Posted on:August 19, 2026

Senior Mechanical Engineer at Cosmic Robotics

Cosmic Robotics is hiring a Senior Mechanical Engineer in San Francisco, CA, US. On-site.

About Cosmic Robotics

Cosmic Robotics develops autonomous construction robotics for Earth and space, focusing initially on building solar and data centers. Its first system, Cosmic-1, is designed to install solar panels 10 times faster than current methods, with the long-term goal of enabling autonomous construction for a city on Mars.

Senior Mechanical Engineer 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 now

Applications go straight to Cosmic Robotics. We never sit between you and the employer.

Apply now ↗
Get new startup jobs by email
Pick what you want to hear about. The first email confirms your alert, then we only write when something new matches. You can unsubscribe from any email.
1 of 15 categories
How often

Similar engineering jobs

All engineering jobs →