# Senior Mechanical Engineer - Company: [Cosmic Robotics]() - Location: Cosmic HQ - Team: Engineering - Employment type: Full Time - Posted: August 19, 2026 ## Job description **Senior Mechanical Engineer** Location: San Francisco, CA (full time, in-person) **Company Overview** Our mission is to **build a city on Mars and accelerate the construction of critical infrastructure on Earth**. Starting with Cosmic-1 – a system that installs solar panels 10x faster than today’s methods, helping us transition to a clean energy future and laying the groundwork for the future of autonomous construction. **The Role** As a Senior Mechanical Engineer, you will own a critical Cosmic-1 subsystem and lead development from concept to deployment. As a core member of the team, you will help define the era of autonomous construction. This is a rare opportunity to: * Work on hard, meaningful problems that impact the future of infrastructure and energy. * Collaborate with a world-class team from NASA, SpaceX, Tesla, Google, Built Robotics, and others. * Rapidly grow, learn, and lead within a quickly scaling company. **Responsibilities** * Own hardware components and systems such as primary and secondary structures, mechanisms, and enclosures * Full product lifecycle ownership from requirements collection, trade studies, preliminary and detailed design, structural analysis, and overseeing manufacturing, integration, testing, and customer delivery * Work with manufacturing, electrical, software, and product engineers to develop innovative new solutions to complex interdisciplinary problems * Work with vendors and suppliers to find creative solutions to tight deadlines * Set milestones, plan roadmaps, and deliver on ambitious timelines * Recruit, mentor, and build a world-class engineering organization **Requirements** * 3+ years of professional engineering experience * Excellent first-principles understanding of statics, dynamics, heat transfer, materials, and corrosion * Expert mechanical design skills using CAD software such as Solidworks, NX, PTC Creo, etc. and FEA analysis with ANSYS * Strong understanding of designing for manufacturing processes such as CNC milling/lathing, sheet metal bending, welding, and 3D printing * Excellent communication and project management skills * Thrive in fast-paced environments and push boundaries to meet deadlines **Bonus** * 5+ years of professional engineering experience in mechanical design * Experience designing or developing high volume large form factor products like automobiles and construction equipment * Experience in mechanical design of ultrahigh reliability products like spacecraft and medical devices * Management and recruiting experience ## Apply [Apply on Cosmic Robotics]() Canonical job page: