Mechanical Engineer Jobs in San Francisco, California

52 open Mechanical Engineer jobs in San Francisco, California at 21 companies, including DoorDash, Midjourney and IonQ. 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.

IonQ

IONQ develops general-purpose quantum information processors to solve the world’s complex problems.

Physical Intelligence

Astranis

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

10 more open roles at Astranis

OpenAI

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

1 more open roles at OpenAI

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

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.

Redwood Materials

Redwood Materials is a battery recycling startup that makes electric vehicles and sustainable materials for circular supply chains.

Nimble Robotics

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

Mach Industries

Mach Industries provides defence systems technology that creates a hardware solution using field-sourced hydrogen creation and techniques.

Sesame AI

Sesame AI is a technology company developing software and hardware products.

Cyvl.ai

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

Rebuild

Rebuild is an industrial manufacturing group that integrates new technologies to accelerate its growth and improve performance.

KoBold Metals

KoBold Metals is a developer of machine prospector technology that facilitates a search for cobalt ore locations digitally.

Treeswift

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

Eliyan

Eliyan manufactures semiconductor interconnects to accelerate chiplet-based systems.

Remedy Robotics

Building technology to save lives

Updated 2026-10-11.