The Opportunity
Mechanical Engineers at Astra design, analyze, build, and qualify hardware end-to-end — from clean-sheet concept through flight. Depending on your team and level, you may work on spacecraft propulsion components, launch vehicle structures, ground support equipment, fluid systems, or test infrastructure. Across all of these, the expectation is the same: be a hands-on contributor who takes accountability for the full lifecycle of what you build.
You will work on an interdisciplinary team alongside systems, propulsion, electrical, controls, and software engineers to bring complex hardware to life. You'll operate in a fast-paced, self-driven environment where the pace of iteration is rapid and the stakes are real.
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How You'll Fulfill Your Mission
- Design, analyze, and qualify rocket components/hardware — including structural assemblies, fluid system components (manifolds, valves, tanks, tubing, quick-disconnects), mechanisms, and ground support equipment/structures.
- Generate 3D models, fully dimensioned drawings, and interface control documents per ASME Y14.5 GD&T standards using Siemens NX (or equivalent CAD)
- Perform structural, thermal, and tolerance analyses using FEA tools (NASTRAN/NX Simcenter, Ansys) and hand calculations to validate design robustness
- Support prototype builds, qualification campaigns, and acceptance testing; work directly with technicians to debug and iterate hardware
- Develop and execute test plans for component- and system-level qualification; interpret results and drive design changes
- Collaborate with cross-functional stakeholders through design reviews (PDR/CDR/TRR), and maintain complete engineering documentation (Tech Data Packages, compliance plans, FMEAs)
- Identify and apply the right manufacturing process - machining, welding, brazing, forming, heat treating - for each design
- Contribute to continuous improvement of team processes, tooling, and analytical capabilities
Why We Value You
Required Qualifications (All Levels)
- B.S. in Mechanical Engineering, Aerospace Engineering, or a closely related discipline
- Proficiency in 3D CAD (Siemens NX strongly preferred; SolidWorks or CATIA considered)
- Working knowledge of GD&T per ASME Y14.5
- Familiarity with common structural and fluid components and instrumentation
- Strong communication skills - written and verbal - and the ability to work effectively in a cross-functional team
- Comfortable getting hands dirty: working directly with hardware, running tests, and troubleshooting on the floor
- Levels & Expectations
Engineer I / New Grad
- B.S. in Mechanical Engineering, Aerospace Engineering, or related field (or equivalent internship/project experience)
- Foundational proficiency in CAD and GD&T; coursework or project experience in FEA, fluid mechanics, and structural analysis
- Hands-on experience through internships, capstone projects, lab work, or personal hardware builds
- Eager to learn, strong attention to detail, and comfortable asking questions and taking direction
- Works under the guidance of senior engineers; begins to own discrete sub-components or test tasks
Engineer II / Mid-Level (2-4 years)
- All of the above, plus demonstrated professional experience taking hardware from design to test
- Can own a component or subsystem with limited supervision
- Beginning to develop proficiency in analysis tools (FEA, CFD, or thermal simulation)
- Proactively identifies technical risks and surfaces them early