Senior Mechanical Engineer Jobs in San Francisco, California

19 open Senior Mechanical Engineer jobs in San Francisco, California at 12 companies, including DoorDash, Midjourney and Astranis. Updated daily from company career pages.

DoorDash

DoorDash is a food delivery platform that connects customers with local and national business.

Midjourney

Midjourney is a non-profit research lab that is investigating new thought mediums to improve the human species' inventive abilities.

Astranis

Astranis is a space startup that builds small and low-cost telecommunications satellites to provide internet access in remote regions.

OpenAI

OpenAI is an AI research and deployment company that conducts research and implements machine learning.

Axon

Axon provides electronic control devices to law enforcement and corrections agencies.

Eight Sleep

Eight Sleep develops sleep fitness products that feature hydro-powered cooling technology and a health tracker.

Sofar Ocean

Sofar Ocean is a build accessible ocean sensing and exploration tools for ocean enthusiasts, industry, and conservation.

Nimble Robotics

Nimble Robotics reimagines fulfillment with intelligent robots that can pick and pack anything.

Cyvl.ai

Cyvl develops an infrastructure technology platform that enables civil engineers and governments to manage physical infrastructure assets.

Treeswift

Treeswift utilizes robotic and machine learning technology to build forestry tools.

Remedy Robotics

Building technology to save lives

Pivot Robotics

AI for Robot Arms in Factories

Updated 2026-10-11.