Senior Mechanical Engineer
cosmic-robotics
Cosmic HQ · San Francisco · United States
Posted Aug 19, 2026
- Full-time
- On-site
- Engineering
cosmic-robotics
Cosmic HQ · San Francisco · United States
Posted Aug 19, 2026
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