[Job Radar](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Fabrication Specialist Active On-site San Francisco, California, United States Posted · 25.08.2026 Ashby (US) # Fabrication Specialist Astro Mechanica 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: We're looking for a skilled Fabrication Specialist to join our team working on engine component fabrication and prototyping. In this role, you'll perform precision welding using TIG as the primary method, along with MIG and laser welding as needed. You'll work across a range of materials including steel, stainless, and aluminum as well as more exotic alloys. This position also involves basic manual machining skills to support fabrication and prototyping work. This is a hands-on role suited for someone who takes pride in clean, precise welds and enjoys solving fabrication challenges on complex, high-performance components. WHAT YOU’LL DO: • Fabricate aviation engine components and assemblies for use in prototyping and testing of our novel aircraft • Partner with design and test teams to ensure that created hardware meets specifications • Provide feedback to engineering about the feasibility of their designs, giving proper 'design for manufacturing' input to them • Perform precision welding using TIG, MIG, and laser welding as needed WHAT WE’RE LOOKING FOR: • Proficiency in TIG welding (primary method); experience with MIG and laser welding a plus • Experience welding steel, stainless steel, and aluminum • Preferred experience with Hastelloy, Inconel, or other exotic materials • Basic manual machining skills, including ability to operate a lathe and mill • Experience shaping and welding thin sheet metal (.063" and under) is preferred • Experience welding thick and thin plumbing fittings • Strong attention to detail PERKS & BENEFITS: • Comprehensive medical, dental, and vision insurance, including Flexible Spending Accounts (FSA) • 401(k) program and transparent stock option plan • Self-managed and flexible time-off policy, including PTO, paid holidays, and sick time • Flexible work environment ADDITIONAL 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. This job was verified from Ashby (US). Applications are completed on the original source. [Apply on the original listing ↗](https://jobradar.live/ilan/838c7eef-5e18-497b-a140-8f6e05cbe5de/git) ## Stop searching one by one for roles like this. Upload your resume or enter your target roles to see your first 3 matches for free. [Find jobs for me →](https://jobradar.live/uye/kayit) Your resume is never shared with employers; it is processed only for matching. 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