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Mechanical Engineer, Fluid Systems

Astro Mechanica · San Francisco · On-site

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About Astro Mechanica

We're reinventing aircraft from the engine forward. Backed by Y Combinator and a16z.

About the role

Own the full lifecycle of one or more vehicle fluid systems, such as fuel, hydraulics, pneumatics, lubrication, or thermal management Perform trade studies and first-order analyses (pressure drop, flow sizing, transient behavior, failure modes) to inform design and system architecture decisions Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Bachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
  • 2–5+ years of experience designing, integrating, or testing fluid or mechanical systems (internships and student projects count)
  • Strong understanding of fluid mechanics, thermodynamics, and mechanical system fundamentals
  • Experience with system-level thinking: requirements flow-down, interfaces, failure modes, and operational considerations
  • Proficiency in 3D CAD tools (NX, CATIA V5, SolidWorks, or similar) for routing, packaging, and component design
  • Hands-on experience with hardware—plumbing, assembly, instrumentation, or testing
More about this role

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.

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.

Astro Mechanica is seeking a Mechanical Systems Engineer (Fluid Systems) to own the design, integration, and maturation of critical vehicle fluid systems. The ideal candidate is a hands-on engineer with a passion for owning complex systems from the ground up. You thrive in fast-paced development environments, are comfortable making informed tradeoffs, and take pride in...

Read the full posting on Astro Mechanica's site ↗

Airframe

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