testing, and flight test campaignsParticipate in technical reviews, generate clear documentation, and contribute to safety and hazard analysesWHAT WE’RE LOOKING FOR:Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field2–5+ years of experience designing, integrating, or testing fluid or mechanical systems Strong knowledge of manufacturing processes, precision measurement and GD&TProficiency in 3D CAD tools (NX, CATIA V5, SolidWorks, or similar) for routing, packaging, and component designSolid understanding of mechanical system, fluid mechanics, and heat transfer fundamentals and analysis methodsHands-on experience with hardware— fabrication, assembly, or testingTakes initiative for continuous improvement (not just completing assigned tasks)Comfortable operating in a fast-moving, evolving development environmentPERKS & BENEFITS:Comprehensive medical, dental, and vision insurance, including Flexible Spending Accounts (FSA)401(k) program and transparent stock option planSelf-managed and flexible time-off policy, including PTO, paid holidays, and sick timeFlexible work environmentADDITIONAL INFORMATION:At Astro Mechanica, we highly value in-office work to foster collaboration and strengthen our company culture. We consider working in the office five days a week an essential part of the employee's role.Astro Mechanica is an equal opportunity employer. We proudly recruit and hire a diverse workforce and are committed to creating an inclusive environment for all employees.